Number of Hospitals Sold

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- Definition

Number of licensed beds

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No definition available.

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- Definition

Percentage of Ownership Interest Sold

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No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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- Definition

Amount after tax of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a discontinued operation.

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- Definition

Date the entity disposed of a business or a group of assets, in CCYY-MM-DD format.

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No definition available.

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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

This element represents the cash inflow during the period from the sale of a component of the entity.

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Acquisitions and Divestitures (Divestitures Narrative) (Details) $ in Millions		3 Months Ended			12 Months Ended
	May 01, 2017 USD ($) item	Dec. 31, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2018 USD ($) item	Dec. 31, 2017 USD ($) item	Dec. 31, 2016 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of Hospitals Sold \| item						30
Proceeds from Divestiture of Businesses, Net of Cash Divested					$ 405	$ 1,692	$ 143
Impairment of hospitals in discontinued operations					0	6	8
Impairment and (gain) loss on sale of businesses, net					$ 668	2,123	1,919
Divested Through 2018 and 2017 [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of Hospitals Sold \| item					41
Tennova Physicians Regional Medical Center [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment and (gain) loss on sale of businesses, net		$ 27
Twin Rivers Regional Medical Center [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment and (gain) loss on sale of businesses, net			$ 4
AllianceHealth Pryor [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal date					May 01, 2017
Number of licensed beds \| item	52
Proceeds from Divestiture of Businesses, Net of Cash Divested	$ 1
McNairy Regional Hospital [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment and (gain) loss on sale of businesses, net				$ 7
Hospitals in Period [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment and (gain) loss on sale of businesses, net					$ 415	$ 368	$ 463
Almost Family, Inc. [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal date					Dec. 31, 2016
Percentage of ownership interest sold							80.00%
Proceeds from Divestiture of Businesses, Net of Cash Divested							$ 128
Gain from divestiture of controlling interest							$ 91