XML 93 R73.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Parenthetical) (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Equity [Abstract] |  |  |
Unrealized gains (losses) on available-for-sale securities, tax benefit | $ 3 |  |
Unrealized gains (losses) on available-for-sale securities, tax expense |  | $ 3 | $ 4
Foreign currency translation adjustments, income tax benefit | 2 |  |
Foreign currency translation adjustments, income tax expense |  | 6 | 5
Defined benefit plans, income tax benefit |  | 16 | 14
Defined benefit plans, income tax expense | 20 |  |
Change in fair value of derivative instruments, income tax benefit |  | 15 | 13
Defined benefit plans, benefit reclassified into operations from other comprehensive income | 7 | 6 | 3
Interest expense on derivative instruments, benefit reclassified into operations from other comprehensive income | $ 8 | $ 5 |
Interest benefit on derivative instruments, expense reclassified into operations from other comprehensive income |  |  | $ 3

X
- Definition Other comprehensive income defined benefit plans net unamortized gain arising during period tax expense. + References No definition available. + Details
Name: | hca_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainArisingDuringPeriodTaxExpense
Namespace Prefix: | hca_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other comprehensive income defined benefit plans net unamortized loss arising during period tax benefit. + References No definition available. + Details
Name: | hca_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedLossArisingDuringPeriodTaxBenefit
Namespace Prefix: | hca_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Other comprehensive income foreign currency translation adjustment tax expense. + References No definition available. + Details
Name: | hca_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxExpense
Namespace Prefix: | hca_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other comprehensive income reclassified defined benefit plans net unamortized loss arising during period tax benefit. + References No definition available. + Details
Name: | hca_OtherComprehensiveIncomeReclassifiedDefinedBenefitPlansNetUnamortizedLossArisingDuringPeriodTaxBenefit
Namespace Prefix: | hca_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Other comprehensive income reclassified interest benefit on derivatives arising during period tax expense + References No definition available. + Details
Name: | hca_OtherComprehensiveIncomeReclassifiedInterestBenefitOnDerivativesArisingDuringPeriodTaxExpense
Namespace Prefix: | hca_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other comprehensive income reclassified interest expense on derivatives arising during period tax benefit. + References No definition available. + Details
Name: | hca_OtherComprehensiveIncomeReclassifiedInterestExpenseOnDerivativesArisingDuringPeriodTaxBenefit
Namespace Prefix: | hca_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Other comprehensive income unrealized holding gain on debt securities arising during period tax expense. + References No definition available. + Details
Name: | hca_OtherComprehensiveIncomeUnrealizedHoldingGainOnDebtSecuritiesArisingDuringPeriodTaxExpense
Namespace Prefix: | hca_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other comprehensive income unrealized holding loss on debt securities arising during period tax benefit. + References No definition available. + Details
Name: | hca_OtherComprehensiveIncomeUnrealizedHoldingLossOnDebtSecuritiesArisingDuringPeriodTaxBenefit
Namespace Prefix: | hca_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Other comprehensive income defined benefit plans net unamortized loss arising during period tax benefit. + References No definition available. + Details
Name: | hca_OtherComprehensiveIncomeUnrealizedLossOnDerivativesArisingDuringPeriodTaxBenefit
Namespace Prefix: | hca_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Other comprehensive loss foreign currency translation adjustment tax benefit. + References No definition available. + Details
Name: | hca_OtherComprehensiveLossForeignCurrencyTranslationAdjustmentTaxBenefit
Namespace Prefix: | hca_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration