10-Q Filing

ONEOK INC /NEW/ CIK: 1039684 Q2 2025

Filing Information

Form Type	10-Q
Accession Number	`0001039684-25-000114`
Period End Date	20250630
Filing Date	20250805
Fiscal Year	2025
Fiscal Period	Q2
XBRL Instance	oke-20250630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 192 Income Statement 172 Cash Flow Statement 132 Stockholders Equity 102 Comprehensive Income 96

Balance Sheet 192 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
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$97.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$97.00M	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
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$733.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$733.00M	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$2.48B	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$2.48B	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
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
Accounts receivable, net	`ReceivablesNetCurrent`	$2.33B	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$2.33B	USD	Point-in-time
Inventories	`InventoryNet`	$748.00M	USD	Point-in-time
Inventories	`InventoryNet`	$748.00M	USD	Point-in-time
Inventories	`InventoryNet`	$858.00M	USD	Point-in-time
Inventories	`InventoryNet`	$858.00M	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`	0.00	shares	Point-in-time
Preferred stock, shares, issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$431.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$431.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$457.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$457.00M	USD	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	20,000.00	shares	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	20,000.00	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, 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
Total current assets	`AssetsCurrent`	$3.90B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$3.90B	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, authorized (in shares)	`CommonStockSharesAuthorized`	1.20B	shares	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
Common stock, shares, authorized (in shares)	`CommonStockSharesAuthorized`	1.20B	shares	Point-in-time
Common stock, shares, issued (in shares)	`CommonStockSharesIssued`	655.91M	shares	Point-in-time
Common stock, shares, issued (in shares)	`CommonStockSharesIssued`	655.91M	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
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$53.69B	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$53.69B	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, outstanding (in shares)	`CommonStockSharesOutstanding`	583.11M	shares	Point-in-time
Common stock, shares, outstanding (in shares)	`CommonStockSharesOutstanding`	583.11M	shares	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$6.97B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$6.97B	USD	Point-in-time
Common stock, shares, outstanding (in shares)	`CommonStockSharesOutstanding`	629.75M	shares	Point-in-time
Common stock, shares, outstanding (in shares)	`CommonStockSharesOutstanding`	629.75M	shares	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
Treasury stock, shares (in shares)	`TreasuryStockCommonShares`	26.16M	shares	Point-in-time
Treasury stock, shares (in shares)	`TreasuryStockCommonShares`	26.16M	shares	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$46.72B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$46.72B	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
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$45.94B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$45.94B	USD	Point-in-time
Investments in unconsolidated affiliates	`EquityMethodInvestments`	$2.32B	USD	Point-in-time
Investments in unconsolidated affiliates	`EquityMethodInvestments`	$2.32B	USD	Point-in-time
Investments in unconsolidated affiliates	`EquityMethodInvestments`	$2.45B	USD	Point-in-time
Investments in unconsolidated affiliates	`EquityMethodInvestments`	$2.45B	USD	Point-in-time
Investments in unconsolidated affiliates	`EquityMethodInvestments`	$1.94B	USD	Point-in-time
Investments in unconsolidated affiliates	`EquityMethodInvestments`	$1.94B	USD	Point-in-time
Goodwill	`Goodwill`	$8.10B	USD	Point-in-time
Goodwill	`Goodwill`	$8.10B	USD	Point-in-time
Goodwill	`Goodwill`	$8.09B	USD	Point-in-time
Goodwill	`Goodwill`	$8.09B	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$3.04B	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$3.04B	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$2.97B	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$2.97B	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$401.00M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$401.00M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$450.00M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$450.00M	USD	Point-in-time
Total other assets	`InvestmentsAndOtherNoncurrentAssets`	$13.91B	USD	Point-in-time
Total other assets	`InvestmentsAndOtherNoncurrentAssets`	$13.91B	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 assets	`Assets`	$64.07B	USD	Point-in-time
Total assets	`Assets`	$64.07B	USD	Point-in-time
Total assets	`Assets`	$64.52B	USD	Point-in-time
Total assets	`Assets`	$64.52B	USD	Point-in-time
Total assets	`Assets`	$44.53B	USD	Point-in-time
Total assets	`Assets`	$44.53B	USD	Point-in-time
Current maturities of long-term debt (Note E)	`LongTermDebtCurrent`	$1.64B	USD	Point-in-time
Current maturities of long-term debt (Note E)	`LongTermDebtCurrent`	$1.64B	USD	Point-in-time
Current maturities of long-term debt (Note E)	`LongTermDebtCurrent`	$1.06B	USD	Point-in-time
Current maturities of long-term debt (Note E)	`LongTermDebtCurrent`	$1.06B	USD	Point-in-time
Short-term borrowings (Note E)	`ShortTermBorrowings`	$1.21B	USD	Point-in-time
