XML 88 R68.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Capital Stock - Additional Information (Detail) $ / shares in Units, $ in Millions | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2021 USD ($) $ / shares Directors shares | Dec. 31, 2020 $ / shares shares | Dec. 31, 2019 $ / shares shares | Jan. 31, 2022 USD ($) | Feb. 28, 2021 USD ($) | Jan. 31, 2021 USD ($) | Jan. 31, 2020 USD ($) | Jan. 31, 2019 USD ($) | Oct. 31, 2017 USD ($)
Capital Structure [Line Items] |  |  |  |  |  |  |  |  |
Common stock, shares authorized | shares | 1,800,000,000 | 1,800,000,000 |  |  |  |  |  |  |
Repurchase of common stock, shares | shares | 37,812,000 | 3,287,000 | 7,949,000 |  |  |  |  |  |
Repurchase price of common stock, per share | $ / shares | $ 217.25 | $ 134.18 | $ 129.71 |  |  |  |  |  |
Share repurchase program authorized amount |  |  |  |  | $ 6,000 |  |  |  |
Share repurchase program, remaining authorized repurchase amount | $ 586 |  |  |  | $ 6,000 |  | $ 2,000 | $ 2,000 | $ 2,000
Board of Directors Chairman [Member] |  |  |  |  |  |  |  |  |
Capital Structure [Line Items] |  |  |  |  |  |  |  |  |
Share repurchase program authorized amount |  |  |  |  |  | $ 2,000 |  | $ 2,000 | $ 2,000
Subsequent Event [Member] |  |  |  |  |  |  |  |  |
Capital Structure [Line Items] |  |  |  |  |  |  |  |  |
Share repurchase program authorized amount |  |  |  | $ 8,000 |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |
Capital Structure [Line Items] |  |  |  |  |  |  |  |  |
Number of directors as per the amended and restated by-laws | Directors | 3 |  |  |  |  |  |  |  |

X
- Definition Capital Structure [Line Items] + References No definition available. + Details
Name: | hca_CapitalStructureLineItems
Namespace Prefix: | hca_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of directors constituting board of directors minimum. + References No definition available. + Details
Name: | hca_NumberOfDirectorsConstitutingBoardOfDirectors
Namespace Prefix: | hca_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
Name: | us-gaap_TreasuryStockAcquiredAverageCostPerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_BoardOfDirectorsChairmanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |