XML 57 R47.htm IDEA: XBRL DOCUMENT
v3.22.1

Share Repurchase Transactions and Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Parenthetical) (Detail) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 USD ($)
Equity [Abstract] |
Unrealized losses on available-for-sale securities, tax benefit | $ 6
Foreign currency translation adjustments, income tax benefit | 4
Change in fair value of derivative instruments, income taxes | $ 1

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