Short-term borrowings (Note E)	`ShortTermBorrowings`	$1.21B	USD	Point-in-time
Short-term borrowings (Note E)	`ShortTermBorrowings`	-	USD	Point-in-time
Short-term borrowings (Note E)	`ShortTermBorrowings`	-	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`	$2.45B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$2.45B	USD	Point-in-time
Commodity imbalances	`CommodityExchangesAndImbalancesLiabilitiesCurrent`	$238.00M	USD	Point-in-time
Commodity imbalances	`CommodityExchangesAndImbalancesLiabilitiesCurrent`	$238.00M	USD	Point-in-time
Commodity imbalances	`CommodityExchangesAndImbalancesLiabilitiesCurrent`	$260.00M	USD	Point-in-time
Commodity imbalances	`CommodityExchangesAndImbalancesLiabilitiesCurrent`	$260.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$511.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$511.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$474.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$474.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$702.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$702.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$639.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$639.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$6.65B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$6.65B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$4.72B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$4.72B	USD	Point-in-time
Long-term debt, excluding current maturities	`LongTermDebtNoncurrent`	$31.02B	USD	Point-in-time
Long-term debt, excluding current maturities	`LongTermDebtNoncurrent`	$31.02B	USD	Point-in-time
Long-term debt, excluding current maturities	`LongTermDebtNoncurrent`	$29.62B	USD	Point-in-time
Long-term debt, excluding current maturities	`LongTermDebtNoncurrent`	$29.62B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$5.78B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$5.78B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$5.45B	USD	Point-in-time
Deferred income taxes	`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`	$574.00M	USD	Point-in-time
Other deferred credits	`OtherLiabilitiesNoncurrent`	$574.00M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$6.35B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$6.35B	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 J)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note J)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note J)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note J)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock	`PreferredStockValue`	-	USD	Point-in-time
Common stock	`CommonStockValue`	$7.00M	USD	Point-in-time
Common stock	`CommonStockValue`	$7.00M	USD	Point-in-time
Common stock	`CommonStockValue`	$6.00M	USD	Point-in-time
Common stock	`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`	$20.92B	USD	Point-in-time
Paid-in capital	`AdditionalPaidInCapital`	$20.92B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-63.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-63.00M	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`	$1.76B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.76B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.58B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.58B	USD	Point-in-time
Treasury stock, at cost	`TreasuryStockValue`	$807.00M	USD	Point-in-time
Treasury stock, at cost	`TreasuryStockValue`	$807.00M	USD	Point-in-time
Treasury stock, at cost	`TreasuryStockValue`	$802.00M	USD	Point-in-time
Treasury stock, at cost	`TreasuryStockValue`	$802.00M	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
Total ONEOK shareholders' equity	`StockholdersEquity`	$21.83B	USD	Point-in-time
Total ONEOK shareholders' equity	`StockholdersEquity`	$21.83B	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`	$74.00M	USD	Point-in-time
Noncontrolling interests in consolidated subsidiaries	`MinorityInterest`	$74.00M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$21.90B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$21.90B	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`	$16.48B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.48B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.45B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.45B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.12B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.12B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.71B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.71B	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
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$64.52B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$64.52B	USD	Point-in-time

Income Statement 172 line items

Line Item	Tag	Value	Unit	Period
Capitalized interest	`InterestCostsCapitalized`	$12.00M	USD	1 Quarter
Capitalized interest	`InterestCostsCapitalized`	$12.00M	USD	1 Quarter
Capitalized interest	`InterestCostsCapitalized`	$22.00M	USD	2 Qtrs
Capitalized interest	`InterestCostsCapitalized`	$22.00M	USD	2 Qtrs
Capitalized interest	`InterestCostsCapitalized`	$28.00M	USD	2 Qtrs
Capitalized interest	`InterestCostsCapitalized`	$28.00M	USD	2 Qtrs
Capitalized interest	`InterestCostsCapitalized`	$16.00M	USD	1 Quarter
Capitalized interest	`InterestCostsCapitalized`	$16.00M	USD	1 Quarter
Total revenues (Note K)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$15.93B	USD	2 Qtrs
Total revenues (Note K)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$15.93B	USD	2 Qtrs
Total revenues (Note K)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$4.89B	USD	1 Quarter
Total revenues (Note K)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$4.89B	USD	1 Quarter
Total revenues (Note K)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$9.68B	USD	2 Qtrs
Total revenues (Note K)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$9.68B	USD	2 Qtrs
Total revenues (Note K)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$7.89B	USD	1 Quarter
Total revenues (Note K)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$7.89B	USD	1 Quarter
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$2.89B	USD	1 Quarter
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$2.89B	USD	1 Quarter
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$5.36B	USD	1 Quarter
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$5.36B	USD	1 Quarter
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$5.79B	USD	2 Qtrs
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$5.79B	USD	2 Qtrs
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$11.02B	USD	2 Qtrs
Cost of sales and fuel (exclusive of items shown separately below)	`CostOfRevenue`	$11.02B	USD	2 Qtrs
Operations and maintenance	`OtherCostAndExpenseOperating`	$969.00M	USD	2 Qtrs
Operations and maintenance	`OtherCostAndExpenseOperating`	$969.00M	USD	2 Qtrs
Operations and maintenance	`OtherCostAndExpenseOperating`	$618.00M	USD	1 Quarter
Operations and maintenance	`OtherCostAndExpenseOperating`	$618.00M	USD	1 Quarter
Operations and maintenance	`OtherCostAndExpenseOperating`	$486.00M	USD	1 Quarter
Operations and maintenance	`OtherCostAndExpenseOperating`	$486.00M	USD	1 Quarter
Operations and maintenance	`OtherCostAndExpenseOperating`	$1.27B	USD	2 Qtrs
Operations and maintenance	`OtherCostAndExpenseOperating`	$1.27B	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$262.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$262.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$516.00M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$516.00M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$748.00M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$748.00M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$368.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$368.00M	USD	1 Quarter
General taxes	`TaxesOther`	$83.00M	USD	1 Quarter
General taxes	`TaxesOther`	$83.00M	USD	1 Quarter
General taxes	`TaxesOther`	$185.00M	USD	2 Qtrs
General taxes	`TaxesOther`	$185.00M	USD	2 Qtrs
General taxes	`TaxesOther`	$169.00M	USD	2 Qtrs
General taxes	`TaxesOther`	$169.00M	USD	2 Qtrs
General taxes	`TaxesOther`	$88.00M	USD	1 Quarter
General taxes	`TaxesOther`	$88.00M	USD	1 Quarter
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	$4.00M	USD	1 Quarter
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	$4.00M	USD	1 Quarter
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	$64.00M	USD	2 Qtrs
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	$64.00M	USD	2 Qtrs
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	$22.00M	USD	1 Quarter
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	$22.00M	USD	1 Quarter
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	$7.00M	USD	2 Qtrs
Transaction costs (Note B)	`BusinessCombinationAcquisitionRelatedCosts`	$7.00M	USD	2 Qtrs
Other operating income, net	`OtherOperatingIncomeExpenseNet`	$6.00M	USD	2 Qtrs
Other operating income, net	`OtherOperatingIncomeExpenseNet`	$6.00M	USD	2 Qtrs
Other operating income, net	`OtherOperatingIncomeExpenseNet`	-	USD	1 Quarter
Other operating income, net	`OtherOperatingIncomeExpenseNet`	-	USD	1 Quarter
Other operating income, net	`OtherOperatingIncomeExpenseNet`	$61.00M	USD	1 Quarter
Other operating income, net	`OtherOperatingIncomeExpenseNet`	$61.00M	USD	1 Quarter
Other operating income, net	`OtherOperatingIncomeExpenseNet`	$67.00M	USD	2 Qtrs
Other operating income, net	`OtherOperatingIncomeExpenseNet`	$67.00M	USD	2 Qtrs
Operating income	`OperatingIncomeLoss`	$1.23B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$1.23B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$2.65B	USD	2 Qtrs
Operating income	`OperatingIncomeLoss`	$2.65B	USD	2 Qtrs
Operating income	`OperatingIncomeLoss`	$1.43B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$1.43B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$2.29B	USD	2 Qtrs
Operating income	`OperatingIncomeLoss`	$2.29B	USD	2 Qtrs
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$189.00M	USD	2 Qtrs
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$189.00M	USD	2 Qtrs
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$164.00M	USD	2 Qtrs
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$164.00M	USD	2 Qtrs
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$81.00M	USD	1 Quarter
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$81.00M	USD	1 Quarter
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$88.00M	USD	1 Quarter
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$88.00M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$4.00M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$4.00M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$41.00M	USD	2 Qtrs
Other income, net	`OtherNonoperatingIncomeExpense`	$41.00M	USD	2 Qtrs
Other income, net	`OtherNonoperatingIncomeExpense`	$39.00M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$39.00M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$11.00M	USD	2 Qtrs
Other income, net	`OtherNonoperatingIncomeExpense`	$11.00M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$438.00M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$438.00M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$598.00M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$598.00M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$298.00M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$298.00M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$880.00M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$880.00M	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.00B	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.00B	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.11B	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.11B	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.02B	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.02B	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.87B	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.87B	USD	2 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$243.00M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$243.00M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$451.00M	USD	2 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$451.00M	USD	2 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$260.00M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$260.00M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$457.00M	USD	2 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$457.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$853.00M	USD	1 Quarter
