XML 52 R39.htm IDEA: XBRL DOCUMENT v3.20.2

Financial Instruments - Additional Information (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2020 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Estimated amount reclassified from other comprehensive income and be included in interest expense	$ 36
Estimated termination value	$ 65

X

- Definition

Derivative, credit risk related contingent features estimated termination value.

+ References

No definition available.

+ Details

Name:	hca_DerivativeCreditRiskRelatedContingentFeaturesEstimatedTerminationValue
Namespace Prefix:	hca_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80845-113994

+ Details

Name:	us-gaap_DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration