10-Q Filing

HUMANA INC CIK: 49071 Q3 2024

Filing Information

Form Type	10-Q
Accession Number	`0000049071-24-000055`
Period End Date	20240930
Filing Date	20241030
Fiscal Year	2024
Fiscal Period	Q3
XBRL Instance	hum-20240930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 168 Income Statement 152 Cash Flow Statement 180 Stockholders Equity 84 Comprehensive Income 72

Balance Sheet 168 line items

Line Item	Tag	Value	Unit	Period
Receivables, net of allowances	`AllowanceForDoubtfulAccountsReceivableCurrent`	$93.00M	USD	Point-in-time
Receivables, net of allowances	`AllowanceForDoubtfulAccountsReceivableCurrent`	$93.00M	USD	Point-in-time
Receivables, net of allowances	`AllowanceForDoubtfulAccountsReceivableCurrent`	$88.00M	USD	Point-in-time
Receivables, net of allowances	`AllowanceForDoubtfulAccountsReceivableCurrent`	$88.00M	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
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$5.12B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$5.12B	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$4.69B	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$4.69B	USD	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Investment securities	`ShortTermInvestments`	$19.03B	USD	Point-in-time
Investment securities	`ShortTermInvestments`	$19.03B	USD	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Investment securities	`ShortTermInvestments`	$16.63B	USD	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Investment securities	`ShortTermInvestments`	$16.63B	USD	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Receivables, net of allowances of $93 in 2024 and $88 in 2023	`ReceivablesNetCurrent`	$2.04B	USD	Point-in-time
Receivables, net of allowances of $93 in 2024 and $88 in 2023	`ReceivablesNetCurrent`	$2.04B	USD	Point-in-time
Receivables, net of allowances of $93 in 2024 and $88 in 2023	`ReceivablesNetCurrent`	$2.14B	USD	Point-in-time
Receivables, net of allowances of $93 in 2024 and $88 in 2023	`ReceivablesNetCurrent`	$2.14B	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
Common stock, par (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.17	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$6.63B	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$6.63B	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$6.63B	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$6.63B	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	198.72M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	198.69M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	198.69M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$32.93B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$32.93B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$29.99B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$29.99B	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	198.72M	shares	Point-in-time
Treasury stock, shares (in shares)	`TreasuryStockCommonShares`	76.47M	shares	Point-in-time
Treasury stock, shares (in shares)	`TreasuryStockCommonShares`	76.47M	shares	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$2.69B	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$2.69B	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$3.03B	USD	Point-in-time
Treasury stock, shares (in shares)	`TreasuryStockCommonShares`	78.31M	shares	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$3.03B	USD	Point-in-time
Treasury stock, shares (in shares)	`TreasuryStockCommonShares`	78.31M	shares	Point-in-time
Long-term investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$400.00M	USD	Point-in-time
Long-term investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$400.00M	USD	Point-in-time
Long-term investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$382.00M	USD	Point-in-time
Long-term investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$382.00M	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$729.00M	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$729.00M	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$740.00M	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$740.00M	USD	Point-in-time
Goodwill	`Goodwill`	$9.55B	USD	Point-in-time
Goodwill	`Goodwill`	$9.59B	USD	Point-in-time
Goodwill	`Goodwill`	$9.59B	USD	Point-in-time
Goodwill	`Goodwill`	$9.55B	USD	Point-in-time
Other long-term assets	`OtherAssetsNoncurrent`	$3.67B	USD	Point-in-time
Other long-term assets	`OtherAssetsNoncurrent`	$3.67B	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`	$50.01B	USD	Point-in-time
Total assets	`Assets`	$47.06B	USD	Point-in-time
Total assets	`Assets`	$47.06B	USD	Point-in-time
Total assets	`Assets`	$50.01B	USD	Point-in-time
Benefits payable	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$11.12B	USD	Point-in-time
Benefits payable	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$9.26B	USD	Point-in-time
Benefits payable	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$11.12B	USD	Point-in-time
Benefits payable	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$9.26B	USD	Point-in-time
Benefits payable	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$10.20B	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`	$10.20B	USD	Point-in-time
Trade accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$5.92B	USD	Point-in-time
Trade accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$5.92B	USD	Point-in-time
Trade accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$6.57B	USD	Point-in-time
Trade accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$6.57B	USD	Point-in-time
Book overdraft	`BookOverdraftLiability`	$353.00M	USD	Point-in-time
Book overdraft	`BookOverdraftLiability`	$353.00M	USD	Point-in-time
Book overdraft	`BookOverdraftLiability`	$356.00M	USD	Point-in-time
Book overdraft	`BookOverdraftLiability`	$356.00M	USD	Point-in-time
Unearned revenues	`ContractWithCustomerLiabilityCurrent`	$266.00M	USD	Point-in-time
Unearned revenues	`ContractWithCustomerLiabilityCurrent`	$266.00M	USD	Point-in-time
Unearned revenues	`ContractWithCustomerLiabilityCurrent`	$195.00M	USD	Point-in-time
Unearned revenues	`ContractWithCustomerLiabilityCurrent`	$195.00M	USD	Point-in-time
Short-term debt	`DebtCurrent`	$1.44B	USD	Point-in-time
Short-term debt	`DebtCurrent`	$1.44B	USD	Point-in-time
Short-term debt	`DebtCurrent`	$1.14B	USD	Point-in-time
Short-term debt	`DebtCurrent`	$1.14B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$18.87B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$18.87B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$18.73B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$18.73B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$11.89B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$11.89B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$10.21B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$10.21B	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$1.77B	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$1.66B	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$1.66B	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$1.77B	USD	Point-in-time
Total liabilities	`Liabilities`	$30.75B	USD	Point-in-time
Total liabilities	`Liabilities`	$30.75B	USD	Point-in-time
Total liabilities	`Liabilities`	$32.38B	USD	Point-in-time
Total liabilities	`Liabilities`	$32.38B	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; 198,718,810 shares issued at September 30, 2024 and 198,690,082 shares issued at December 31, 2023	`CommonStockValue`	$33.00M	USD	Point-in-time
Common stock, $0.16 2/3 par; 300,000,000 shares authorized; 198,718,810 shares issued at September 30, 2024 and 198,690,082 shares issued at December 31, 2023	`CommonStockValue`	$33.00M	USD	Point-in-time
Common stock, $0.16 2/3 par; 300,000,000 shares authorized; 198,718,810 shares issued at September 30, 2024 and 198,690,082 shares issued at December 31, 2023	`CommonStockValue`	$33.00M	USD	Point-in-time
Common stock, $0.16 2/3 par; 300,000,000 shares authorized; 198,718,810 shares issued at September 30, 2024 and 198,690,082 shares issued at December 31, 2023	`CommonStockValue`	$33.00M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$3.35B	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$3.35B	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$3.47B	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$3.47B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$27.54B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$27.54B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$29.12B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$29.12B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-653.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-653.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-999.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-999.00M	USD	Point-in-time
Treasury stock, at cost, 78,307,467 shares at September 30, 2024 and 76,465,862 shares at December 31, 2023	`TreasuryStockCommonValue`	$13.66B	USD	Point-in-time
Treasury stock, at cost, 78,307,467 shares at September 30, 2024 and 76,465,862 shares at December 31, 2023	`TreasuryStockCommonValue`	$13.66B	USD	Point-in-time
Treasury stock, at cost, 78,307,467 shares at September 30, 2024 and 76,465,862 shares at December 31, 2023	`TreasuryStockCommonValue`	$14.40B	USD	Point-in-time
Treasury stock, at cost, 78,307,467 shares at September 30, 2024 and 76,465,862 shares at December 31, 2023	`TreasuryStockCommonValue`	$14.40B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$17.57B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$17.57B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$16.26B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$16.26B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$59.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$59.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$56.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$56.00M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.73B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.89B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.62B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.62B	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`	$17.00B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.89B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.00B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$15.37B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$15.37B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.73B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$50.01B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$47.06B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$50.01B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$47.06B	USD	Point-in-time

Income Statement 152 line items

Line Item	Tag	Value	Unit	Period
Premiums	`PremiumsEarnedNet`	$25.10B	USD	1 Quarter
Premiums	`PremiumsEarnedNet`	$25.10B	USD	1 Quarter
Premiums	`PremiumsEarnedNet`	$84.35B	USD	3 Qtrs
Premiums	`PremiumsEarnedNet`	$84.35B	USD	3 Qtrs
Premiums	`PremiumsEarnedNet`	$27.95B	USD	1 Quarter
Premiums	`PremiumsEarnedNet`	$27.95B	USD	1 Quarter
Premiums	`PremiumsEarnedNet`	$76.14B	USD	3 Qtrs
Premiums	`PremiumsEarnedNet`	$76.14B	USD	3 Qtrs
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$3.27B	USD	3 Qtrs
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$3.27B	USD	3 Qtrs
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$1.10B	USD	1 Quarter
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$1.10B	USD	1 Quarter
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$1.02B	USD	1 Quarter
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$2.99B	USD	3 Qtrs
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$1.02B	USD	1 Quarter
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$2.99B	USD	3 Qtrs
Investment income	`InvestmentIncomeInterestAndDividend`	$929.00M	USD	3 Qtrs
Investment income	`InvestmentIncomeInterestAndDividend`	$308.00M	USD	1 Quarter
Investment income	`InvestmentIncomeInterestAndDividend`	$308.00M	USD	1 Quarter
Investment income	`InvestmentIncomeInterestAndDividend`	$929.00M	USD	3 Qtrs
Investment income	`InvestmentIncomeInterestAndDividend`	$775.00M	USD	3 Qtrs
Investment income	`InvestmentIncomeInterestAndDividend`	$343.00M	USD	1 Quarter
Investment income	`InvestmentIncomeInterestAndDividend`	$775.00M	USD	3 Qtrs
Investment income	`InvestmentIncomeInterestAndDividend`	$343.00M	USD	1 Quarter
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`	$26.42B	USD	1 Quarter
Total revenues	`Revenues`	$26.42B	USD	1 Quarter
Total revenues	`Revenues`	$79.91B	USD	3 Qtrs
Total revenues	`Revenues`	$79.91B	USD	3 Qtrs
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$75.28B	USD	3 Qtrs
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$75.28B	USD	3 Qtrs
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$65.61B	USD	3 Qtrs
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$65.61B	USD	3 Qtrs
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$21.75B	USD	1 Quarter
Benefits	`PolicyholderBenefitsAndClaimsIncurredNet`	$21.75B	USD	1 Quarter
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`	$3.27B	USD	1 Quarter
Operating costs	`SellingGeneralAndAdministrativeExpense`	$3.27B	USD	1 Quarter
Operating costs	`SellingGeneralAndAdministrativeExpense`	$9.36B	USD	3 Qtrs
Operating costs	`SellingGeneralAndAdministrativeExpense`	$9.36B	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
Depreciation and amortization	`DepreciationAndAmortization`	$201.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$578.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$578.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$201.00M	USD	1 Quarter
Total operating expenses	`BenefitsLossesAndExpenses`	$25.22B	USD	1 Quarter
Total operating expenses	`BenefitsLossesAndExpenses`	$85.44B	USD	3 Qtrs
Total operating expenses	`BenefitsLossesAndExpenses`	$85.44B	USD	3 Qtrs
Total operating expenses	`BenefitsLossesAndExpenses`	$25.22B	USD	1 Quarter
Total operating expenses	`BenefitsLossesAndExpenses`	$75.55B	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`	$75.55B	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$4.36B	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$4.36B	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$728.00M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$728.00M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$3.10B	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$3.10B	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$1.21B	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$1.21B	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$496.00M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$114.00M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$114.00M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$496.00M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$347.00M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$347.00M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$169.00M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$169.00M	USD	1 Quarter
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$92.00M	USD	1 Quarter
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$92.00M	USD	1 Quarter
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$-26.00M	USD	3 Qtrs
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$-26.00M	USD	3 Qtrs
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$-40.00M	USD	3 Qtrs
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$-40.00M	USD	3 Qtrs
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$6.00M	USD	1 Quarter
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$6.00M	USD	1 Quarter
Income (loss) before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$651.00M	USD	1 Quarter
Income (loss) before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$651.00M	USD	1 Quarter
Income (loss) before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$2.58B	USD	3 Qtrs
Income (loss) before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$2.58B	USD	3 Qtrs
Income (loss) before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$1.10B	USD	1 Quarter
Income (loss) before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$3.97B	USD	3 Qtrs
Income (loss) before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$1.10B	USD	1 Quarter
Income (loss) before income taxes and equity in net losses	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$3.97B	USD	3 Qtrs
Provision for income taxes	`IncomeTaxExpenseBenefit`	$629.00M	USD	3 Qtrs
Provision for income taxes	`IncomeTaxExpenseBenefit`	$911.00M	USD	3 Qtrs
Provision for income taxes	`IncomeTaxExpenseBenefit`	$911.00M	USD	3 Qtrs
Provision for income taxes	`IncomeTaxExpenseBenefit`	$629.00M	USD	3 Qtrs
Provision for income taxes	`IncomeTaxExpenseBenefit`	$256.00M	USD	1 Quarter
Provision for income taxes	`IncomeTaxExpenseBenefit`	$155.00M	USD	1 Quarter
Provision for income taxes	`IncomeTaxExpenseBenefit`	$256.00M	USD	1 Quarter
Provision for income taxes	`IncomeTaxExpenseBenefit`	$155.00M	USD	1 Quarter
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`	$-12.00M	USD	1 Quarter
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-12.00M	USD	1 Quarter
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-57.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-57.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-39.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-39.00M	USD	3 Qtrs
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`	$480.00M	USD	1 Quarter
Net income	`ProfitLoss`	$830.00M	USD	1 Quarter
Net income	`ProfitLoss`	$3.02B	USD	3 Qtrs
Net income	`ProfitLoss`	$3.02B	USD	3 Qtrs
Net income	`ProfitLoss`	$830.00M	USD	1 Quarter
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-2.00M	USD	1 Quarter
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-2.00M	USD	1 Quarter
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`	$-6.00M	USD	3 Qtrs
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-6.00M	USD	3 Qtrs
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`	$832.00M	USD	1 Quarter
Net income attributable to Humana	`NetIncomeLoss`	$832.00M	USD	1 Quarter
Net income attributable to Humana	`NetIncomeLoss`	$3.03B	USD	3 Qtrs
Net income attributable to Humana	`NetIncomeLoss`	$3.03B	USD	3 Qtrs
Net income attributable to Humana	`NetIncomeLoss`	$1.90B	USD	3 Qtrs
Net income attributable to Humana	`NetIncomeLoss`	$1.90B	USD	3 Qtrs
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$6.74	USD	1 Quarter
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$6.74	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`	$3.99	USD	1 Quarter
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`	$15.76	USD	3 Qtrs
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$24.37	USD	3 Qtrs
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$24.37	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`	$24.26	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`	$6.71	USD	1 Quarter
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$6.71	USD	1 Quarter
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$24.26	USD	3 Qtrs
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$15.72	USD	3 Qtrs

Cash Flow Statement 180 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$3.02B	USD	3 Qtrs
Net income	`ProfitLoss`	$3.02B	USD	3 Qtrs
Net income	`ProfitLoss`	$830.00M	USD	1 Quarter
Net income	`ProfitLoss`	$830.00M	USD	1 Quarter
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
(Gain) loss on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$-4.00M	USD	1 Quarter
(Gain) loss on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$-4.00M	USD	1 Quarter
(Gain) loss on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$10.00M	USD	1 Quarter
(Gain) loss on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$10.00M	USD	1 Quarter
(Gain) loss on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$-49.00M	USD	3 Qtrs
(Gain) loss on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$10.00M	USD	3 Qtrs
(Gain) loss on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$-49.00M	USD	3 Qtrs
(Gain) loss on investment securities, net	`DebtAndEquitySecuritiesGainLoss`	$10.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-57.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-39.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-57.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-39.00M	USD	3 Qtrs
Equity in net losses	`IncomeLossFromEquityMethodInvestments`	$-12.00M	USD	1 Quarter
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`	$-12.00M	USD	1 Quarter
Stock-based compensation	`ShareBasedCompensation`	$153.00M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$153.00M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$142.00M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$142.00M	USD	3 Qtrs
Depreciation	`Depreciation`	$682.00M	USD	3 Qtrs
Depreciation	`Depreciation`	$682.00M	USD	3 Qtrs
Depreciation	`Depreciation`	$628.00M	USD	3 Qtrs
Depreciation	`Depreciation`	$628.00M	USD	3 Qtrs
Amortization	`AdjustmentForAmortization`	$46.00M	USD	3 Qtrs
Amortization	`AdjustmentForAmortization`	$46.00M	USD	3 Qtrs
Amortization	`AdjustmentForAmortization`	$51.00M	USD	3 Qtrs
Amortization	`AdjustmentForAmortization`	$51.00M	USD	3 Qtrs
Impairment of property and equipment	`TangibleAssetImpairmentCharges`	$31.00M	USD	3 Qtrs
Impairment of property and equipment	`TangibleAssetImpairmentCharges`	$31.00M	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
Receivables	`IncreaseDecreaseInReceivables`	$126.00M	USD	3 Qtrs
Receivables	`IncreaseDecreaseInReceivables`	$126.00M	USD	3 Qtrs
Receivables	`IncreaseDecreaseInReceivables`	$109.00M	USD	3 Qtrs
Receivables	`IncreaseDecreaseInReceivables`	$109.00M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-258.00M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-258.00M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$935.00M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$935.00M	USD	3 Qtrs
Benefits payable	`IncreaseDecreaseInHealthCareInsuranceLiabilities`	$870.00M	USD	3 Qtrs
Benefits payable	`IncreaseDecreaseInHealthCareInsuranceLiabilities`	$870.00M	USD	3 Qtrs
Benefits payable	`IncreaseDecreaseInHealthCareInsuranceLiabilities`	$884.00M	USD	3 Qtrs
Benefits payable	`IncreaseDecreaseInHealthCareInsuranceLiabilities`	$884.00M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-498.00M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$39.00M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$39.00M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-498.00M	USD	3 Qtrs
Unearned revenues	`IncreaseDecreaseInContractWithCustomerLiability`	$7.25B	USD	3 Qtrs
Unearned revenues	`IncreaseDecreaseInContractWithCustomerLiability`	$7.25B	USD	3 Qtrs
Unearned revenues	`IncreaseDecreaseInContractWithCustomerLiability`	$-71.00M	USD	3 Qtrs
Unearned revenues	`IncreaseDecreaseInContractWithCustomerLiability`	$-71.00M	USD	3 Qtrs
Other	`OtherOperatingActivitiesCashFlowStatement`	$53.00M	USD	3 Qtrs
Other	`OtherOperatingActivitiesCashFlowStatement`	$76.00M	USD	3 Qtrs
Other	`OtherOperatingActivitiesCashFlowStatement`	$76.00M	USD	3 Qtrs
Other	`OtherOperatingActivitiesCashFlowStatement`	$53.00M	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`	$11.12B	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$11.12B	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
Acquisitions, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$223.00M	USD	3 Qtrs
Acquisitions, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$223.00M	USD	3 Qtrs
Purchases of property and equipment, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$721.00M	USD	3 Qtrs
Purchases of property and equipment, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$721.00M	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 investment securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$6.40B	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$3.37B	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$3.37B	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$6.40B	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 maturities of investment securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$885.00M	USD	3 Qtrs
Proceeds from maturities of investment securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$885.00M	USD	3 Qtrs
Proceeds from sales of investment securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$815.00M	USD	3 Qtrs
Proceeds from sales of investment securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$1.76B	USD	3 Qtrs
Proceeds from sales of investment securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$815.00M	USD	3 Qtrs
Proceeds from sales of investment securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$1.76B	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.61B	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.61B	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.89B	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.89B	USD	3 Qtrs
(Payments) receipts from contract deposits, net	`PaymentsForProceedsFromContractDeposits`	$-2.48B	USD	3 Qtrs
(Payments) receipts from contract deposits, net	`PaymentsForProceedsFromContractDeposits`	$-2.48B	USD	3 Qtrs
(Payments) receipts from contract deposits, net	`PaymentsForProceedsFromContractDeposits`	$638.00M	USD	3 Qtrs
(Payments) receipts 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`	$1.22B	USD	3 Qtrs
Proceeds from issuance of senior notes, net	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$1.22B	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`	$1.72B	USD	3 Qtrs
Repayments of senior notes	`RepaymentsOfSeniorDebt`	$1.72B	USD	3 Qtrs
(Repayments) issuance of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$1.62B	USD	3 Qtrs
(Repayments) issuance of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-895.00M	USD	3 Qtrs
(Repayments) issuance of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-895.00M	USD	3 Qtrs
(Repayments) issuance of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$1.62B	USD	3 Qtrs
Repayment of term loan	`RepaymentsOfUnsecuredDebt`	$500.00M	USD	3 Qtrs
Repayment of term loan	`RepaymentsOfUnsecuredDebt`	$500.00M	USD	3 Qtrs
Repayment of term loan	`RepaymentsOfUnsecuredDebt`	-	USD	3 Qtrs
Repayment of term loan	`RepaymentsOfUnsecuredDebt`	-	USD	3 Qtrs
Debt issue costs	`PaymentsOfDebtIssuanceCosts`	$4.00M	USD	3 Qtrs
Debt issue costs	`PaymentsOfDebtIssuanceCosts`	$4.00M	USD	3 Qtrs
Debt issue costs	`PaymentsOfDebtIssuanceCosts`	$7.00M	USD	3 Qtrs
Debt issue costs	`PaymentsOfDebtIssuanceCosts`	$7.00M	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`	$-52.00M	USD	3 Qtrs
Change in book overdraft	`IncreaseDecreaseInBookOverdrafts`	$-52.00M	USD	3 Qtrs
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$768.00M	USD	3 Qtrs
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$768.00M	USD	3 Qtrs
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$1.00B	USD	3 Qtrs
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$1.00B	USD	3 Qtrs
Dividends paid	`PaymentsOfDividends`	$323.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividends`	$323.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividends`	$320.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividends`	$320.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$261.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-135.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-135.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$261.00M	USD	3 Qtrs
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-183.00M	USD	3 Qtrs
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-183.00M	USD	3 Qtrs
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.58B	USD	3 Qtrs
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.58B	USD	3 Qtrs
Increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$10.09B	USD	3 Qtrs
Increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$10.09B	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
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.12B	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`	$15.15B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$15.15B	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`	$5.06B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.06B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.69B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.06B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.06B	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`	$4.69B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$15.15B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$15.15B	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`	$5.12B	USD	Point-in-time
Interest payments	`InterestPaidNet`	$317.00M	USD	3 Qtrs
Interest payments	`InterestPaidNet`	$317.00M	USD	3 Qtrs
Interest payments	`InterestPaidNet`	$416.00M	USD	3 Qtrs
Interest payments	`InterestPaidNet`	$416.00M	USD	3 Qtrs
Income tax payments, net	`IncomeTaxesPaidNet`	$957.00M	USD	3 Qtrs
Income tax payments, net	`IncomeTaxesPaidNet`	$957.00M	USD	3 Qtrs
Income tax payments, net	`IncomeTaxesPaidNet`	$570.00M	USD	3 Qtrs
Income tax payments, net	`IncomeTaxesPaidNet`	$570.00M	USD	3 Qtrs
Fair value of assets acquired, net of cash and cash equivalents acquired	`FairValueOfAssetsAcquired`	$454.00M	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`	$454.00M	USD	3 Qtrs
Less: Fair value of liabilities assumed	`LiabilitiesAssumed1`	$236.00M	USD	3 Qtrs
Less: Fair value of liabilities assumed	`LiabilitiesAssumed1`	$236.00M	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
Less: Noncontrolling interests acquired	`NoncashOrPartNoncashAcquisitionNoncontrollingInterestAcquired`	-	USD	3 Qtrs
Less: Noncontrolling interests acquired	`NoncashOrPartNoncashAcquisitionNoncontrollingInterestAcquired`	$-5.00M	USD	3 Qtrs
Less: Noncontrolling interests acquired	`NoncashOrPartNoncashAcquisitionNoncontrollingInterestAcquired`	$-5.00M	USD	3 Qtrs
Less: Noncontrolling interests acquired	`NoncashOrPartNoncashAcquisitionNoncontrollingInterestAcquired`	-	USD	3 Qtrs
Cash paid for acquired businesses, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$223.00M	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`	$223.00M	USD	3 Qtrs
Cash paid for acquired businesses, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$37.00M	USD	3 Qtrs

Stockholders Equity 84 line items

Line Item	Tag	Value	Unit	Period
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$15.37B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$15.37B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.00B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.00B	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`	$16.32B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.32B	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`	$16.89B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.89B	USD	Point-in-time
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 income	`ProfitLoss`	$830.00M	USD	1 Quarter
Net income	`ProfitLoss`	$3.02B	USD	3 Qtrs
