10-Q Filing

HUMANA INC CIK: 49071 Q3 2025

Filing Information

Form Type	10-Q
Accession Number	`0000049071-25-000057`
Period End Date	20250930
Filing Date	20251105
Fiscal Year	2025
Fiscal Period	Q3
XBRL Instance	hum-20250930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 168 Income Statement 160 Cash Flow Statement 206 Stockholders Equity 78 Comprehensive Income 72

Balance Sheet 168 line items

Line Item	Tag	Value	Unit	Period
Receivables, net of allowances	`AllowanceForDoubtfulAccountsReceivableCurrent`	$98.00M	USD	Point-in-time
Receivables, net of allowances	`AllowanceForDoubtfulAccountsReceivableCurrent`	$98.00M	USD	Point-in-time
Receivables, net of allowances	`AllowanceForDoubtfulAccountsReceivableCurrent`	$124.00M	USD	Point-in-time
Receivables, net of allowances	`AllowanceForDoubtfulAccountsReceivableCurrent`	$124.00M	USD	Point-in-time
Preferred stock, par (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Preferred stock, par (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Preferred stock, par (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Preferred stock, par (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.22B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$5.39B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.22B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$5.39B	USD	Point-in-time
Investment securities	`ShortTermInvestments`	$18.21B	USD	Point-in-time
Investment securities	`ShortTermInvestments`	$16.74B	USD	Point-in-time
Investment securities	`ShortTermInvestments`	$16.74B	USD	Point-in-time
Investment securities	`ShortTermInvestments`	$18.21B	USD	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
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
Common stock, par (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.17	USD	Point-in-time
Common stock, par (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.17	USD	Point-in-time
Common stock, par (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.17	USD	Point-in-time
Common stock, par (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.17	USD	Point-in-time
Receivables, net of allowances of $124 in 2025 and $98 in 2024	`ReceivablesNetCurrent`	$2.70B	USD	Point-in-time
Receivables, net of allowances of $124 in 2025 and $98 in 2024	`ReceivablesNetCurrent`	$2.70B	USD	Point-in-time
Receivables, net of allowances of $124 in 2025 and $98 in 2024	`ReceivablesNetCurrent`	$2.68B	USD	Point-in-time
Receivables, net of allowances of $124 in 2025 and $98 in 2024	`ReceivablesNetCurrent`	$2.68B	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$6.68B	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$7.94B	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$6.68B	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$7.94B	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	198.72M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$29.82B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$29.82B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$32.75B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$32.75B	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	198.72M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	198.72M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	198.72M	shares	Point-in-time
Treasury stock, at cost (in shares)	`TreasuryStockCommonShares`	78.45M	shares	Point-in-time
Treasury stock, at cost (in shares)	`TreasuryStockCommonShares`	78.45M	shares	Point-in-time
Treasury stock, at cost (in shares)	`TreasuryStockCommonShares`	78.08M	shares	Point-in-time
Treasury stock, at cost (in shares)	`TreasuryStockCommonShares`	78.08M	shares	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$2.53B	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$2.27B	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$2.53B	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$2.27B	USD	Point-in-time
Long-term investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$440.00M	USD	Point-in-time
Long-term investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$440.00M	USD	Point-in-time
Long-term investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$421.00M	USD	Point-in-time
Long-term investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$421.00M	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$697.00M	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$697.00M	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$623.00M	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$623.00M	USD	Point-in-time
Goodwill	`Goodwill`	$9.62B	USD	Point-in-time
Goodwill	`Goodwill`	$9.63B	USD	Point-in-time
Goodwill	`Goodwill`	$9.63B	USD	Point-in-time
Goodwill	`Goodwill`	$9.62B	USD	Point-in-time
Other long-term assets	`OtherAssetsNoncurrent`	$4.02B	USD	Point-in-time
Other long-term assets	`OtherAssetsNoncurrent`	$4.02B	USD	Point-in-time
Other long-term assets	`OtherAssetsNoncurrent`	$3.38B	USD	Point-in-time
Other long-term assets	`OtherAssetsNoncurrent`	$3.38B	USD	Point-in-time
Total assets	`Assets`	$49.72B	USD	Point-in-time
Total assets	`Assets`	$46.48B	USD	Point-in-time
Total assets	`Assets`	$46.48B	USD	Point-in-time
Total assets	`Assets`	$49.72B	USD	Point-in-time
Benefits payable	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$10.44B	USD	Point-in-time
Benefits payable	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$10.09B	USD	Point-in-time
Benefits payable	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$10.44B	USD	Point-in-time
Benefits payable	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$10.09B	USD	Point-in-time
Benefits payable	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$11.12B	USD	Point-in-time
Benefits payable	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$10.24B	USD	Point-in-time
Benefits payable	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$10.24B	USD	Point-in-time
Benefits payable	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$11.12B	USD	Point-in-time
Trade accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$5.26B	USD	Point-in-time
Trade accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$5.26B	USD	Point-in-time
Trade accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$5.52B	USD	Point-in-time
Trade accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$5.52B	USD	Point-in-time
Book overdraft	`BookOverdraftLiability`	$308.00M	USD	Point-in-time
Book overdraft	`BookOverdraftLiability`	$308.00M	USD	Point-in-time
Book overdraft	`BookOverdraftLiability`	$403.00M	USD	Point-in-time