Net income	`ProfitLoss`	$853.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.54B	USD	2 Qtrs
Net income	`ProfitLoss`	$1.54B	USD	2 Qtrs
Net income	`ProfitLoss`	$1.42B	USD	2 Qtrs
Net income	`ProfitLoss`	$1.42B	USD	2 Qtrs
Net income	`ProfitLoss`	$691.00M	USD	1 Quarter
Net income	`ProfitLoss`	$691.00M	USD	1 Quarter
Net income	`ProfitLoss`	$780.00M	USD	1 Quarter
Net income	`ProfitLoss`	$780.00M	USD	1 Quarter
Net income	`ProfitLoss`	$639.00M	USD	1 Quarter
Net income	`ProfitLoss`	$639.00M	USD	1 Quarter
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	2 Qtrs
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	2 Qtrs
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$12.00M	USD	1 Quarter
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$12.00M	USD	1 Quarter
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$67.00M	USD	2 Qtrs
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$67.00M	USD	2 Qtrs
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net income attributable to ONEOK	`NetIncomeLoss`	$841.00M	USD	1 Quarter
Net income attributable to ONEOK	`NetIncomeLoss`	$841.00M	USD	1 Quarter
Net income attributable to ONEOK	`NetIncomeLoss`	$780.00M	USD	1 Quarter
Net income attributable to ONEOK	`NetIncomeLoss`	$780.00M	USD	1 Quarter
Net income attributable to ONEOK	`NetIncomeLoss`	$1.48B	USD	2 Qtrs
Net income attributable to ONEOK	`NetIncomeLoss`	$1.48B	USD	2 Qtrs
Net income attributable to ONEOK	`NetIncomeLoss`	$1.42B	USD	2 Qtrs
Net income attributable to ONEOK	`NetIncomeLoss`	$1.42B	USD	2 Qtrs
Basic EPS (Note H) (in dollars per share)	`EarningsPerShareBasic`	$1.33	USD	1 Quarter
Basic EPS (Note H) (in dollars per share)	`EarningsPerShareBasic`	$1.33	USD	1 Quarter
Basic EPS (Note H) (in dollars per share)	`EarningsPerShareBasic`	$2.43	USD	2 Qtrs
Basic EPS (Note H) (in dollars per share)	`EarningsPerShareBasic`	$2.43	USD	2 Qtrs
Basic EPS (Note H) (in dollars per share)	`EarningsPerShareBasic`	$1.34	USD	1 Quarter
Basic EPS (Note H) (in dollars per share)	`EarningsPerShareBasic`	$1.34	USD	1 Quarter
Basic EPS (Note H) (in dollars per share)	`EarningsPerShareBasic`	$2.38	USD	2 Qtrs
Basic EPS (Note H) (in dollars per share)	`EarningsPerShareBasic`	$2.38	USD	2 Qtrs
Diluted EPS (Note H) (in dollars per share)	`EarningsPerShareDiluted`	$1.33	USD	1 Quarter
Diluted EPS (Note H) (in dollars per share)	`EarningsPerShareDiluted`	$1.33	USD	1 Quarter
Diluted EPS (Note H) (in dollars per share)	`EarningsPerShareDiluted`	$2.42	USD	2 Qtrs
Diluted EPS (Note H) (in dollars per share)	`EarningsPerShareDiluted`	$2.42	USD	2 Qtrs
Diluted EPS (Note H) (in dollars per share)	`EarningsPerShareDiluted`	$1.34	USD	1 Quarter
Diluted EPS (Note H) (in dollars per share)	`EarningsPerShareDiluted`	$1.34	USD	1 Quarter
Diluted EPS (Note H) (in dollars per share)	`EarningsPerShareDiluted`	$2.38	USD	2 Qtrs
Diluted EPS (Note H) (in dollars per share)	`EarningsPerShareDiluted`	$2.38	USD	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	619.30M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	619.30M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	584.60M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	584.60M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	584.40M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	584.40M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	627.20M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	627.20M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	620.30M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	620.30M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	628.10M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	628.10M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	585.70M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	585.70M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	585.80M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	585.80M	shares	1 Quarter

Cash Flow Statement 132 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$853.00M	USD	1 Quarter
Net income	`ProfitLoss`	$853.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.54B	USD	2 Qtrs
Net income	`ProfitLoss`	$1.54B	USD	2 Qtrs
Net income	`ProfitLoss`	$1.42B	USD	2 Qtrs
Net income	`ProfitLoss`	$1.42B	USD	2 Qtrs
Net income	`ProfitLoss`	$691.00M	USD	1 Quarter
Net income	`ProfitLoss`	$691.00M	USD	1 Quarter
Net income	`ProfitLoss`	$780.00M	USD	1 Quarter
Net income	`ProfitLoss`	$780.00M	USD	1 Quarter
Net income	`ProfitLoss`	$639.00M	USD	1 Quarter
Net income	`ProfitLoss`	$639.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$262.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$262.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$516.00M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$516.00M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$748.00M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$748.00M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$368.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$368.00M	USD	1 Quarter
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$189.00M	USD	2 Qtrs
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$189.00M	USD	2 Qtrs
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$164.00M	USD	2 Qtrs
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$164.00M	USD	2 Qtrs
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$81.00M	USD	1 Quarter
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$81.00M	USD	1 Quarter
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$88.00M	USD	1 Quarter
Equity in net earnings from investments (Note I)	`IncomeLossFromEquityMethodInvestments`	$88.00M	USD	1 Quarter
Distributions received from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$198.00M	USD	2 Qtrs
Distributions received from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$198.00M	USD	2 Qtrs
Distributions received from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$167.00M	USD	2 Qtrs
Distributions received from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$167.00M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$394.00M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$394.00M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$385.00M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$385.00M	USD	2 Qtrs
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$23.00M	USD	2 Qtrs
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$23.00M	USD	2 Qtrs
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$2.00M	USD	2 Qtrs
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$2.00M	USD	2 Qtrs
Accounts receivable	`IncreaseDecreaseInReceivables`	$-384.00M	USD	2 Qtrs
Accounts receivable	`IncreaseDecreaseInReceivables`	$-384.00M	USD	2 Qtrs
Accounts receivable	`IncreaseDecreaseInReceivables`	$153.00M	USD	2 Qtrs
Accounts receivable	`IncreaseDecreaseInReceivables`	$153.00M	USD	2 Qtrs
Inventories, net of commodity imbalances	`IncreaseDecreaseInInventories`	$140.00M	USD	2 Qtrs
Inventories, net of commodity imbalances	`IncreaseDecreaseInInventories`	$140.00M	USD	2 Qtrs
Inventories, net of commodity imbalances	`IncreaseDecreaseInInventories`	$-6.00M	USD	2 Qtrs
Inventories, net of commodity imbalances	`IncreaseDecreaseInInventories`	$-6.00M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$301.00M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$301.00M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-258.00M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-258.00M	USD	2 Qtrs
Risk-management assets and liabilities	`IncreaseDecreaseInRiskManagementAssetsAndLiabilities`	$93.00M	USD	2 Qtrs
Risk-management assets and liabilities	`IncreaseDecreaseInRiskManagementAssetsAndLiabilities`	$93.00M	USD	2 Qtrs
Risk-management assets and liabilities	`IncreaseDecreaseInRiskManagementAssetsAndLiabilities`	$-14.00M	USD	2 Qtrs
Risk-management assets and liabilities	`IncreaseDecreaseInRiskManagementAssetsAndLiabilities`	$-14.00M	USD	2 Qtrs
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$311.00M	USD	2 Qtrs
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$311.00M	USD	2 Qtrs
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$338.00M	USD	2 Qtrs
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$338.00M	USD	2 Qtrs
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.43B	USD	2 Qtrs
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.43B	USD	2 Qtrs
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.03B	USD	2 Qtrs
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.03B	USD	2 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquirePropertyPlantAndEquipment`	$991.00M	USD	2 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquirePropertyPlantAndEquipment`	$991.00M	USD	2 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.38B	USD	2 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.38B	USD	2 Qtrs
Cash paid for acquisitions, net of cash received	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	2 Qtrs
Cash paid for acquisitions, net of cash received	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	2 Qtrs
Cash paid for acquisitions, net of cash received	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$357.00M	USD	2 Qtrs
Cash paid for acquisitions, net of cash received	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$357.00M	USD	2 Qtrs
Purchases of and contributions to unconsolidated affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$155.00M	USD	2 Qtrs
Purchases of and contributions to unconsolidated affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$155.00M	USD	2 Qtrs
Purchases of and contributions to unconsolidated affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$98.00M	USD	2 Qtrs
Purchases of and contributions to unconsolidated affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$98.00M	USD	2 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-112.00M	USD	2 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-112.00M	USD	2 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-25.00M	USD	2 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-25.00M	USD	2 Qtrs
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.33B	USD	2 Qtrs
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.33B	USD	2 Qtrs
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.51B	USD	2 Qtrs
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.51B	USD	2 Qtrs
Dividends paid	`PaymentsOfDividends`	$1.16B	USD	2 Qtrs
Dividends paid	`PaymentsOfDividends`	$1.16B	USD	2 Qtrs
Dividends paid	`PaymentsOfDividends`	$1.29B	USD	2 Qtrs
Dividends paid	`PaymentsOfDividends`	$1.29B	USD	2 Qtrs
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebt`	$1.21B	USD	2 Qtrs
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebt`	$1.21B	USD	2 Qtrs
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebt`	$180.00M	USD	2 Qtrs
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebt`	$180.00M	USD	2 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	-	USD	2 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	-	USD	2 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$30.00M	USD	2 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$30.00M	USD	2 Qtrs
Delaware Basin JV Acquisition (Note B)	`PaymentsToMinorityShareholders`	-	USD	2 Qtrs
Delaware Basin JV Acquisition (Note B)	`PaymentsToMinorityShareholders`	-	USD	2 Qtrs
Delaware Basin JV Acquisition (Note B)	`PaymentsToMinorityShareholders`	$536.00M	USD	2 Qtrs
Delaware Basin JV Acquisition (Note B)	`PaymentsToMinorityShareholders`	$536.00M	USD	2 Qtrs
Repayment of long-term debt (Note E)	`RepaymentsOfLongTermDebt`	-	USD	2 Qtrs
Repayment of long-term debt (Note E)	`RepaymentsOfLongTermDebt`	-	USD	2 Qtrs
Repayment of long-term debt (Note E)	`RepaymentsOfLongTermDebt`	$803.00M	USD	2 Qtrs
Repayment of long-term debt (Note E)	`RepaymentsOfLongTermDebt`	$803.00M	USD	2 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-106.00M	USD	2 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-106.00M	USD	2 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-18.00M	USD	2 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-18.00M	USD	2 Qtrs
Cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.56B	USD	2 Qtrs
Cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.56B	USD	2 Qtrs
Cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-994.00M	USD	2 Qtrs
Cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-994.00M	USD	2 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-636.00M	USD	2 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-636.00M	USD	2 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-302.00M	USD	2 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-302.00M	USD	2 Qtrs
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$97.00M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$97.00M	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 beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$36.00M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$36.00M	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 end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$97.00M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$97.00M	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 and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$36.00M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$36.00M	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

Stockholders Equity 102 line items

Line Item	Tag	Value	Unit	Period
Preferred Stock dividends (in dollars per share)	`PreferredStockDividendsPerShareCashPaid`	$13.75	USD	1 Quarter
Preferred Stock dividends (in dollars per share)	`PreferredStockDividendsPerShareCashPaid`	$13.75	USD	1 Quarter
Preferred Stock dividends (in dollars per share)	`PreferredStockDividendsPerShareCashPaid`	$13.75	USD	1 Quarter
Preferred Stock dividends (in dollars per share)	`PreferredStockDividendsPerShareCashPaid`	$13.75	USD	1 Quarter
Preferred Stock dividends (in dollars per share)	`PreferredStockDividendsPerShareCashPaid`	$13.75	USD	1 Quarter
Preferred Stock dividends (in dollars per share)	`PreferredStockDividendsPerShareCashPaid`	$13.75	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.99	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.99	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.03	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.03	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.03	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.03	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.99	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.99	USD	1 Quarter
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$21.90B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$21.90B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.13B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.13B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.48B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.48B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.45B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.45B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.12B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.12B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.71B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.71B	USD	Point-in-time
Net income	`ProfitLoss`	$853.00M	USD	1 Quarter
Net income	`ProfitLoss`	$853.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.54B	USD	2 Qtrs
Net income	`ProfitLoss`	$1.54B	USD	2 Qtrs
Net income	`ProfitLoss`	$1.42B	USD	2 Qtrs
Net income	`ProfitLoss`	$1.42B	USD	2 Qtrs
Net income	`ProfitLoss`	$691.00M	USD	1 Quarter
Net income	`ProfitLoss`	$691.00M	USD	1 Quarter
Net income	`ProfitLoss`	$780.00M	USD	1 Quarter
Net income	`ProfitLoss`	$780.00M	USD	1 Quarter
Net income	`ProfitLoss`	$639.00M	USD	1 Quarter
Net income	`ProfitLoss`	$639.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-27.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-27.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-95.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-95.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$20.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$20.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$60.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$60.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-75.00M	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-75.00M	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$33.00M	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$33.00M	USD	2 Qtrs
Common stock issued	`StockIssuedDuringPeriodValueOther`	$16.00M	USD	1 Quarter
Common stock issued	`StockIssuedDuringPeriodValueOther`	$16.00M	USD	1 Quarter
Common stock issued	`StockIssuedDuringPeriodValueOther`	$6.00M	USD	1 Quarter
Common stock issued	`StockIssuedDuringPeriodValueOther`	$6.00M	USD	1 Quarter
Common stock issued	`StockIssuedDuringPeriodValueOther`	$-7.00M	USD	1 Quarter