Net income	`ProfitLoss`	$3.02B	USD	3 Qtrs
Net income	`ProfitLoss`	$830.00M	USD	1 Quarter
Distributions from (to) noncontrolling interest holders, net	`NoncontrollingInterestIncreaseDecreaseFromContributionsOrDistributionsFromNoncontrollingInterestHolders`	$7.00M	USD	3 Qtrs
Distributions from (to) noncontrolling interest holders, net	`NoncontrollingInterestIncreaseDecreaseFromContributionsOrDistributionsFromNoncontrollingInterestHolders`	$7.00M	USD	3 Qtrs
Distributions from (to) noncontrolling interest holders, net	`NoncontrollingInterestIncreaseDecreaseFromContributionsOrDistributionsFromNoncontrollingInterestHolders`	$2.00M	USD	1 Quarter
Distributions from (to) noncontrolling interest holders, net	`NoncontrollingInterestIncreaseDecreaseFromContributionsOrDistributionsFromNoncontrollingInterestHolders`	$2.00M	USD	1 Quarter
Distributions from (to) noncontrolling interest holders, net	`NoncontrollingInterestIncreaseDecreaseFromContributionsOrDistributionsFromNoncontrollingInterestHolders`	$6.00M	USD	3 Qtrs
Distributions from (to) noncontrolling interest holders, net	`NoncontrollingInterestIncreaseDecreaseFromContributionsOrDistributionsFromNoncontrollingInterestHolders`	$6.00M	USD	3 Qtrs
Acquisition	`MinorityInterestDecreaseFromRedemptions`	$5.00M	USD	3 Qtrs
Acquisition	`MinorityInterestDecreaseFromRedemptions`	$5.00M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$469.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$469.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-277.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-277.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$346.00M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$346.00M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-199.00M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-199.00M	USD	3 Qtrs
Common stock repurchases	`TreasuryStockValueAcquiredCostMethod`	$1.01B	USD	3 Qtrs
Common stock repurchases	`TreasuryStockValueAcquiredCostMethod`	$1.01B	USD	3 Qtrs
Common stock repurchases	`TreasuryStockValueAcquiredCostMethod`	$774.00M	USD	3 Qtrs
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`	$383.00M	USD	1 Quarter
Common stock repurchases	`TreasuryStockValueAcquiredCostMethod`	$383.00M	USD	1 Quarter
Dividends and dividend equivalents	`DividendsCommonStockCash`	$331.00M	USD	3 Qtrs
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`	$331.00M	USD	3 Qtrs
Dividends and dividend equivalents	`DividendsCommonStockCash`	$107.00M	USD	1 Quarter
Dividends and dividend equivalents	`DividendsCommonStockCash`	$109.00M	USD	1 Quarter
Dividends and dividend equivalents	`DividendsCommonStockCash`	$109.00M	USD	1 Quarter
Dividends and dividend equivalents	`DividendsCommonStockCash`	$107.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$53.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$53.00M	USD	1 Quarter
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
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$153.00M	USD	3 Qtrs
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$142.00M	USD	3 Qtrs
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$142.00M	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
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	1 Quarter
Restricted stock unit vesting	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	3 Qtrs
Stock option exercises	`StockIssuedDuringPeriodValueStockOptionsExercised`	$7.00M	USD	3 Qtrs
Stock option exercises	`StockIssuedDuringPeriodValueStockOptionsExercised`	$7.00M	USD	3 Qtrs
Stock option exercises	`StockIssuedDuringPeriodValueStockOptionsExercised`	$-1.00M	USD	1 Quarter
Stock option exercises	`StockIssuedDuringPeriodValueStockOptionsExercised`	$-1.00M	USD	1 Quarter
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.62B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.62B	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`	$16.73B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.00B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$17.00B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$15.37B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$15.37B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.89B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.73B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.89B	USD	Point-in-time

Comprehensive Income 72 line items

Line Item	Tag	Value	Unit	Period
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`	$3.03B	USD	3 Qtrs
Net income attributable to Humana	`NetIncomeLoss`	$3.03B	USD	3 Qtrs
Net income attributable to Humana	`NetIncomeLoss`	$832.00M	USD	1 Quarter
Net income attributable to Humana	`NetIncomeLoss`	$832.00M	USD	1 Quarter
Net income attributable to Humana	`NetIncomeLoss`	$480.00M	USD	1 Quarter
Net income attributable to Humana	`NetIncomeLoss`	$480.00M	USD	1 Quarter
Change in gross unrealized investment (losses) gains	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$619.00M	USD	1 Quarter
Change in gross unrealized investment (losses) gains	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$619.00M	USD	1 Quarter
Change in gross unrealized investment (losses) gains	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-365.00M	USD	1 Quarter
Change in gross unrealized investment (losses) gains	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-365.00M	USD	1 Quarter
Change in gross unrealized investment (losses) gains	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-314.00M	USD	3 Qtrs
Change in gross unrealized investment (losses) gains	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$458.00M	USD	3 Qtrs
Change in gross unrealized investment (losses) gains	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-314.00M	USD	3 Qtrs
Change in gross unrealized investment (losses) gains	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$458.00M	USD	3 Qtrs
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-73.00M	USD	3 Qtrs
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$142.00M	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$142.00M	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-73.00M	USD	3 Qtrs
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-85.00M	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$104.00M	USD	3 Qtrs
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-85.00M	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$104.00M	USD	3 Qtrs
Total change in unrealized investment (losses) gains, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-241.00M	USD	3 Qtrs
Total change in unrealized investment (losses) gains, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-241.00M	USD	3 Qtrs
Total change in unrealized investment (losses) gains, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-280.00M	USD	1 Quarter
Total change in unrealized investment (losses) gains, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-280.00M	USD	1 Quarter
Total change in unrealized investment (losses) gains, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$477.00M	USD	1 Quarter
Total change in unrealized investment (losses) gains, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$477.00M	USD	1 Quarter
Total change in unrealized investment (losses) gains, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$354.00M	USD	3 Qtrs
Total change in unrealized investment (losses) gains, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$354.00M	USD	3 Qtrs
Reclassification adjustment for net realized losses (gains)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-56.00M	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	3 Qtrs
Reclassification adjustment for net realized losses (gains)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-56.00M	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
Reclassification adjustment for net realized losses (gains)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-3.00M	USD	1 Quarter
Reclassification adjustment for net realized losses (gains)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-3.00M	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`	-	USD	1 Quarter
Effect of income taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	-	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`	$-14.00M	USD	3 Qtrs
Effect of income taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$-14.00M	USD	3 Qtrs
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$8.00M	USD	1 Quarter
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-42.00M	USD	3 Qtrs
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-42.00M	USD	3 Qtrs
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$8.00M	USD	1 Quarter
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-3.00M	USD	1 Quarter
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$8.00M	USD	3 Qtrs
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$8.00M	USD	3 Qtrs
Total reclassification adjustment, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-3.00M	USD	1 Quarter
Other comprehensive (loss) income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-199.00M	USD	3 Qtrs
Other comprehensive (loss) income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-199.00M	USD	3 Qtrs
Other comprehensive (loss) income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$346.00M	USD	3 Qtrs
Other comprehensive (loss) income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$346.00M	USD	3 Qtrs
Other comprehensive (loss) income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-277.00M	USD	1 Quarter
Other comprehensive (loss) income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$469.00M	USD	1 Quarter
Other comprehensive (loss) income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$469.00M	USD	1 Quarter
Other comprehensive (loss) income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-277.00M	USD	1 Quarter
Comprehensive income attributable to Humana	`ComprehensiveIncomeNetOfTax`	$2.25B	USD	3 Qtrs
Comprehensive income attributable to Humana	`ComprehensiveIncomeNetOfTax`	$555.00M	USD	1 Quarter
Comprehensive income attributable to Humana	`ComprehensiveIncomeNetOfTax`	$555.00M	USD	1 Quarter
Comprehensive income attributable to Humana	`ComprehensiveIncomeNetOfTax`	$2.83B	USD	3 Qtrs
Comprehensive income attributable to Humana	`ComprehensiveIncomeNetOfTax`	$2.83B	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

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