10-K Filing

ONEOK INC /NEW/ CIK: 1039684 FY 2024

Filing Information

Form Type	10-K
Accession Number	`0001039684-25-000036`
Period End Date	20241231
Filing Date	20250225
Fiscal Year	2024
Fiscal Period	FY
XBRL Instance	oke-20241231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 184 Income Statement 138 Cash Flow Statement 222 Stockholders Equity 98 Comprehensive Income 66

Balance Sheet 184 line items

Line Item	Tag	Value	Unit	Period
Preferred stock, shares, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, shares, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, shares, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, shares, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, shares, authorized (in shares)	`PreferredStockSharesAuthorized`	20,000.00	shares	Point-in-time
Preferred stock, shares, authorized (in shares)	`PreferredStockSharesAuthorized`	20,000.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$733.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$733.00M	USD	Point-in-time
Preferred stock, shares, authorized (in shares)	`PreferredStockSharesAuthorized`	20,000.00	shares	Point-in-time
Preferred stock, shares, authorized (in shares)	`PreferredStockSharesAuthorized`	20,000.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$338.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$338.00M	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$1.71B	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$1.71B	USD	Point-in-time
Preferred stock, shares, issued (in shares)	`PreferredStockSharesIssued`	20,000.00	shares	Point-in-time
Preferred stock, shares, issued (in shares)	`PreferredStockSharesIssued`	20,000.00	shares	Point-in-time
Preferred stock, shares, issued (in shares)	`PreferredStockSharesIssued`	20,000.00	shares	Point-in-time
Preferred stock, shares, issued (in shares)	`PreferredStockSharesIssued`	20,000.00	shares	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$2.33B	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$2.33B	USD	Point-in-time
Common stock, shares, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Inventories	`InventoryNet`	$639.00M	USD	Point-in-time
Inventories	`InventoryNet`	$639.00M	USD	Point-in-time
Inventories	`InventoryNet`	$748.00M	USD	Point-in-time
Inventories	`InventoryNet`	$748.00M	USD	Point-in-time
Common stock, shares, authorized (in shares)	`CommonStockSharesAuthorized`	1.20B	shares	Point-in-time
Common stock, shares, authorized (in shares)	`CommonStockSharesAuthorized`	1.20B	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$426.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$426.00M	USD	Point-in-time
Common stock, shares, authorized (in shares)	`CommonStockSharesAuthorized`	1.20B	shares	Point-in-time
Common stock, shares, authorized (in shares)	`CommonStockSharesAuthorized`	1.20B	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$431.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$431.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$3.11B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$3.11B	USD	Point-in-time
Common stock, shares, issued (in shares)	`CommonStockSharesIssued`	609.71M	shares	Point-in-time
Common stock, shares, issued (in shares)	`CommonStockSharesIssued`	609.71M	shares	Point-in-time
Common stock, shares, issued (in shares)	`CommonStockSharesIssued`	609.71M	shares	Point-in-time
Common stock, shares, issued (in shares)	`CommonStockSharesIssued`	609.71M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$4.24B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$4.24B	USD	Point-in-time
Common stock, shares, outstanding (in shares)	`CommonStockSharesOutstanding`	583.09M	shares	Point-in-time
Common stock, shares, outstanding (in shares)	`CommonStockSharesOutstanding`	583.09M	shares	Point-in-time
Common stock, shares, outstanding (in shares)	`CommonStockSharesOutstanding`	583.11M	shares	Point-in-time
Common stock, shares, outstanding (in shares)	`CommonStockSharesOutstanding`	583.11M	shares	Point-in-time
Treasury stock, shares, (in shares)	`TreasuryStockCommonShares`	26.62M	shares	Point-in-time
Treasury stock, shares, (in shares)	`TreasuryStockCommonShares`	26.62M	shares	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$52.27B	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$52.27B	USD	Point-in-time
Treasury stock, shares, (in shares)	`TreasuryStockCommonShares`	26.60M	shares	Point-in-time
Treasury stock, shares, (in shares)	`TreasuryStockCommonShares`	26.60M	shares	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$38.45B	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$38.45B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$5.76B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$5.76B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$6.34B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$6.34B	USD	Point-in-time
Net property, plant and equipment (Note F)	`PropertyPlantAndEquipmentNet`	$45.94B	USD	Point-in-time
Net property, plant and equipment (Note F)	`PropertyPlantAndEquipmentNet`	$45.94B	USD	Point-in-time
Net property, plant and equipment (Note F)	`PropertyPlantAndEquipmentNet`	$32.70B	USD	Point-in-time
Net property, plant and equipment (Note F)	`PropertyPlantAndEquipmentNet`	$32.70B	USD	Point-in-time
Investments in unconsolidated affiliates (Note O)	`EquityMethodInvestments`	$1.87B	USD	Point-in-time
Investments in unconsolidated affiliates (Note O)	`EquityMethodInvestments`	$1.87B	USD	Point-in-time
Investments in unconsolidated affiliates (Note O)	`EquityMethodInvestments`	$2.32B	USD	Point-in-time
Investments in unconsolidated affiliates (Note O)	`EquityMethodInvestments`	$2.32B	USD	Point-in-time
Investments in unconsolidated affiliates (Note O)	`EquityMethodInvestments`	$802.00M	USD	Point-in-time
Investments in unconsolidated affiliates (Note O)	`EquityMethodInvestments`	$802.00M	USD	Point-in-time
Goodwill (Note G)	`Goodwill`	$4.95B	USD	Point-in-time
Goodwill (Note G)	`Goodwill`	$4.95B	USD	Point-in-time
Goodwill (Note G)	`Goodwill`	$8.09B	USD	Point-in-time
Goodwill (Note G)	`Goodwill`	$8.09B	USD	Point-in-time
Intangible assets, net (Note G)	`IntangibleAssetsNetExcludingGoodwill`	$3.04B	USD	Point-in-time
Intangible assets, net (Note G)	`IntangibleAssetsNetExcludingGoodwill`	$3.04B	USD	Point-in-time
Intangible assets, net (Note G)	`IntangibleAssetsNetExcludingGoodwill`	$1.32B	USD	Point-in-time
Intangible assets, net (Note G)	`IntangibleAssetsNetExcludingGoodwill`	$1.32B	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$450.00M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$450.00M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$319.00M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$319.00M	USD	Point-in-time
Total other assets	`InvestmentsAndOtherNoncurrentAssets`	$13.90B	USD	Point-in-time
Total other assets	`InvestmentsAndOtherNoncurrentAssets`	$13.90B	USD	Point-in-time
Total other assets	`InvestmentsAndOtherNoncurrentAssets`	$8.46B	USD	Point-in-time
Total other assets	`InvestmentsAndOtherNoncurrentAssets`	$8.46B	USD	Point-in-time
Total assets	`Assets`	$64.07B	USD	Point-in-time
Total assets	`Assets`	$64.07B	USD	Point-in-time
Total assets	`Assets`	$44.27B	USD	Point-in-time
Total assets	`Assets`	$44.27B	USD	Point-in-time
Total assets	`Assets`	$24.38B	USD	Point-in-time
Total assets	`Assets`	$24.38B	USD	Point-in-time
Current maturities of long-term debt (Note H)	`LongTermDebtCurrent`	$1.06B	USD	Point-in-time
Current maturities of long-term debt (Note H)	`LongTermDebtCurrent`	$1.06B	USD	Point-in-time
Current maturities of long-term debt (Note H)	`LongTermDebtCurrent`	$484.00M	USD	Point-in-time
Current maturities of long-term debt (Note H)	`LongTermDebtCurrent`	$484.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$2.19B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$2.19B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$1.56B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$1.56B	USD	Point-in-time
Commodity imbalances	`CommodityExchangesAndImbalancesLiabilitiesCurrent`	$260.00M	USD	Point-in-time
Commodity imbalances	`CommodityExchangesAndImbalancesLiabilitiesCurrent`	$260.00M	USD	Point-in-time
Commodity imbalances	`CommodityExchangesAndImbalancesLiabilitiesCurrent`	$244.00M	USD	Point-in-time
Commodity imbalances	`CommodityExchangesAndImbalancesLiabilitiesCurrent`	$244.00M	USD	Point-in-time
Accrued taxes	`AccruedIncomeTaxes`	$215.00M	USD	Point-in-time
Accrued taxes	`AccruedIncomeTaxes`	$215.00M	USD	Point-in-time
Accrued taxes	`AccruedIncomeTaxes`	$221.00M	USD	Point-in-time
Accrued taxes	`AccruedIncomeTaxes`	$221.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$381.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$381.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$511.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$511.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$564.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$564.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$481.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$481.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$4.72B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$4.72B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$3.45B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$3.45B	USD	Point-in-time
Long-term debt, excluding current maturities (Note H)	`LongTermDebtNoncurrent`	$21.18B	USD	Point-in-time
Long-term debt, excluding current maturities (Note H)	`LongTermDebtNoncurrent`	$21.18B	USD	Point-in-time
Long-term debt, excluding current maturities (Note H)	`LongTermDebtNoncurrent`	$31.02B	USD	Point-in-time
Long-term debt, excluding current maturities (Note H)	`LongTermDebtNoncurrent`	$31.02B	USD	Point-in-time
Deferred income taxes (Note N)	`DeferredIncomeTaxLiabilitiesNet`	$2.59B	USD	Point-in-time
Deferred income taxes (Note N)	`DeferredIncomeTaxLiabilitiesNet`	$2.59B	USD	Point-in-time
Deferred income taxes (Note N)	`DeferredIncomeTaxLiabilitiesNet`	$5.45B	USD	Point-in-time
Deferred income taxes (Note N)	`DeferredIncomeTaxLiabilitiesNet`	$5.45B	USD	Point-in-time
Other deferred credits	`OtherLiabilitiesNoncurrent`	$748.00M	USD	Point-in-time
Other deferred credits	`OtherLiabilitiesNoncurrent`	$748.00M	USD	Point-in-time
Other deferred credits	`OtherLiabilitiesNoncurrent`	$553.00M	USD	Point-in-time
Other deferred credits	`OtherLiabilitiesNoncurrent`	$553.00M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$3.15B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$3.15B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$6.20B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$6.20B	USD	Point-in-time
Commitments and contingencies (Note P)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note P)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note P)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note P)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, $0.01 par value:authorized and issued 20,000 shares at Dec. 31, 2024, and at Dec. 31, 2023	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.01 par value:authorized and issued 20,000 shares at Dec. 31, 2024, and at Dec. 31, 2023	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.01 par value:authorized and issued 20,000 shares at Dec. 31, 2024, and at Dec. 31, 2023	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.01 par value:authorized and issued 20,000 shares at Dec. 31, 2024, and at Dec. 31, 2023	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $0.01 par value:authorized 1,200,000,000 shares; issued 609,713,834 shares and outstanding 583,110,633 shares at Dec. 31, 2024; issued 609,713,834 shares and outstanding 583,093,100 shares at Dec. 31, 2023	`CommonStockValue`	$6.00M	USD	Point-in-time
Common stock, $0.01 par value:authorized 1,200,000,000 shares; issued 609,713,834 shares and outstanding 583,110,633 shares at Dec. 31, 2024; issued 609,713,834 shares and outstanding 583,093,100 shares at Dec. 31, 2023	`CommonStockValue`	$6.00M	USD	Point-in-time
Common stock, $0.01 par value:authorized 1,200,000,000 shares; issued 609,713,834 shares and outstanding 583,110,633 shares at Dec. 31, 2024; issued 609,713,834 shares and outstanding 583,093,100 shares at Dec. 31, 2023	`CommonStockValue`	$6.00M	USD	Point-in-time
Common stock, $0.01 par value:authorized 1,200,000,000 shares; issued 609,713,834 shares and outstanding 583,110,633 shares at Dec. 31, 2024; issued 609,713,834 shares and outstanding 583,093,100 shares at Dec. 31, 2023	`CommonStockValue`	$6.00M	USD	Point-in-time
Paid-in capital	`AdditionalPaidInCapital`	$16.35B	USD	Point-in-time
Paid-in capital	`AdditionalPaidInCapital`	$16.35B	USD	Point-in-time
Paid-in capital	`AdditionalPaidInCapital`	$16.32B	USD	Point-in-time
Paid-in capital	`AdditionalPaidInCapital`	$16.32B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-33.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-33.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-96.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-96.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.58B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.58B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$868.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$868.00M	USD	Point-in-time
Treasury stock, at cost: 26,603,201 shares at Dec. 31, 2024, and 26,620,734 shares at Dec. 31, 2023	`TreasuryStockValue`	$807.00M	USD	Point-in-time
Treasury stock, at cost: 26,603,201 shares at Dec. 31, 2024, and 26,620,734 shares at Dec. 31, 2023	`TreasuryStockValue`	$807.00M	USD	Point-in-time
Treasury stock, at cost: 26,603,201 shares at Dec. 31, 2024, and 26,620,734 shares at Dec. 31, 2023	`TreasuryStockValue`	$677.00M	USD	Point-in-time
Treasury stock, at cost: 26,603,201 shares at Dec. 31, 2024, and 26,620,734 shares at Dec. 31, 2023	`TreasuryStockValue`	$677.00M	USD	Point-in-time
Total ONEOK shareholders equity	`StockholdersEquity`	$16.48B	USD	Point-in-time
Total ONEOK shareholders equity	`StockholdersEquity`	$16.48B	USD	Point-in-time
Total ONEOK shareholders equity	`StockholdersEquity`	$17.04B	USD	Point-in-time
Total ONEOK shareholders equity	`StockholdersEquity`	$17.04B	USD	Point-in-time
Noncontrolling interests in consolidated subsidiaries	`MinorityInterest`	$5.10B	USD	Point-in-time
Noncontrolling interests in consolidated subsidiaries	`MinorityInterest`	$5.10B	USD	Point-in-time
Noncontrolling interests in consolidated subsidiaries	`MinorityInterest`	-	USD	Point-in-time
Noncontrolling interests in consolidated subsidiaries	`MinorityInterest`	-	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.13B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.13B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.02B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.02B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.48B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.48B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.49B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.49B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$44.27B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$44.27B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$64.07B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$64.07B	USD	Point-in-time

Income Statement 138 line items

Line Item	Tag	Value	Unit	Period
Interest expense (net of capitalized interest)	`InterestCostsCapitalized`	$43.00M	USD	Annual
Interest expense (net of capitalized interest)	`InterestCostsCapitalized`	$43.00M	USD	Annual
Interest expense (net of capitalized interest)	`InterestCostsCapitalized`	$62.00M	USD	Annual
Interest expense (net of capitalized interest)	`InterestCostsCapitalized`	$62.00M	USD	Annual
Interest expense (net of capitalized interest)	`InterestCostsCapitalized`	$57.00M	USD	Annual
Interest expense (net of capitalized interest)	`InterestCostsCapitalized`	$57.00M	USD	Annual
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$21.70B	USD	Annual
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$21.70B	USD	Annual
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$17.68B	USD	Annual
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$17.68B	USD	Annual
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$22.39B	USD	Annual
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$22.39B	USD	Annual
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$13.31B	USD	Annual
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$13.31B	USD	Annual
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$17.91B	USD	Annual
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$17.91B	USD	Annual
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$11.93B	USD	Annual
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$11.93B	USD	Annual
Operations and maintenance	`OtherCostAndExpenseOperating`	$958.00M	USD	Annual
Operations and maintenance	`OtherCostAndExpenseOperating`	$958.00M	USD	Annual
Operations and maintenance	`OtherCostAndExpenseOperating`	$2.16B	USD	Annual
Operations and maintenance	`OtherCostAndExpenseOperating`	$2.16B	USD	Annual
Operations and maintenance	`OtherCostAndExpenseOperating`	$1.32B	USD	Annual
Operations and maintenance	`OtherCostAndExpenseOperating`	$1.32B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$626.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$626.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$769.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$769.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.13B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.13B	USD	Annual
General taxes	`TaxesOther`	$191.00M	USD	Annual
General taxes	`TaxesOther`	$191.00M	USD	Annual
General taxes	`TaxesOther`	$216.00M	USD	Annual
General taxes	`TaxesOther`	$216.00M	USD	Annual
General taxes	`TaxesOther`	$334.00M	USD	Annual
General taxes	`TaxesOther`	$334.00M	USD	Annual
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	-	USD	Annual
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	-	USD	Annual
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	$73.00M	USD	Annual
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	$73.00M	USD	Annual
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	$158.00M	USD	Annual
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	$158.00M	USD	Annual
Other operating income, net (Notes B and C)	`OtherOperatingIncomeExpenseNet`	$786.00M	USD	Annual
Other operating income, net (Notes B and C)	`OtherOperatingIncomeExpenseNet`	$786.00M	USD	Annual
Other operating income, net (Notes B and C)	`OtherOperatingIncomeExpenseNet`	$105.00M	USD	Annual
Other operating income, net (Notes B and C)	`OtherOperatingIncomeExpenseNet`	$105.00M	USD	Annual
Other operating income, net (Notes B and C)	`OtherOperatingIncomeExpenseNet`	$305.00M	USD	Annual
Other operating income, net (Notes B and C)	`OtherOperatingIncomeExpenseNet`	$305.00M	USD	Annual
Operating income	`OperatingIncomeLoss`	$4.99B	USD	Annual
Operating income	`OperatingIncomeLoss`	$4.99B	USD	Annual
Operating income	`OperatingIncomeLoss`	$4.07B	USD	Annual
Operating income	`OperatingIncomeLoss`	$4.07B	USD	Annual
Operating income	`OperatingIncomeLoss`	$2.81B	USD	Annual
Operating income	`OperatingIncomeLoss`	$2.81B	USD	Annual
Equity in net earnings from investments	`IncomeLossFromEquityMethodInvestments`	$148.00M	USD	Annual
Equity in net earnings from investments	`IncomeLossFromEquityMethodInvestments`	$148.00M	USD	Annual
Equity in net earnings from investments	`IncomeLossFromEquityMethodInvestments`	$202.00M	USD	Annual
Equity in net earnings from investments	`IncomeLossFromEquityMethodInvestments`	$202.00M	USD	Annual
Equity in net earnings from investments	`IncomeLossFromEquityMethodInvestments`	$439.00M	USD	Annual
Equity in net earnings from investments	`IncomeLossFromEquityMethodInvestments`	$439.00M	USD	Annual
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$89.00M	USD	Annual
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$89.00M	USD	Annual
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$53.00M	USD	Annual
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$53.00M	USD	Annual
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-29.00M	USD	Annual
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-29.00M	USD	Annual
Interest expense (net of capitalized interest of $62, $43 and $57, respectively)	`InterestExpenseNonoperating`	$676.00M	USD	Annual
Interest expense (net of capitalized interest of $62, $43 and $57, respectively)	`InterestExpenseNonoperating`	$676.00M	USD	Annual
Interest expense (net of capitalized interest of $62, $43 and $57, respectively)	`InterestExpenseNonoperating`	$866.00M	USD	Annual
Interest expense (net of capitalized interest of $62, $43 and $57, respectively)	`InterestExpenseNonoperating`	$866.00M	USD	Annual
Interest expense (net of capitalized interest of $62, $43 and $57, respectively)	`InterestExpenseNonoperating`	$1.37B	USD	Annual
Interest expense (net of capitalized interest of $62, $43 and $57, respectively)	`InterestExpenseNonoperating`	$1.37B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.25B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.25B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$4.11B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$4.11B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$3.50B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$3.50B	USD	Annual