Common stock issued	`StockIssuedDuringPeriodValueOther`	$-7.00M	USD	1 Quarter
Common stock issued	`StockIssuedDuringPeriodValueOther`	$28.00M	USD	1 Quarter
Common stock issued	`StockIssuedDuringPeriodValueOther`	$28.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStock`	$645.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStock`	$645.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStock`	$644.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStock`	$644.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStock`	$579.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStock`	$579.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStock`	$580.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStock`	$580.00M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$17.00M	USD	2 Qtrs
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$17.00M	USD	2 Qtrs
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$17.00M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$17.00M	USD	1 Quarter
EnLink Acquisition (Note B)	`StockIssuedDuringPeriodValueAcquisitions`	-	USD	1 Quarter
EnLink Acquisition (Note B)	`StockIssuedDuringPeriodValueAcquisitions`	-	USD	1 Quarter
Delaware Basin JV Acquisition (Note B)	`MinorityInterestDecreaseFromRedemptions`	$479.00M	USD	1 Quarter
Delaware Basin JV Acquisition (Note B)	`MinorityInterestDecreaseFromRedemptions`	$479.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$25.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$25.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$20.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$20.00M	USD	1 Quarter
Contributions from noncontrolling interests	`MinorityInterestIncreaseFromContributionsByNoncontrollingInterestHolders`	$6.00M	USD	1 Quarter
Contributions from noncontrolling interests	`MinorityInterestIncreaseFromContributionsByNoncontrollingInterestHolders`	$6.00M	USD	1 Quarter
Contributions from noncontrolling interests	`MinorityInterestIncreaseFromContributionsByNoncontrollingInterestHolders`	$4.00M	USD	1 Quarter
Contributions from noncontrolling interests	`MinorityInterestIncreaseFromContributionsByNoncontrollingInterestHolders`	$4.00M	USD	1 Quarter
Other, net	`StockholdersEquityOther`	$-16.00M	USD	1 Quarter
Other, net	`StockholdersEquityOther`	$-16.00M	USD	1 Quarter
Other, net	`StockholdersEquityOther`	$10.00M	USD	1 Quarter
Other, net	`StockholdersEquityOther`	$10.00M	USD	1 Quarter
Other, net	`StockholdersEquityOther`	$-13.00M	USD	1 Quarter
Other, net	`StockholdersEquityOther`	$-13.00M	USD	1 Quarter
Other, net	`StockholdersEquityOther`	$8.00M	USD	1 Quarter
Other, net	`StockholdersEquityOther`	$8.00M	USD	1 Quarter
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$21.90B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$21.90B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.13B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.13B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.48B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.48B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.45B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.45B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.12B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.12B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.71B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.71B	USD	Point-in-time

Comprehensive Income 96 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$853.00M	USD	1 Quarter
Net income	`ProfitLoss`	$853.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.54B	USD	2 Qtrs
Net income	`ProfitLoss`	$1.54B	USD	2 Qtrs
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-3.00M	USD	1 Quarter
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-3.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.42B	USD	2 Qtrs
Net income	`ProfitLoss`	$1.42B	USD	2 Qtrs
Net income	`ProfitLoss`	$691.00M	USD	1 Quarter
Net income	`ProfitLoss`	$691.00M	USD	1 Quarter
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-17.00M	USD	1 Quarter
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-17.00M	USD	1 Quarter
Net income	`ProfitLoss`	$780.00M	USD	1 Quarter
Net income	`ProfitLoss`	$780.00M	USD	1 Quarter
Net income	`ProfitLoss`	$639.00M	USD	1 Quarter
Net income	`ProfitLoss`	$639.00M	USD	1 Quarter
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-6.00M	USD	2 Qtrs
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-6.00M	USD	2 Qtrs
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$19.00M	USD	2 Qtrs
Change in fair value of derivatives, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$19.00M	USD	2 Qtrs
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-5.00M	USD	2 Qtrs
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-5.00M	USD	2 Qtrs
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-2.00M	USD	1 Quarter
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-2.00M	USD	1 Quarter
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-3.00M	USD	1 Quarter
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-3.00M	USD	1 Quarter
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$3.00M	USD	2 Qtrs
Derivative amounts reclassified to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$3.00M	USD	2 Qtrs
Change in fair value of derivatives, net of tax of $(17), $(3), $(6) and $19, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$21.00M	USD	2 Qtrs
Change in fair value of derivatives, net of tax of $(17), $(3), $(6) and $19, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$21.00M	USD	2 Qtrs
Change in fair value of derivatives, net of tax of $(17), $(3), $(6) and $19, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$58.00M	USD	1 Quarter
Change in fair value of derivatives, net of tax of $(17), $(3), $(6) and $19, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$58.00M	USD	1 Quarter
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	1 Quarter