Book overdraft	`BookOverdraftLiability`	$403.00M	USD	Point-in-time
Unearned revenues	`ContractWithCustomerLiabilityCurrent`	$260.00M	USD	Point-in-time
Unearned revenues	`ContractWithCustomerLiabilityCurrent`	$260.00M	USD	Point-in-time
Unearned revenues	`ContractWithCustomerLiabilityCurrent`	$265.00M	USD	Point-in-time
Unearned revenues	`ContractWithCustomerLiabilityCurrent`	$265.00M	USD	Point-in-time
Short-term debt	`DebtCurrent`	$577.00M	USD	Point-in-time
Short-term debt	`DebtCurrent`	$577.00M	USD	Point-in-time
Short-term debt	`DebtCurrent`	-	USD	Point-in-time
Short-term debt	`DebtCurrent`	-	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$16.18B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$16.18B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$16.94B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$16.94B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$11.14B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$11.14B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$12.61B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$12.61B	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$2.35B	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$1.95B	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$1.95B	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$2.35B	USD	Point-in-time
Total liabilities	`Liabilities`	$30.03B	USD	Point-in-time
Total liabilities	`Liabilities`	$30.03B	USD	Point-in-time
Total liabilities	`Liabilities`	$31.14B	USD	Point-in-time
Total liabilities	`Liabilities`	$31.14B	USD	Point-in-time
Commitments and Contingencies (Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, $1 par; 10,000,000 shares authorized; none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $1 par; 10,000,000 shares authorized; none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $1 par; 10,000,000 shares authorized; none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $1 par; 10,000,000 shares authorized; none issued	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $0.16 2/3 par; 300,000,000 shares authorized; 198,719,321 shares issued at September 30, 2025 and 198,718,810 shares issued at December 31, 2024	`CommonStockValue`	$33.00M	USD	Point-in-time
Common stock, $0.16 2/3 par; 300,000,000 shares authorized; 198,719,321 shares issued at September 30, 2025 and 198,718,810 shares issued at December 31, 2024	`CommonStockValue`	$33.00M	USD	Point-in-time
Common stock, $0.16 2/3 par; 300,000,000 shares authorized; 198,719,321 shares issued at September 30, 2025 and 198,718,810 shares issued at December 31, 2024	`CommonStockValue`	$33.00M	USD	Point-in-time
Common stock, $0.16 2/3 par; 300,000,000 shares authorized; 198,719,321 shares issued at September 30, 2025 and 198,718,810 shares issued at December 31, 2024	`CommonStockValue`	$33.00M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$3.46B	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$3.46B	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$3.64B	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$3.64B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$29.98B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$29.98B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$28.32B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$28.32B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.07B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.07B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-666.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-666.00M	USD	Point-in-time
Treasury stock, at cost, 78,446,253 shares at September 30, 2025 and 78,077,195 shares at December 31, 2024	`TreasuryStockCommonValue`	$14.37B	USD	Point-in-time
Treasury stock, at cost, 78,446,253 shares at September 30, 2025 and 78,077,195 shares at December 31, 2024	`TreasuryStockCommonValue`	$14.37B	USD	Point-in-time
Treasury stock, at cost, 78,446,253 shares at September 30, 2025 and 78,077,195 shares at December 31, 2024	`TreasuryStockCommonValue`	$14.46B	USD	Point-in-time
Treasury stock, at cost, 78,446,253 shares at September 30, 2025 and 78,077,195 shares at December 31, 2024	`TreasuryStockCommonValue`	$14.46B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$18.52B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$18.52B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$16.38B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$16.38B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$70.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$70.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$60.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$60.00M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.62B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$18.58B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$18.30B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$18.30B	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`	$16.73B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$18.58B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.73B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.32B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.32B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.62B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$46.48B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$49.72B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$46.48B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$49.72B	USD	Point-in-time

Income Statement 160 line items

Line Item	Tag	Value	Unit	Period
Premiums	`PremiumsEarnedNet`	$27.95B	USD	1 Quarter
Premiums	`PremiumsEarnedNet`	$27.95B	USD	1 Quarter
Premiums	`PremiumsEarnedNet`	$84.35B	USD	3 Qtrs
Premiums	`PremiumsEarnedNet`	$84.35B	USD	3 Qtrs
Premiums	`PremiumsEarnedNet`	$30.71B	USD	1 Quarter
Premiums	`PremiumsEarnedNet`	$30.71B	USD	1 Quarter
Premiums	`PremiumsEarnedNet`	$91.94B	USD	3 Qtrs
Premiums	`PremiumsEarnedNet`	$91.94B	USD	3 Qtrs
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$4.33B	USD	3 Qtrs
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$4.33B	USD	3 Qtrs
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$1.60B	USD	1 Quarter
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$1.60B	USD	1 Quarter
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$1.10B	USD	1 Quarter
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$3.27B	USD	3 Qtrs
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$1.10B	USD	1 Quarter
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$3.27B	USD	3 Qtrs
Investment income	`InvestmentIncomeInterestAndDividend`	$338.00M	USD	1 Quarter
Investment income	`InvestmentIncomeInterestAndDividend`	$874.00M	USD	3 Qtrs
Investment income	`InvestmentIncomeInterestAndDividend`	$874.00M	USD	3 Qtrs
Investment income	`InvestmentIncomeInterestAndDividend`	$338.00M	USD	1 Quarter
Investment income	`InvestmentIncomeInterestAndDividend`	$343.00M	USD	1 Quarter
Investment income	`InvestmentIncomeInterestAndDividend`	$929.00M	USD	3 Qtrs
Investment income	`InvestmentIncomeInterestAndDividend`	$343.00M	USD	1 Quarter
Investment income	`InvestmentIncomeInterestAndDividend`	$929.00M	USD	3 Qtrs
Total revenues	`Revenues`	$29.40B	USD	1 Quarter
Total revenues	`Revenues`	$29.40B	USD	1 Quarter
Total revenues	`Revenues`	$88.55B	USD	3 Qtrs
Total revenues	`Revenues`	$88.55B	USD	3 Qtrs
Total revenues	`Revenues`	$32.65B	USD	1 Quarter
Total revenues	`Revenues`	$32.65B	USD	1 Quarter
Total revenues	`Revenues`	$97.15B	USD	3 Qtrs
Total revenues	`Revenues`	$97.15B	USD	3 Qtrs
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$82.09B	USD	3 Qtrs
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$82.09B	USD	3 Qtrs
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$27.99B	USD	1 Quarter
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$27.99B	USD	1 Quarter
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$75.28B	USD	3 Qtrs
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$75.28B	USD	3 Qtrs
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$25.12B	USD	1 Quarter
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$25.12B	USD	1 Quarter
Operating costs	`SellingGeneralAndAdministrativeExpense`	$3.34B	USD	1 Quarter
Operating costs	`SellingGeneralAndAdministrativeExpense`	$3.34B	USD	1 Quarter
Operating costs	`SellingGeneralAndAdministrativeExpense`	$9.53B	USD	3 Qtrs
Operating costs	`SellingGeneralAndAdministrativeExpense`	$9.53B	USD	3 Qtrs
Operating costs	`SellingGeneralAndAdministrativeExpense`	$4.08B	USD	1 Quarter
Operating costs	`SellingGeneralAndAdministrativeExpense`	$4.08B	USD	1 Quarter
Operating costs	`SellingGeneralAndAdministrativeExpense`	$11.01B	USD	3 Qtrs
Operating costs	`SellingGeneralAndAdministrativeExpense`	$11.01B	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$534.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$173.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$173.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$534.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$631.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$210.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$210.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$631.00M	USD	3 Qtrs
Total operating expenses	`BenefitsLossesAndExpenses`	$93.64B	USD	3 Qtrs
Total operating expenses	`BenefitsLossesAndExpenses`	$32.25B	USD	1 Quarter
Total operating expenses	`BenefitsLossesAndExpenses`	$32.25B	USD	1 Quarter
Total operating expenses	`BenefitsLossesAndExpenses`	$93.64B	USD	3 Qtrs
Total operating expenses	`BenefitsLossesAndExpenses`	$85.44B	USD	3 Qtrs
Total operating expenses	`BenefitsLossesAndExpenses`	$28.67B	USD	1 Quarter
Total operating expenses	`BenefitsLossesAndExpenses`	$28.67B	USD	1 Quarter
Total operating expenses	`BenefitsLossesAndExpenses`	$85.44B	USD	3 Qtrs
Income (loss) from operations	`OperatingIncomeLoss`	$728.00M	USD	1 Quarter
Income (loss) from operations	`OperatingIncomeLoss`	$728.00M	USD	1 Quarter
Income (loss) from operations	`OperatingIncomeLoss`	$3.10B	USD	3 Qtrs
Income (loss) from operations	`OperatingIncomeLoss`	$3.10B	USD	3 Qtrs
Income (loss) from operations	`OperatingIncomeLoss`	$400.00M	USD	1 Quarter
Income (loss) from operations	`OperatingIncomeLoss`	$400.00M	USD	1 Quarter
Income (loss) from operations	`OperatingIncomeLoss`	$3.51B	USD	3 Qtrs
Income (loss) from operations	`OperatingIncomeLoss`	$3.51B	USD	3 Qtrs
Loss on sale of business	`GainLossOnSaleOfBusiness`	$-63.00M	USD	1 Quarter
Loss on sale of business	`GainLossOnSaleOfBusiness`	$-63.00M	USD	3 Qtrs
Loss on sale of business	`GainLossOnSaleOfBusiness`	$-63.00M	USD	1 Quarter
Loss on sale of business	`GainLossOnSaleOfBusiness`	$-63.00M	USD	3 Qtrs
Loss on sale of business	`GainLossOnSaleOfBusiness`	-	USD	3 Qtrs
Loss on sale of business	`GainLossOnSaleOfBusiness`	-	USD	1 Quarter
Loss on sale of business	`GainLossOnSaleOfBusiness`	-	USD	1 Quarter
Loss on sale of business	`GainLossOnSaleOfBusiness`	-	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$169.00M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$169.00M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$496.00M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$496.00M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$168.00M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$168.00M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$485.00M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$485.00M	USD	3 Qtrs
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$-398.00M	USD	3 Qtrs
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$-35.00M	USD	1 Quarter
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$-35.00M	USD	1 Quarter
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$-398.00M	USD	3 Qtrs
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$-26.00M	USD	3 Qtrs
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$92.00M	USD	1 Quarter
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$92.00M	USD	1 Quarter
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$-26.00M	USD	3 Qtrs
Income before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$2.57B	USD	3 Qtrs
Income before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$134.00M	USD	1 Quarter
Income before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$134.00M	USD	1 Quarter
Income before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$2.57B	USD	3 Qtrs
Income before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$2.58B	USD	3 Qtrs
Income before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$651.00M	USD	1 Quarter
Income before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$651.00M	USD	1 Quarter
Income before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$2.58B	USD	3 Qtrs
(Benefit) provision for income taxes	`IncomeTaxExpenseBenefit`	$155.00M	USD	1 Quarter
(Benefit) provision for income taxes	`IncomeTaxExpenseBenefit`	$155.00M	USD	1 Quarter
(Benefit) provision for income taxes	`IncomeTaxExpenseBenefit`	$629.00M	USD	3 Qtrs
(Benefit) provision for income taxes	`IncomeTaxExpenseBenefit`	$629.00M	USD	3 Qtrs
(Benefit) provision for income taxes	`IncomeTaxExpenseBenefit`	$-86.00M	USD	1 Quarter
(Benefit) provision for income taxes	`IncomeTaxExpenseBenefit`	$-86.00M	USD	1 Quarter
(Benefit) provision for income taxes	`IncomeTaxExpenseBenefit`	$499.00M	USD	3 Qtrs
(Benefit) provision for income taxes	`IncomeTaxExpenseBenefit`	$499.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-88.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-88.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-26.00M	USD	1 Quarter
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-26.00M	USD	1 Quarter
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-57.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-16.00M	USD	1 Quarter
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-16.00M	USD	1 Quarter
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-57.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$1.98B	USD	3 Qtrs
Net income	`ProfitLoss`	$194.00M	USD	1 Quarter
Net income	`ProfitLoss`	$194.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.98B	USD	3 Qtrs
Net income	`ProfitLoss`	$1.90B	USD	3 Qtrs
Net income	`ProfitLoss`	$480.00M	USD	1 Quarter
Net income	`ProfitLoss`	$480.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.90B	USD	3 Qtrs
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-3.00M	USD	3 Qtrs
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-3.00M	USD	3 Qtrs
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.00M	USD	1 Quarter
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.00M	USD	1 Quarter
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-5.00M	USD	3 Qtrs
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-5.00M	USD	3 Qtrs
Net income attributable to Humana	`NetIncomeLoss`	$195.00M	USD	1 Quarter
Net income attributable to Humana	`NetIncomeLoss`	$1.98B	USD	3 Qtrs
Net income attributable to Humana	`NetIncomeLoss`	$1.98B	USD	3 Qtrs
Net income attributable to Humana	`NetIncomeLoss`	$195.00M	USD	1 Quarter
Net income attributable to Humana	`NetIncomeLoss`	$480.00M	USD	1 Quarter
Net income attributable to Humana	`NetIncomeLoss`	$1.90B	USD	3 Qtrs
Net income attributable to Humana	`NetIncomeLoss`	$480.00M	USD	1 Quarter
Net income attributable to Humana	`NetIncomeLoss`	$1.90B	USD	3 Qtrs
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$16.47	USD	3 Qtrs
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$1.62	USD	1 Quarter
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$1.62	USD	1 Quarter
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$16.47	USD	3 Qtrs
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$15.76	USD	3 Qtrs
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$3.99	USD	1 Quarter
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$3.99	USD	1 Quarter
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$15.76	USD	3 Qtrs
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$16.43	USD	3 Qtrs
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$3.98	USD	1 Quarter
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$3.98	USD	1 Quarter
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$15.72	USD	3 Qtrs
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$15.72	USD	3 Qtrs
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$1.62	USD	1 Quarter
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$1.62	USD	1 Quarter
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$16.43	USD	3 Qtrs

Cash Flow Statement 206 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$480.00M	USD	1 Quarter
Net income	`ProfitLoss`	$480.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.90B	USD	3 Qtrs
Net income	`ProfitLoss`	$1.90B	USD	3 Qtrs
Net income	`ProfitLoss`	$194.00M	USD	1 Quarter
Net income	`ProfitLoss`	$194.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.98B	USD	3 Qtrs
Net income	`ProfitLoss`	$1.98B	USD	3 Qtrs
Loss on sale of business	`GainLossOnSaleOfBusiness`	$-63.00M	USD	3 Qtrs
Loss on sale of business	`GainLossOnSaleOfBusiness`	$-63.00M	USD	3 Qtrs
Loss on sale of business	`GainLossOnSaleOfBusiness`	$-63.00M	USD	1 Quarter
Loss on sale of business	`GainLossOnSaleOfBusiness`	$-63.00M	USD	1 Quarter
Loss on sale of business	`GainLossOnSaleOfBusiness`	-	USD	3 Qtrs
Loss on sale of business	`GainLossOnSaleOfBusiness`	-	USD	1 Quarter
Loss on sale of business	`GainLossOnSaleOfBusiness`	-	USD	1 Quarter
Loss on sale of business	`GainLossOnSaleOfBusiness`	-	USD	3 Qtrs
Gain on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$10.00M	USD	1 Quarter
Gain on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$10.00M	USD	1 Quarter
Gain on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$10.00M	USD	3 Qtrs
Gain on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$10.00M	USD	3 Qtrs
Gain on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$53.00M	USD	1 Quarter
Gain on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$53.00M	USD	1 Quarter
Gain on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$66.00M	USD	3 Qtrs
Gain on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$66.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-26.00M	USD	1 Quarter
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-88.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-88.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-26.00M	USD	1 Quarter
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-57.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-16.00M	USD	1 Quarter
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-16.00M	USD	1 Quarter
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-57.00M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$153.00M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$153.00M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$193.00M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$193.00M	USD	3 Qtrs
Depreciation	`Depreciation`	$587.00M	USD	3 Qtrs
Depreciation	`Depreciation`	$682.00M	USD	3 Qtrs
Depreciation	`Depreciation`	$682.00M	USD	3 Qtrs
Depreciation	`Depreciation`	$587.00M	USD	3 Qtrs
Amortization	`AdjustmentForAmortization`	$43.00M	USD	3 Qtrs
Amortization	`AdjustmentForAmortization`	$43.00M	USD	3 Qtrs
Amortization	`AdjustmentForAmortization`	$46.00M	USD	3 Qtrs
Amortization	`AdjustmentForAmortization`	$46.00M	USD	3 Qtrs
Impairment of property and equipment	`TangibleAssetImpairmentCharges`	$14.00M	USD	3 Qtrs
Impairment of property and equipment	`TangibleAssetImpairmentCharges`	$129.00M	USD	3 Qtrs
Impairment of property and equipment	`TangibleAssetImpairmentCharges`	$129.00M	USD	3 Qtrs
Impairment of property and equipment	`TangibleAssetImpairmentCharges`	$14.00M	USD	3 Qtrs
Impairment of indefinite-lived intangible assets	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	$32.00M	USD	1 Quarter
Impairment of indefinite-lived intangible assets	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	$32.00M	USD	1 Quarter
Impairment of indefinite-lived intangible assets	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	$32.00M	USD	3 Qtrs
Impairment of indefinite-lived intangible assets	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	$32.00M	USD	3 Qtrs
Impairment of indefinite-lived intangible assets	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	$200.00M	USD	1 Quarter
Impairment of indefinite-lived intangible assets	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	-	USD	3 Qtrs
Impairment of indefinite-lived intangible assets	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	-	USD	3 Qtrs
Impairment of indefinite-lived intangible assets	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	-	USD	1 Quarter
Impairment of indefinite-lived intangible assets	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	-	USD	1 Quarter
Impairment of indefinite-lived intangible assets	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	$200.00M	USD	1 Quarter
Receivables	`IncreaseDecreaseInReceivables`	$109.00M	USD	3 Qtrs
Receivables	`IncreaseDecreaseInReceivables`	$109.00M	USD	3 Qtrs
Receivables	`IncreaseDecreaseInReceivables`	$-16.00M	USD	3 Qtrs
Receivables	`IncreaseDecreaseInReceivables`	$-16.00M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$1.37B	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-258.00M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-258.00M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$1.37B	USD	3 Qtrs
Benefits payable	`IncreaseDecreaseInHealthCareInsuranceLiabilities`	$-351.00M	USD	3 Qtrs
Benefits payable	`IncreaseDecreaseInHealthCareInsuranceLiabilities`	$-351.00M	USD	3 Qtrs
Benefits payable	`IncreaseDecreaseInHealthCareInsuranceLiabilities`	$884.00M	USD	3 Qtrs
Benefits payable	`IncreaseDecreaseInHealthCareInsuranceLiabilities`	$884.00M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$1.32B	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-498.00M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-498.00M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$1.32B	USD	3 Qtrs
Unearned revenues	`IncreaseDecreaseInContractWithCustomerLiability`	$5.00M	USD	3 Qtrs
Unearned revenues	`IncreaseDecreaseInContractWithCustomerLiability`	$5.00M	USD	3 Qtrs
Unearned revenues	`IncreaseDecreaseInContractWithCustomerLiability`	$-71.00M	USD	3 Qtrs
Unearned revenues	`IncreaseDecreaseInContractWithCustomerLiability`	$-71.00M	USD	3 Qtrs
Other	`OtherOperatingActivitiesCashFlowStatement`	$27.00M	USD	3 Qtrs
Other	`OtherOperatingActivitiesCashFlowStatement`	$27.00M	USD	3 Qtrs
Other	`OtherOperatingActivitiesCashFlowStatement`	$76.00M	USD	3 Qtrs
Other	`OtherOperatingActivitiesCashFlowStatement`	$76.00M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.49B	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.49B	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.57B	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.57B	USD	3 Qtrs
Proceeds from sale of business, net	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	$115.00M	USD	3 Qtrs
Proceeds from sale of business, net	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	-	USD	3 Qtrs
Proceeds from sale of business, net	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	-	USD	3 Qtrs
Proceeds from sale of business, net	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	$115.00M	USD	3 Qtrs
Acquisitions, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$5.00M	USD	3 Qtrs
Acquisitions, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$5.00M	USD	3 Qtrs
Acquisitions, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$37.00M	USD	3 Qtrs
Acquisitions, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$37.00M	USD	3 Qtrs
Purchases of property and equipment, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$344.00M	USD	3 Qtrs
Purchases of property and equipment, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$421.00M	USD	3 Qtrs
Purchases of property and equipment, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$421.00M	USD	3 Qtrs
Purchases of property and equipment, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$344.00M	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$6.04B	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$5.20B	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$6.04B	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$5.20B	USD	3 Qtrs
Proceeds from maturities of investment securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$2.15B	USD	3 Qtrs
Proceeds from maturities of investment securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$2.15B	USD	3 Qtrs
Proceeds from maturities of investment securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$2.21B	USD	3 Qtrs
Proceeds from maturities of investment securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$2.21B	USD	3 Qtrs
Proceeds from sales of investment securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$1.76B	USD	3 Qtrs
Proceeds from sales of investment securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$1.76B	USD	3 Qtrs
Proceeds from sales of investment securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$5.07B	USD	3 Qtrs
Proceeds from sales of investment securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$5.07B	USD	3 Qtrs
Changes in securities lending collateral receivable	`IncreaseDecreaseInCollateralHeldUnderSecuritiesLending`	$361.00M	USD	3 Qtrs
Changes in securities lending collateral receivable	`IncreaseDecreaseInCollateralHeldUnderSecuritiesLending`	$361.00M	USD	3 Qtrs
Changes in securities lending collateral receivable	`IncreaseDecreaseInCollateralHeldUnderSecuritiesLending`	$141.00M	USD	3 Qtrs
Changes in securities lending collateral receivable	`IncreaseDecreaseInCollateralHeldUnderSecuritiesLending`	$141.00M	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.89B	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.89B	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$1.64B	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$1.64B	USD	3 Qtrs
Payments from contract deposits, net	`PaymentsForProceedsFromContractDeposits`	$1.16B	USD	3 Qtrs
Payments from contract deposits, net	`PaymentsForProceedsFromContractDeposits`	$1.16B	USD	3 Qtrs
Payments from contract deposits, net	`PaymentsForProceedsFromContractDeposits`	$638.00M	USD	3 Qtrs
Payments from contract deposits, net	`PaymentsForProceedsFromContractDeposits`	$638.00M	USD	3 Qtrs
Proceeds from issuance of senior notes, net	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$2.23B	USD	3 Qtrs
Proceeds from issuance of senior notes, net	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$2.23B	USD	3 Qtrs
Proceeds from issuance of senior notes, net	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$1.48B	USD	3 Qtrs
Proceeds from issuance of senior notes, net	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$1.48B	USD	3 Qtrs
Repayments of senior notes	`RepaymentsOfSeniorDebt`	$48.00M	USD	3 Qtrs
Repayments of senior notes	`RepaymentsOfSeniorDebt`	$48.00M	USD	3 Qtrs
Repayments of senior notes	`RepaymentsOfSeniorDebt`	$771.00M	USD	3 Qtrs
Repayments of senior notes	`RepaymentsOfSeniorDebt`	$771.00M	USD	3 Qtrs
Repayments from issuance of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-5.00M	USD	3 Qtrs
Repayments from issuance of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-5.00M	USD	3 Qtrs
Repayments from issuance of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-895.00M	USD	3 Qtrs
Repayments from issuance of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-895.00M	USD	3 Qtrs
Debt issue costs	`PaymentsOfDebtIssuanceCosts`	$7.00M	USD	3 Qtrs
Debt issue costs	`PaymentsOfDebtIssuanceCosts`	$7.00M	USD	3 Qtrs
Debt issue costs	`PaymentsOfDebtIssuanceCosts`	$5.00M	USD	3 Qtrs
Debt issue costs	`PaymentsOfDebtIssuanceCosts`	$5.00M	USD	3 Qtrs
Change in book overdraft	`IncreaseDecreaseInBookOverdrafts`	$-95.00M	USD	3 Qtrs
Change in book overdraft	`IncreaseDecreaseInBookOverdrafts`	$3.00M	USD	3 Qtrs
Change in book overdraft	`IncreaseDecreaseInBookOverdrafts`	$3.00M	USD	3 Qtrs
Change in book overdraft	`IncreaseDecreaseInBookOverdrafts`	$-95.00M	USD	3 Qtrs
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$109.00M	USD	3 Qtrs
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$109.00M	USD	3 Qtrs
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$768.00M	USD	3 Qtrs
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$768.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividends`	$321.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividends`	$323.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividends`	$323.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividends`	$321.00M	USD	3 Qtrs
Changes in securities lending payable	`IncreaseDecreaseInSecuritiesLendingPayable`	$141.00M	USD	3 Qtrs
Changes in securities lending payable	`IncreaseDecreaseInSecuritiesLendingPayable`	$141.00M	USD	3 Qtrs
Changes in securities lending payable	`IncreaseDecreaseInSecuritiesLendingPayable`	$361.00M	USD	3 Qtrs
Changes in securities lending payable	`IncreaseDecreaseInSecuritiesLendingPayable`	$361.00M	USD	3 Qtrs
Changes in rebate factor payable	`IncreaseDecreaseInRebateFactorPayable`	$-123.00M	USD	3 Qtrs
Changes in rebate factor payable	`IncreaseDecreaseInRebateFactorPayable`	$-123.00M	USD	3 Qtrs
Changes in rebate factor payable	`IncreaseDecreaseInRebateFactorPayable`	-	USD	3 Qtrs
Changes in rebate factor payable	`IncreaseDecreaseInRebateFactorPayable`	-	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-100.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-100.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-76.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-76.00M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-183.00M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-183.00M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.05B	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.05B	USD	3 Qtrs
Increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$3.17B	USD	3 Qtrs
Increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$422.00M	USD	3 Qtrs
Increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$422.00M	USD	3 Qtrs
Increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$3.17B	USD	3 Qtrs
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.39B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.22B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.22B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.39B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.12B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.69B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.69B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.12B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.39B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.39B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.22B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.22B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.69B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.12B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.69B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.12B	USD	Point-in-time
Interest payments	`InterestPaidNet`	$416.00M	USD	3 Qtrs
Interest payments	`InterestPaidNet`	$416.00M	USD	3 Qtrs
Interest payments	`InterestPaidNet`	$440.00M	USD	3 Qtrs
Interest payments	`InterestPaidNet`	$440.00M	USD	3 Qtrs
Income tax payments, net	`IncomeTaxesPaidNet`	$570.00M	USD	3 Qtrs
Income tax payments, net	`IncomeTaxesPaidNet`	$570.00M	USD	3 Qtrs
Income tax payments, net	`IncomeTaxesPaidNet`	$151.00M	USD	3 Qtrs
Income tax payments, net	`IncomeTaxesPaidNet`	$151.00M	USD	3 Qtrs
Fair value of assets acquired, net of cash and cash equivalents acquired	`FairValueOfAssetsAcquired`	$6.00M	USD	3 Qtrs
Fair value of assets acquired, net of cash and cash equivalents acquired	`FairValueOfAssetsAcquired`	$49.00M	USD	3 Qtrs
Fair value of assets acquired, net of cash and cash equivalents acquired	`FairValueOfAssetsAcquired`	$49.00M	USD	3 Qtrs
Fair value of assets acquired, net of cash and cash equivalents acquired	`FairValueOfAssetsAcquired`	$6.00M	USD	3 Qtrs
Less: Fair value of liabilities assumed	`LiabilitiesAssumed1`	$1.00M	USD	3 Qtrs
Less: Fair value of liabilities assumed	`LiabilitiesAssumed1`	$1.00M	USD	3 Qtrs
Less: Fair value of liabilities assumed	`LiabilitiesAssumed1`	$12.00M	USD	3 Qtrs
Less: Fair value of liabilities assumed	`LiabilitiesAssumed1`	$12.00M	USD	3 Qtrs
Cash paid for acquired businesses, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$37.00M	USD	3 Qtrs
Cash paid for acquired businesses, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$5.00M	USD	3 Qtrs
Cash paid for acquired businesses, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$37.00M	USD	3 Qtrs
Cash paid for acquired businesses, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$5.00M	USD	3 Qtrs

Stockholders Equity 78 line items

Line Item	Tag	Value	Unit	Period
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.32B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.32B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.73B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.73B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.62B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.62B	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`	$18.30B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$18.30B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$18.58B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$18.58B	USD	Point-in-time
Net income	`ProfitLoss`	$1.98B	USD	3 Qtrs
Net income	`ProfitLoss`	$194.00M	USD	1 Quarter
Net income	`ProfitLoss`	$194.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.98B	USD	3 Qtrs
Net income	`ProfitLoss`	$1.90B	USD	3 Qtrs
Net income	`ProfitLoss`	$480.00M	USD	1 Quarter
Net income	`ProfitLoss`	$480.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.90B	USD	3 Qtrs
Distribution from (to) noncontrolling interest holders, net	`NoncontrollingInterestIncreaseDecreaseFromContributionsOrDistributionsFromToNoncontrollingInterestHolders`	$2.00M	USD	1 Quarter
Distribution from (to) noncontrolling interest holders, net	`NoncontrollingInterestIncreaseDecreaseFromContributionsOrDistributionsFromToNoncontrollingInterestHolders`	$2.00M	USD	1 Quarter
Distribution from (to) noncontrolling interest holders, net	`NoncontrollingInterestIncreaseDecreaseFromContributionsOrDistributionsFromToNoncontrollingInterestHolders`	$6.00M	USD	3 Qtrs
Distribution from (to) noncontrolling interest holders, net	`NoncontrollingInterestIncreaseDecreaseFromContributionsOrDistributionsFromToNoncontrollingInterestHolders`	$6.00M	USD	3 Qtrs
Distribution from (to) noncontrolling interest holders, net	`NoncontrollingInterestIncreaseDecreaseFromContributionsOrDistributionsFromToNoncontrollingInterestHolders`	$-5.00M	USD	3 Qtrs
Distribution from (to) noncontrolling interest holders, net	`NoncontrollingInterestIncreaseDecreaseFromContributionsOrDistributionsFromToNoncontrollingInterestHolders`	$-5.00M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$401.00M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$401.00M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$117.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$117.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$469.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$346.00M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$469.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$346.00M	USD	3 Qtrs
Common stock repurchases	`TreasuryStockValueAcquiredCostMethod`	$110.00M	USD	3 Qtrs
Common stock repurchases	`TreasuryStockValueAcquiredCostMethod`	$110.00M	USD	3 Qtrs
Common stock repurchases	`TreasuryStockValueAcquiredCostMethod`	$1.00M	USD	1 Quarter
Common stock repurchases	`TreasuryStockValueAcquiredCostMethod`	$1.00M	USD	1 Quarter
Common stock repurchases	`TreasuryStockValueAcquiredCostMethod`	$774.00M	USD	3 Qtrs
Common stock repurchases	`TreasuryStockValueAcquiredCostMethod`	$1.00M	USD	1 Quarter
Common stock repurchases	`TreasuryStockValueAcquiredCostMethod`	$1.00M	USD	1 Quarter
Common stock repurchases	`TreasuryStockValueAcquiredCostMethod`	$774.00M	USD	3 Qtrs
Dividends and dividend equivalents	`DividendsCommonStockCash`	$107.00M	USD	1 Quarter
Dividends and dividend equivalents	`DividendsCommonStockCash`	$107.00M	USD	1 Quarter
Dividends and dividend equivalents	`DividendsCommonStockCash`	$322.00M	USD	3 Qtrs
Dividends and dividend equivalents	`DividendsCommonStockCash`	$322.00M	USD	3 Qtrs
Dividends and dividend equivalents	`DividendsCommonStockCash`	$106.00M	USD	1 Quarter
Dividends and dividend equivalents	`DividendsCommonStockCash`	$106.00M	USD	1 Quarter
Dividends and dividend equivalents	`DividendsCommonStockCash`	$321.00M	USD	3 Qtrs
Dividends and dividend equivalents	`DividendsCommonStockCash`	$321.00M	USD	3 Qtrs
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$193.00M	USD	3 Qtrs
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$193.00M	USD	3 Qtrs
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$83.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$83.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$153.00M	USD	3 Qtrs
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$53.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$53.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$153.00M	USD	3 Qtrs
Restricted stock unit vesting	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	1 Quarter
Restricted stock unit vesting	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	1 Quarter
Restricted stock unit vesting	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	1 Quarter
Restricted stock unit vesting	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	3 Qtrs
Restricted stock unit vesting	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	3 Qtrs
Restricted stock unit vesting	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	1 Quarter
Restricted stock unit vesting	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	3 Qtrs
Restricted stock unit vesting	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	3 Qtrs
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.45B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.45B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$18.30B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$18.30B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.62B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$18.58B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.73B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.73B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.32B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.32B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.62B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$18.58B	USD	Point-in-time

Comprehensive Income 72 line items

Line Item	Tag	Value	Unit	Period
Net income attributable to Humana	`NetIncomeLoss`	$480.00M	USD	1 Quarter
Net income attributable to Humana	`NetIncomeLoss`	$480.00M	USD	1 Quarter
Net income attributable to Humana	`NetIncomeLoss`	$1.90B	USD	3 Qtrs
