Business acquisition incurred deferred income tax liabilities.

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Business combination recognized identifiable assets acquired and liabilities assumed deferred tax liabilities and other liabilities.

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Lessee operating lease extended expiration year of contract.

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Lessee operating lease initial fixed term of contract.

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Other loan.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash.

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This element represents the aggregate cost of investments accounted for under the equity method of accounting.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The number of businesses acquired by the entity during the period.

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The number of real estate properties owned as of the balance sheet date.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Real Estate and Other Activities - 2021 Activity - Additional Information (Detail) € in Millions, £ in Millions, SFr in Millions, $ in Millions													12 Months Ended
	Dec. 02, 2021 EUR (€)	Oct. 21, 2021 EUR (€)	Oct. 19, 2021 USD ($)	Oct. 13, 2021 EUR (€)	Aug. 01, 2021 USD ($) Hospital	Jul. 06, 2021 USD ($) Hospital	Jul. 06, 2021 GBP (£) Hospital	Jun. 25, 2021 GBP (£) Property	Jan. 19, 2021 GBP (£)	Nov. 25, 2020 GBP (£)	Dec. 17, 2019 USD ($) Hospital	Nov. 28, 2019 EUR (€)	Dec. 31, 2021 Hospital	Dec. 31, 2020 Hospital	Jun. 30, 2021 Property	Apr. 16, 2021 CHF (SFr)	Jan. 08, 2021 USD ($)	Aug. 31, 2018 USD ($)
Swiss Medical Network [Member]
Business Acquisition [Line Items]
Equity investment \| SFr																SFr 145
Acute Care Hospital [Member]
Business Acquisition [Line Items]
Purchase price of acquisition											$ 700.0
Number of facilities acquired \| Hospital											10		2
United Kingdom [Member] \| Acute Care Hospital [Member]
Business Acquisition [Line Items]
Purchase price of acquisition \| £										£ 50.0
Valencia, Spain [Member] \| General Acute Hospital [Member]
Business Acquisition [Line Items]
Purchase price of acquisition \| €	€ 46.0
Ownership interest	50.00%
Portugal [Member] \| Acute Care Hospital [Member]
Business Acquisition [Line Items]
Purchase price of acquisition \| €		€ 17.8										€ 28.2
Florida [Member] \| General Acute Care Hospitals [Member]
Business Acquisition [Line Items]
Purchase price of acquisition					$ 900.0
Number of facilities acquired \| Hospital					5
Los Angeles, California [Member] \| Acute Care Hospital [Member]
Business Acquisition [Line Items]
Number of facilities acquired \| Hospital						4	4
Los Angeles, California [Member] \| On Campus Medical Office Buildings [Member]
Business Acquisition [Line Items]
Number of facilities acquired \| Hospital						2	2
Los Angeles, California [Member] \| Acute Care Hospital and On Campus Medical Office Buildings [Member]
Business Acquisition [Line Items]
Purchase price of acquisition						$ 215.0
Stirling, Scotland [Member] \| Acute Care Hospital [Member]
Business Acquisition [Line Items]
Purchase price of acquisition \| £							£ 15.6
Priory Group [Member]
Business Acquisition [Line Items]
Purchase price of acquisition \| €				€ 27.0
Number of real estate assets acquired \| Property															35
Deferred income tax liabilities and other liabilities, incurred \| £								£ 47.1
Ownership interest				9.90%
Waterland Private Equity Fund VII C.V. [Member]
Business Acquisition [Line Items]
Purchase price of acquisition \| £									£ 250.0
Number of real estate assets acquired \| Property								35
Payment for acquisition \| £								£ 800.0
Ownership interest									9.90%
Waterland Private Equity Fund VII C.V. [Member] \| United Kingdom [Member]
Business Acquisition [Line Items]
Purchase price of acquisition \| £									£ 800.0
Springstone Inc. [Member]
Business Acquisition [Line Items]
Purchase price of acquisition			$ 185.0
Consideration of other transaction costs			950.0
Incurred deferred income tax liabilities			$ 8.0
Steward Health Care System LLC [Member]
Business Acquisition [Line Items]
Ownership interest																	9.90%
Number of facilities acquired \| Hospital														2
Other loan to affiliates																	$ 335.0	$ 335.0
Steward Health Care System LLC [Member] \| Florida [Member] \| General Acute Care Hospitals [Member]
Business Acquisition [Line Items]
Lease extension expiration term					10 years
Lease extension expiration year					2041