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	1 Quarter
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	2 Qtrs
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	2 Qtrs
Change in fair value of derivatives, net of tax of $(17), $(3), $(6) and $19, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-64.00M	USD	2 Qtrs
Change in fair value of derivatives, net of tax of $(17), $(3), $(6) and $19, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-64.00M	USD	2 Qtrs
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	1 Quarter
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	1 Quarter
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	2 Qtrs
Change in retirement and other postretirement benefit plan obligations, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	2 Qtrs
Change in fair value of derivatives, net of tax of $(17), $(3), $(6) and $19, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$11.00M	USD	1 Quarter
Change in fair value of derivatives, net of tax of $(17), $(3), $(6) and $19, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$11.00M	USD	1 Quarter
Derivative amounts reclassified to net income, net of tax of $(2), $(3), $(5) and $3, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$8.00M	USD	2 Qtrs
Derivative amounts reclassified to net income, net of tax of $(2), $(3), $(5) and $3, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$8.00M	USD	2 Qtrs
Derivative amounts reclassified to net income, net of tax of $(2), $(3), $(5) and $3, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.00M	USD	1 Quarter
Derivative amounts reclassified to net income, net of tax of $(2), $(3), $(5) and $3, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.00M	USD	1 Quarter
Derivative amounts reclassified to net income, net of tax of $(2), $(3), $(5) and $3, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-13.00M	USD	1 Quarter
Derivative amounts reclassified to net income, net of tax of $(2), $(3), $(5) and $3, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-13.00M	USD	1 Quarter
Derivative amounts reclassified to net income, net of tax of $(2), $(3), $(5) and $3, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-11.00M	USD	2 Qtrs
Derivative amounts reclassified to net income, net of tax of $(2), $(3), $(5) and $3, respectively	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-11.00M	USD	2 Qtrs
Changes in benefit plan obligations and other, net of tax of $, $, $ and $, respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$3.00M	USD	2 Qtrs
Changes in benefit plan obligations and other, net of tax of $, $, $ and $, respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$3.00M	USD	2 Qtrs
Changes in benefit plan obligations and other, net of tax of $, $, $ and $, respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.00M	USD	1 Quarter
Changes in benefit plan obligations and other, net of tax of $, $, $ and $, respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.00M	USD	1 Quarter
Changes in benefit plan obligations and other, net of tax of $, $, $ and $, respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$4.00M	USD	1 Quarter
Changes in benefit plan obligations and other, net of tax of $, $, $ and $, respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$4.00M	USD	1 Quarter
Changes in benefit plan obligations and other, net of tax of $, $, $ and $, respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.00M	USD	2 Qtrs
Changes in benefit plan obligations and other, net of tax of $, $, $ and $, respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.00M	USD	2 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-27.00M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-27.00M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-95.00M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-95.00M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$20.00M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$20.00M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$60.00M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$60.00M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-75.00M	USD	2 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-75.00M	USD	2 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$33.00M	USD	2 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$33.00M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.58B	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.58B	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.34B	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.34B	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$800.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$800.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$913.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$913.00M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$12.00M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$12.00M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$67.00M	USD	2 Qtrs
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$67.00M	USD	2 Qtrs
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	2 Qtrs
Less: Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	2 Qtrs
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$1.34B	USD	2 Qtrs
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$1.34B	USD	2 Qtrs
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$800.00M	USD	1 Quarter
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$800.00M	USD	1 Quarter
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$901.00M	USD	1 Quarter
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$901.00M	USD	1 Quarter
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$1.51B	USD	2 Qtrs
Comprehensive income attributable to ONEOK	`ComprehensiveIncomeNetOfTax`	$1.51B	USD	2 Qtrs

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