Net income attributable to Humana	`NetIncomeLoss`	$1.90B	USD	3 Qtrs
Net income attributable to Humana	`NetIncomeLoss`	$195.00M	USD	1 Quarter
Net income attributable to Humana	`NetIncomeLoss`	$195.00M	USD	1 Quarter
Net income attributable to Humana	`NetIncomeLoss`	$1.98B	USD	3 Qtrs
Net income attributable to Humana	`NetIncomeLoss`	$1.98B	USD	3 Qtrs
Change in gross unrealized investment gains (losses)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$570.00M	USD	3 Qtrs
Change in gross unrealized investment gains (losses)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$570.00M	USD	3 Qtrs
Change in gross unrealized investment gains (losses)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$195.00M	USD	1 Quarter
Change in gross unrealized investment gains (losses)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$195.00M	USD	1 Quarter
Change in gross unrealized investment gains (losses)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$619.00M	USD	1 Quarter
Change in gross unrealized investment gains (losses)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$458.00M	USD	3 Qtrs
Change in gross unrealized investment gains (losses)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$619.00M	USD	1 Quarter
Change in gross unrealized investment gains (losses)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$458.00M	USD	3 Qtrs
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$45.00M	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$130.00M	USD	3 Qtrs
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$130.00M	USD	3 Qtrs
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$45.00M	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$142.00M	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$104.00M	USD	3 Qtrs
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$142.00M	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$104.00M	USD	3 Qtrs
Total change in unrealized investment gains (losses), net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$477.00M	USD	1 Quarter
Total change in unrealized investment gains (losses), net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$477.00M	USD	1 Quarter
Total change in unrealized investment gains (losses), net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$354.00M	USD	3 Qtrs
Total change in unrealized investment gains (losses), net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$354.00M	USD	3 Qtrs
Total change in unrealized investment gains (losses), net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$150.00M	USD	1 Quarter
Total change in unrealized investment gains (losses), net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$150.00M	USD	1 Quarter
Total change in unrealized investment gains (losses), net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$440.00M	USD	3 Qtrs
Total change in unrealized investment gains (losses), net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$440.00M	USD	3 Qtrs
Reclassification adjustment for net realized (losses) gains	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$44.00M	USD	1 Quarter
Reclassification adjustment for net realized (losses) gains	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$51.00M	USD	3 Qtrs
Reclassification adjustment for net realized (losses) gains	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$51.00M	USD	3 Qtrs
Reclassification adjustment for net realized (losses) gains	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$44.00M	USD	1 Quarter
Reclassification adjustment for net realized (losses) gains	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$10.00M	USD	3 Qtrs
Reclassification adjustment for net realized (losses) gains	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$10.00M	USD	3 Qtrs
Reclassification adjustment for net realized (losses) gains	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$10.00M	USD	1 Quarter
Reclassification adjustment for net realized (losses) gains	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$10.00M	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$2.00M	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$2.00M	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$2.00M	USD	3 Qtrs
Effect of income taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$2.00M	USD	3 Qtrs
Effect of income taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$11.00M	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$11.00M	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$12.00M	USD	3 Qtrs
Effect of income taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$12.00M	USD	3 Qtrs
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$39.00M	USD	3 Qtrs
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$33.00M	USD	1 Quarter
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$33.00M	USD	1 Quarter
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$39.00M	USD	3 Qtrs
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$8.00M	USD	3 Qtrs
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$8.00M	USD	1 Quarter
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$8.00M	USD	1 Quarter
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$8.00M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$401.00M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$401.00M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$117.00M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$117.00M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$346.00M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$469.00M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$469.00M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$346.00M	USD	3 Qtrs
Comprehensive income attributable to Humana	`ComprehensiveIncomeNetOfTax`	$2.38B	USD	3 Qtrs
Comprehensive income attributable to Humana	`ComprehensiveIncomeNetOfTax`	$949.00M	USD	1 Quarter
Comprehensive income attributable to Humana	`ComprehensiveIncomeNetOfTax`	$949.00M	USD	1 Quarter
Comprehensive income attributable to Humana	`ComprehensiveIncomeNetOfTax`	$2.25B	USD	3 Qtrs
Comprehensive income attributable to Humana	`ComprehensiveIncomeNetOfTax`	$2.25B	USD	3 Qtrs
Comprehensive income attributable to Humana	`ComprehensiveIncomeNetOfTax`	$312.00M	USD	1 Quarter
Comprehensive income attributable to Humana	`ComprehensiveIncomeNetOfTax`	$312.00M	USD	1 Quarter
Comprehensive income attributable to Humana	`ComprehensiveIncomeNetOfTax`	$2.38B	USD	3 Qtrs

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