Income taxes (Note N)	`IncomeTaxExpenseBenefit`	$528.00M	USD	Annual
Income taxes (Note N)	`IncomeTaxExpenseBenefit`	$528.00M	USD	Annual
Income taxes (Note N)	`IncomeTaxExpenseBenefit`	$838.00M	USD	Annual
Income taxes (Note N)	`IncomeTaxExpenseBenefit`	$838.00M	USD	Annual
Income taxes (Note N)	`IncomeTaxExpenseBenefit`	$998.00M	USD	Annual
Income taxes (Note N)	`IncomeTaxExpenseBenefit`	$998.00M	USD	Annual
Net income	`ProfitLoss`	$3.11B	USD	Annual
Net income	`ProfitLoss`	$3.11B	USD	Annual
Net income	`ProfitLoss`	$1.72B	USD	Annual
Net income	`ProfitLoss`	$1.72B	USD	Annual
Net income	`ProfitLoss`	$2.66B	USD	Annual
Net income	`ProfitLoss`	$2.66B	USD	Annual
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$77.00M	USD	Annual
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$77.00M	USD	Annual
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Net income attributable to ONEOK	`NetIncomeLoss`	$3.04B	USD	Annual
Net income attributable to ONEOK	`NetIncomeLoss`	$3.04B	USD	Annual
Net income attributable to ONEOK	`NetIncomeLoss`	$1.72B	USD	Annual
Net income attributable to ONEOK	`NetIncomeLoss`	$1.72B	USD	Annual
Net income attributable to ONEOK	`NetIncomeLoss`	$2.66B	USD	Annual
Net income attributable to ONEOK	`NetIncomeLoss`	$2.66B	USD	Annual
Less: Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$1.00M	USD	Annual
Less: Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$1.00M	USD	Annual
Less: Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$1.00M	USD	Annual
Less: Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$1.00M	USD	Annual
Less: Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$1.00M	USD	Annual
Less: Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$1.00M	USD	Annual
Net income available to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$3.03B	USD	Annual
Net income available to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$3.03B	USD	Annual
Net income available to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.72B	USD	Annual
Net income available to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.72B	USD	Annual
Net income available to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.66B	USD	Annual
Net income available to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.66B	USD	Annual
Basic EPS (in dollars per share)	`EarningsPerShareBasic`	$3.85	USD	Annual
Basic EPS (in dollars per share)	`EarningsPerShareBasic`	$3.85	USD	Annual
Basic EPS (in dollars per share)	`EarningsPerShareBasic`	$5.49	USD	Annual
Basic EPS (in dollars per share)	`EarningsPerShareBasic`	$5.49	USD	Annual
Basic EPS (in dollars per share)	`EarningsPerShareBasic`	$5.19	USD	Annual
Basic EPS (in dollars per share)	`EarningsPerShareBasic`	$5.19	USD	Annual
Diluted EPS (in dollars per share)	`EarningsPerShareDiluted`	$5.17	USD	Annual
Diluted EPS (in dollars per share)	`EarningsPerShareDiluted`	$5.17	USD	Annual
Diluted EPS (in dollars per share)	`EarningsPerShareDiluted`	$3.84	USD	Annual
Diluted EPS (in dollars per share)	`EarningsPerShareDiluted`	$3.84	USD	Annual
Diluted EPS (in dollars per share)	`EarningsPerShareDiluted`	$5.48	USD	Annual
Diluted EPS (in dollars per share)	`EarningsPerShareDiluted`	$5.48	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	447.50M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	447.50M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	584.60M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	584.60M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	484.30M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	484.30M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	586.50M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	586.50M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	485.40M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	485.40M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	448.40M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	448.40M	shares	Annual

Cash Flow Statement 222 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$3.11B	USD	Annual
Net income	`ProfitLoss`	$3.11B	USD	Annual
Net income	`ProfitLoss`	$1.72B	USD	Annual
Net income	`ProfitLoss`	$1.72B	USD	Annual
Net income	`ProfitLoss`	$2.66B	USD	Annual
Net income	`ProfitLoss`	$2.66B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$626.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$626.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$769.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$769.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.13B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.13B	USD	Annual
Equity in net earnings from investments (Note O)	`IncomeLossFromEquityMethodInvestments`	$148.00M	USD	Annual
Equity in net earnings from investments (Note O)	`IncomeLossFromEquityMethodInvestments`	$148.00M	USD	Annual
Equity in net earnings from investments (Note O)	`IncomeLossFromEquityMethodInvestments`	$202.00M	USD	Annual
Equity in net earnings from investments (Note O)	`IncomeLossFromEquityMethodInvestments`	$202.00M	USD	Annual
Equity in net earnings from investments (Note O)	`IncomeLossFromEquityMethodInvestments`	$439.00M	USD	Annual
Equity in net earnings from investments (Note O)	`IncomeLossFromEquityMethodInvestments`	$439.00M	USD	Annual
Distributions received from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$202.00M	USD	Annual
Distributions received from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$202.00M	USD	Annual
Distributions received from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$147.00M	USD	Annual
Distributions received from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$147.00M	USD	Annual
Distributions received from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$390.00M	USD	Annual
Distributions received from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$390.00M	USD	Annual
Deferred income taxes (Note N)	`DeferredIncomeTaxExpenseBenefit`	$889.00M	USD	Annual
Deferred income taxes (Note N)	`DeferredIncomeTaxExpenseBenefit`	$889.00M	USD	Annual
Deferred income taxes (Note N)	`DeferredIncomeTaxExpenseBenefit`	$829.00M	USD	Annual
Deferred income taxes (Note N)	`DeferredIncomeTaxExpenseBenefit`	$829.00M	USD	Annual
Deferred income taxes (Note N)	`DeferredIncomeTaxExpenseBenefit`	$464.00M	USD	Annual
Deferred income taxes (Note N)	`DeferredIncomeTaxExpenseBenefit`	$464.00M	USD	Annual
Gain on sale of business (Note B)	`GainLossOnSaleOfBusiness`	$227.00M	USD	Annual
Gain on sale of business (Note B)	`GainLossOnSaleOfBusiness`	$227.00M	USD	Annual
Gain on sale of business (Note B)	`GainLossOnSaleOfBusiness`	-	USD	Annual
Gain on sale of business (Note B)	`GainLossOnSaleOfBusiness`	-	USD	Annual
Gain on sale of business (Note B)	`GainLossOnSaleOfBusiness`	-	USD	Annual
Gain on sale of business (Note B)	`GainLossOnSaleOfBusiness`	-	USD	Annual
Medford settlement gain (Note C)	`GainOnBusinessInterruptionInsuranceRecovery`	$779.00M	USD	Annual
Medford settlement gain (Note C)	`GainOnBusinessInterruptionInsuranceRecovery`	$779.00M	USD	Annual
Medford settlement gain (Note C)	`GainOnBusinessInterruptionInsuranceRecovery`	-	USD	Annual
Medford settlement gain (Note C)	`GainOnBusinessInterruptionInsuranceRecovery`	-	USD	Annual
Medford settlement gain (Note C)	`GainOnBusinessInterruptionInsuranceRecovery`	-	USD	Annual
Medford settlement gain (Note C)	`GainOnBusinessInterruptionInsuranceRecovery`	-	USD	Annual
Medford settlement proceeds (Note C)	`ProceedsFromInsuranceSettlementOperatingActivities`	$61.00M	USD	Annual
Medford settlement proceeds (Note C)	`ProceedsFromInsuranceSettlementOperatingActivities`	$61.00M	USD	Annual
Medford settlement proceeds (Note C)	`ProceedsFromInsuranceSettlementOperatingActivities`	-	USD	Annual
Medford settlement proceeds (Note C)	`ProceedsFromInsuranceSettlementOperatingActivities`	-	USD	Annual
Medford settlement proceeds (Note C)	`ProceedsFromInsuranceSettlementOperatingActivities`	$502.00M	USD	Annual
Medford settlement proceeds (Note C)	`ProceedsFromInsuranceSettlementOperatingActivities`	$502.00M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$72.00M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$72.00M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$92.00M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$92.00M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$83.00M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$83.00M	USD	Annual
Accounts receivable	`IncreaseDecreaseInReceivables`	$-107.00M	USD	Annual
Accounts receivable	`IncreaseDecreaseInReceivables`	$-107.00M	USD	Annual
Accounts receivable	`IncreaseDecreaseInReceivables`	$-49.00M	USD	Annual
Accounts receivable	`IncreaseDecreaseInReceivables`	$-49.00M	USD	Annual
Accounts receivable	`IncreaseDecreaseInReceivables`	$148.00M	USD	Annual
Accounts receivable	`IncreaseDecreaseInReceivables`	$148.00M	USD	Annual
Inventories, net of commodity imbalances	`IncreaseDecreaseInInventories`	$-118.00M	USD	Annual
Inventories, net of commodity imbalances	`IncreaseDecreaseInInventories`	$-118.00M	USD	Annual
Inventories, net of commodity imbalances	`IncreaseDecreaseInInventories`	$-17.00M	USD	Annual
Inventories, net of commodity imbalances	`IncreaseDecreaseInInventories`	$-17.00M	USD	Annual
Inventories, net of commodity imbalances	`IncreaseDecreaseInInventories`	$62.00M	USD	Annual
Inventories, net of commodity imbalances	`IncreaseDecreaseInInventories`	$62.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$114.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$114.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-62.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-62.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-26.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-26.00M	USD	Annual
Risk-management assets and liabilities	`IncreaseDecreaseInRiskManagementAssetsAndLiabilities`	$-197.00M	USD	Annual
Risk-management assets and liabilities	`IncreaseDecreaseInRiskManagementAssetsAndLiabilities`	$-197.00M	USD	Annual
Risk-management assets and liabilities	`IncreaseDecreaseInRiskManagementAssetsAndLiabilities`	$58.00M	USD	Annual
Risk-management assets and liabilities	`IncreaseDecreaseInRiskManagementAssetsAndLiabilities`	$58.00M	USD	Annual
Risk-management assets and liabilities	`IncreaseDecreaseInRiskManagementAssetsAndLiabilities`	$-96.00M	USD	Annual
Risk-management assets and liabilities	`IncreaseDecreaseInRiskManagementAssetsAndLiabilities`	$-96.00M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-99.00M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-99.00M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$19.00M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$19.00M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$165.00M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$165.00M	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$4.42B	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$4.42B	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$4.89B	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$4.89B	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.91B	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.91B	USD	Annual
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.20B	USD	Annual
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.20B	USD	Annual
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.59B	USD	Annual
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.59B	USD	Annual
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquirePropertyPlantAndEquipment`	$2.02B	USD	Annual
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquirePropertyPlantAndEquipment`	$2.02B	USD	Annual
Cash paid for acquisitions, net of cash acquired (Note B)	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$5.83B	USD	Annual
Cash paid for acquisitions, net of cash acquired (Note B)	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$5.83B	USD	Annual
Cash paid for acquisitions, net of cash acquired (Note B)	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Cash paid for acquisitions, net of cash acquired (Note B)	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Cash paid for acquisitions, net of cash acquired (Note B)	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$5.01B	USD	Annual
Cash paid for acquisitions, net of cash acquired (Note B)	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$5.01B	USD	Annual
Proceeds from the sale of business (Note B)	`ProceedsFromDivestitureOfBusinesses`	$1.20B	USD	Annual
Proceeds from the sale of business (Note B)	`ProceedsFromDivestitureOfBusinesses`	$1.20B	USD	Annual
Proceeds from the sale of business (Note B)	`ProceedsFromDivestitureOfBusinesses`	$1.20B	USD	Point-in-time
Proceeds from the sale of business (Note B)	`ProceedsFromDivestitureOfBusinesses`	$1.20B	USD	Point-in-time
Proceeds from the sale of business (Note B)	`ProceedsFromDivestitureOfBusinesses`	-	USD	Annual
Proceeds from the sale of business (Note B)	`ProceedsFromDivestitureOfBusinesses`	-	USD	Annual
Proceeds from the sale of business (Note B)	`ProceedsFromDivestitureOfBusinesses`	-	USD	Annual
Proceeds from the sale of business (Note B)	`ProceedsFromDivestitureOfBusinesses`	-	USD	Annual
Purchases of and contributions to unconsolidated affiliates (Note O)	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$207.00M	USD	Annual
Purchases of and contributions to unconsolidated affiliates (Note O)	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$207.00M	USD	Annual
Purchases of and contributions to unconsolidated affiliates (Note O)	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$111.00M	USD	Annual
Purchases of and contributions to unconsolidated affiliates (Note O)	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$111.00M	USD	Annual
Purchases of and contributions to unconsolidated affiliates (Note O)	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$3.00M	USD	Annual
Purchases of and contributions to unconsolidated affiliates (Note O)	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$3.00M	USD	Annual
Distributions received from unconsolidated affiliates in excess of cumulative earnings	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$20.00M	USD	Annual
Distributions received from unconsolidated affiliates in excess of cumulative earnings	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$20.00M	USD	Annual
Distributions received from unconsolidated affiliates in excess of cumulative earnings	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$50.00M	USD	Annual
Distributions received from unconsolidated affiliates in excess of cumulative earnings	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$50.00M	USD	Annual
Distributions received from unconsolidated affiliates in excess of cumulative earnings	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$52.00M	USD	Annual
Distributions received from unconsolidated affiliates in excess of cumulative earnings	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$52.00M	USD	Annual
Medford settlement proceeds (Note C)	`ProceedsFromInsuranceSettlementInvestingActivities`	$328.00M	USD	Annual
Medford settlement proceeds (Note C)	`ProceedsFromInsuranceSettlementInvestingActivities`	$328.00M	USD	Annual
Medford settlement proceeds (Note C)	`ProceedsFromInsuranceSettlementInvestingActivities`	-	USD	Annual
Medford settlement proceeds (Note C)	`ProceedsFromInsuranceSettlementInvestingActivities`	-	USD	Annual
Medford settlement proceeds (Note C)	`ProceedsFromInsuranceSettlementInvestingActivities`	$39.00M	USD	Annual
Medford settlement proceeds (Note C)	`ProceedsFromInsuranceSettlementInvestingActivities`	$39.00M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-35.00M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-35.00M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-7.00M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-7.00M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-97.00M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-97.00M	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-6.40B	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-6.40B	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-6.61B	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-6.61B	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.14B	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.14B	USD	Annual
Dividends paid	`PaymentsOfDividends`	$1.84B	USD	Annual
Dividends paid	`PaymentsOfDividends`	$1.84B	USD	Annual
Dividends paid	`PaymentsOfDividends`	$1.67B	USD	Annual
Dividends paid	`PaymentsOfDividends`	$1.67B	USD	Annual
Dividends paid	`PaymentsOfDividends`	$2.31B	USD	Annual
Dividends paid	`PaymentsOfDividends`	$2.31B	USD	Annual
Issuance of long-term debt, net of discounts (Note H)	`ProceedsFromIssuanceOfLongTermDebt`	$5.30B	USD	Annual
Issuance of long-term debt, net of discounts (Note H)	`ProceedsFromIssuanceOfLongTermDebt`	$5.30B	USD	Annual
Issuance of long-term debt, net of discounts (Note H)	`ProceedsFromIssuanceOfLongTermDebt`	$869.00M	USD	Annual
Issuance of long-term debt, net of discounts (Note H)	`ProceedsFromIssuanceOfLongTermDebt`	$869.00M	USD	Annual
Issuance of long-term debt, net of discounts (Note H)	`ProceedsFromIssuanceOfLongTermDebt`	$7.09B	USD	Annual
Issuance of long-term debt, net of discounts (Note H)	`ProceedsFromIssuanceOfLongTermDebt`	$7.09B	USD	Annual
Repayment of long-term debt (Note H)	`RepaymentsOfLongTermDebt`	$2.00B	USD	Annual
Repayment of long-term debt (Note H)	`RepaymentsOfLongTermDebt`	$2.00B	USD	Annual
Repayment of long-term debt (Note H)	`RepaymentsOfLongTermDebt`	$1.30B	USD	Annual
Repayment of long-term debt (Note H)	`RepaymentsOfLongTermDebt`	$1.30B	USD	Annual
Repayment of long-term debt (Note H)	`RepaymentsOfLongTermDebt`	$896.00M	USD	Annual
Repayment of long-term debt (Note H)	`RepaymentsOfLongTermDebt`	$896.00M	USD	Annual
Debt financing costs	`PaymentsOfFinancingCosts`	$67.00M	USD	Annual
Debt financing costs	`PaymentsOfFinancingCosts`	$67.00M	USD	Annual
Debt financing costs	`PaymentsOfFinancingCosts`	$71.00M	USD	Annual
Debt financing costs	`PaymentsOfFinancingCosts`	$71.00M	USD	Annual
Debt financing costs	`PaymentsOfFinancingCosts`	$8.00M	USD	Annual
Debt financing costs	`PaymentsOfFinancingCosts`	$8.00M	USD	Annual
Repurchase of common stock (Note I)	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Repurchase of common stock (Note I)	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Repurchase of common stock (Note I)	`PaymentsForRepurchaseOfCommonStock`	$159.00M	USD	Annual
Repurchase of common stock (Note I)	`PaymentsForRepurchaseOfCommonStock`	$159.00M	USD	Annual
Repurchase of common stock (Note I)	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Repurchase of common stock (Note I)	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Repurchase of EnLinks Series C Preferred Units	`PaymentsForRepurchaseOfRedeemablePreferredStock`	$365.00M	USD	Annual
Repurchase of EnLinks Series C Preferred Units	`PaymentsForRepurchaseOfRedeemablePreferredStock`	$365.00M	USD	Annual
Repurchase of EnLinks Series C Preferred Units	`PaymentsForRepurchaseOfRedeemablePreferredStock`	-	USD	Annual
Repurchase of EnLinks Series C Preferred Units	`PaymentsForRepurchaseOfRedeemablePreferredStock`	-	USD	Annual
Repurchase of EnLinks Series C Preferred Units	`PaymentsForRepurchaseOfRedeemablePreferredStock`	-	USD	Annual
Repurchase of EnLinks Series C Preferred Units	`PaymentsForRepurchaseOfRedeemablePreferredStock`	-	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-68.00M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-68.00M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$14.00M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$14.00M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$13.00M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$13.00M	USD	Annual
Cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.12B	USD	Annual
Cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.12B	USD	Annual
Cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.69B	USD	Annual
Cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.69B	USD	Annual
Cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.10B	USD	Annual
Cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.10B	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$74.00M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$74.00M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$118.00M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$118.00M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$395.00M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$395.00M	USD	Annual
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$146.00M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$146.00M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$220.00M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$220.00M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$338.00M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$338.00M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$733.00M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$733.00M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$146.00M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$146.00M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$220.00M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$220.00M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$338.00M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$338.00M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$733.00M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$733.00M	USD	Point-in-time
Cash paid for interest, net of amounts capitalized	`InterestPaidNet`	$582.00M	USD	Annual
Cash paid for interest, net of amounts capitalized	`InterestPaidNet`	$582.00M	USD	Annual
Cash paid for interest, net of amounts capitalized	`InterestPaidNet`	$653.00M	USD	Annual
Cash paid for interest, net of amounts capitalized	`InterestPaidNet`	$653.00M	USD	Annual
Cash paid for interest, net of amounts capitalized	`InterestPaidNet`	$1.30B	USD	Annual
Cash paid for interest, net of amounts capitalized	`InterestPaidNet`	$1.30B	USD	Annual
Cash paid for income taxes, net of refunds	`IncomeTaxesPaidNet`	$102.00M	USD	Annual
Cash paid for income taxes, net of refunds	`IncomeTaxesPaidNet`	$102.00M	USD	Annual
Cash paid for income taxes, net of refunds	`IncomeTaxesPaidNet`	$59.00M	USD	Annual
Cash paid for income taxes, net of refunds	`IncomeTaxesPaidNet`	$59.00M	USD	Annual
Cash paid for income taxes, net of refunds	`IncomeTaxesPaidNet`	$37.00M	USD	Annual
Cash paid for income taxes, net of refunds	`IncomeTaxesPaidNet`	$37.00M	USD	Annual

Stockholders Equity 98 line items

Line Item	Tag	Value	Unit	Period
Preferred stock dividends paid (in dollars per share)	`PreferredStockDividendsPerShareCashPaid`	$55.00	USD	Annual
Preferred stock dividends paid (in dollars per share)	`PreferredStockDividendsPerShareCashPaid`	$55.00	USD	Annual
Preferred stock dividends paid (in dollars per share)	`PreferredStockDividendsPerShareCashPaid`	$55.00	USD	Annual
Preferred stock dividends paid (in dollars per share)	`PreferredStockDividendsPerShareCashPaid`	$55.00	USD	Annual
Preferred stock dividends paid (in dollars per share)	`PreferredStockDividendsPerShareCashPaid`	$55.00	USD	Annual
Preferred stock dividends paid (in dollars per share)	`PreferredStockDividendsPerShareCashPaid`	$55.00	USD	Annual
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.95	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.95	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.94	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.94	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$3.82	USD	Annual
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$3.82	USD	Annual
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.99	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.99	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$3.74	USD	Annual
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$3.74	USD	Annual
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.95	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.95	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.95	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.95	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.95	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.95	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.99	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.99	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.99	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.99	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.99	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.99	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$3.96	USD	Annual
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$3.96	USD	Annual
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.94	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.94	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.94	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.94	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.94	USD	1 Quarter
Common stock dividends paid (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.94	USD	1 Quarter
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.13B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.13B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.02B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.02B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.48B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.48B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.49B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.49B	USD	Point-in-time
Net income	`ProfitLoss`	$3.11B	USD	Annual
Net income	`ProfitLoss`	$3.11B	USD	Annual
Net income	`ProfitLoss`	$1.72B	USD	Annual
Net income	`ProfitLoss`	$1.72B	USD	Annual
Net income	`ProfitLoss`	$2.66B	USD	Annual
Net income	`ProfitLoss`	$2.66B	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$363.00M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$363.00M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-63.00M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-63.00M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$75.00M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$75.00M	USD	Annual
Preferred stock dividends	`DividendsPreferredStock`	$1.00M	USD	Annual
Preferred stock dividends	`DividendsPreferredStock`	$1.00M	USD	Annual
Preferred stock dividends	`DividendsPreferredStock`	$1.00M	USD	Annual
Preferred stock dividends	`DividendsPreferredStock`	$1.00M	USD	Annual
Preferred stock dividends	`DividendsPreferredStock`	$1.00M	USD	Annual
Preferred stock dividends	`DividendsPreferredStock`	$1.00M	USD	Annual
Magellan Acquisition consideration (Note B)	`StockIssuedDuringPeriodValueAcquisitions`	$9.06B	USD	Annual
Magellan Acquisition consideration (Note B)	`StockIssuedDuringPeriodValueAcquisitions`	$9.06B	USD	Annual
Common stock issued	`StockIssuedDuringPeriodValueOther`	$67.00M	USD	Annual
Common stock issued	`StockIssuedDuringPeriodValueOther`	$67.00M	USD	Annual
Common stock issued	`StockIssuedDuringPeriodValueOther`	$38.00M	USD	Annual
Common stock issued	`StockIssuedDuringPeriodValueOther`	$38.00M	USD	Annual
Common stock issued	`StockIssuedDuringPeriodValueOther`	$39.00M	USD	Annual
Common stock issued	`StockIssuedDuringPeriodValueOther`	$39.00M	USD	Annual
Common stock dividends	`DividendsCommonStock`	$1.84B	USD	Annual
Common stock dividends	`DividendsCommonStock`	$1.84B	USD	Annual
Common stock dividends	`DividendsCommonStock`	$2.32B	USD	Annual
Common stock dividends	`DividendsCommonStock`	$2.32B	USD	Annual
Common stock dividends	`DividendsCommonStock`	$1.67B	USD	Annual
Common stock dividends	`DividendsCommonStock`	$1.67B	USD	Annual
Repurchases of common stock (Note I)	`TreasuryStockValueAcquiredCostMethod`	$172.00M	USD	Annual
Repurchases of common stock (Note I)	`TreasuryStockValueAcquiredCostMethod`	$172.00M	USD	Annual
Acquisition of EnLink noncontrolling interest (Note B)	`NoncontrollingInterestIncreaseFromBusinessCombination`	$5.08B	USD	Annual
Acquisition of EnLink noncontrolling interest (Note B)	`NoncontrollingInterestIncreaseFromBusinessCombination`	$5.08B	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$66.00M	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$66.00M	USD	Annual
Contributions from noncontrolling interests	`MinorityInterestIncreaseFromContributionsByNoncontrollingInterestHolders`	$3.00M	USD	Annual
Contributions from noncontrolling interests	`MinorityInterestIncreaseFromContributionsByNoncontrollingInterestHolders`	$3.00M	USD	Annual
Other, net	`StockholdersEquityOther`	$-26.00M	USD	Annual
Other, net	`StockholdersEquityOther`	$-26.00M	USD	Annual
Other, net	`StockholdersEquityOther`	$4.00M	USD	Annual
Other, net	`StockholdersEquityOther`	$4.00M	USD	Annual
Other, net	`StockholdersEquityOther`	$-11.00M	USD	Annual
Other, net	`StockholdersEquityOther`	$-11.00M	USD	Annual
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.13B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.13B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.02B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.02B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.48B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.48B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.49B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.49B	USD	Point-in-time

Comprehensive Income 66 line items

Line Item	Tag	Value	Unit	Period
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$16.00M	USD	Annual
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$16.00M	USD	Annual
Net income	`ProfitLoss`	$3.11B	USD	Annual
Net income	`ProfitLoss`	$3.11B	USD	Annual
Net income	`ProfitLoss`	$1.72B	USD	Annual
Net income	`ProfitLoss`	$1.72B	USD	Annual
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-46.00M	USD	Annual
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-46.00M	USD	Annual
Net income	`ProfitLoss`	$2.66B	USD	Annual
Net income	`ProfitLoss`	$2.66B	USD	Annual
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-28.00M	USD	Annual
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-28.00M	USD	Annual
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$21.00M	USD	Annual
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$21.00M	USD	Annual
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-60.00M	USD	Annual
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-60.00M	USD	Annual
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$5.00M	USD	Annual
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$5.00M	USD	Annual
Change in fair value of derivatives, net of tax of $16, $(46) and $(28), respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$155.00M	USD	Annual
Change in fair value of derivatives, net of tax of $16, $(46) and $(28), respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$155.00M	USD	Annual
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$3.00M	USD	Annual
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$3.00M	USD	Annual
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-21.00M	USD	Annual
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-21.00M	USD	Annual
Change in fair value of derivatives, net of tax of $16, $(46) and $(28), respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-53.00M	USD	Annual
Change in fair value of derivatives, net of tax of $16, $(46) and $(28), respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-53.00M	USD	Annual
Change in fair value of derivatives, net of tax of $16, $(46) and $(28), respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$93.00M	USD	Annual
Change in fair value of derivatives, net of tax of $16, $(46) and $(28), respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$93.00M	USD	Annual
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-2.00M	USD	Annual
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-2.00M	USD	Annual
Derivative amounts reclassified to net income, net of tax of $5, $21 and $(60), respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$16.00M	USD	Annual
Derivative amounts reclassified to net income, net of tax of $5, $21 and $(60), respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$16.00M	USD	Annual
Derivative amounts reclassified to net income, net of tax of $5, $21 and $(60), respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$66.00M	USD	Annual
Derivative amounts reclassified to net income, net of tax of $5, $21 and $(60), respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$66.00M	USD	Annual
Derivative amounts reclassified to net income, net of tax of $5, $21 and $(60), respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-201.00M	USD	Annual
Derivative amounts reclassified to net income, net of tax of $5, $21 and $(60), respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-201.00M	USD	Annual
Changes in benefit plan obligations and other, net of tax of $(2), $3 and $(21), respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$14.00M	USD	Annual
Changes in benefit plan obligations and other, net of tax of $(2), $3 and $(21), respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$14.00M	USD	Annual
Changes in benefit plan obligations and other, net of tax of $(2), $3 and $(21), respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-6.00M	USD	Annual
Changes in benefit plan obligations and other, net of tax of $(2), $3 and $(21), respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-6.00M	USD	Annual
Changes in benefit plan obligations and other, net of tax of $(2), $3 and $(21), respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-69.00M	USD	Annual
Changes in benefit plan obligations and other, net of tax of $(2), $3 and $(21), respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-69.00M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$363.00M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$363.00M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-63.00M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-63.00M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$75.00M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$75.00M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$3.05B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$3.05B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$2.08B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$2.08B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$2.73B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$2.73B	USD	Annual
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$77.00M	USD	Annual
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$77.00M	USD	Annual
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$2.73B	USD	Annual
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$2.73B	USD	Annual
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$2.97B	USD	Annual
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$2.97B	USD	Annual
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$2.08B	USD	Annual
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$2.08B	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.