Real Estate and Other Activities - 2021 Activity - Additional Information (Detail) £ in Millions, SFr in Millions, $ in Millions								9 Months Ended
	Apr. 25, 2022 USD ($) Facility	Aug. 01, 2021 USD ($) Hospital	Jul. 06, 2021 USD ($) Hospital	Jul. 06, 2021 GBP (£) Hospital	Jun. 25, 2021 GBP (£) Property	Jan. 19, 2021 GBP (£)	Jan. 08, 2021 USD ($)	Sep. 30, 2022 Facility	Apr. 16, 2021 CHF (SFr)
Swiss Medical Network [Member]
Business Acquisition [Line Items]
Equity investment | SFr									SFr 145
General Acute Care Hospitals [Member]
Business Acquisition [Line Items]
Purchase price of acquisition | $	$ 80
Number of facilities acquired | Facility	2							6
General Acute Care Hospitals [Member] | Florida [Member]
Business Acquisition [Line Items]
Purchase price of acquisition | $		$ 900
Number of facilities acquired | Hospital		5
Acute Care Hospital [Member] | Los Angeles, California [Member]
Business Acquisition [Line Items]
Number of facilities acquired | Hospital			4	4
Acute Care Hospital [Member] | Stirling, Scotland [Member]
Business Acquisition [Line Items]
Purchase price of acquisition | £				£ 15.6
On Campus Medical Office Buildings [Member] | Los Angeles, California [Member]
Business Acquisition [Line Items]
Number of facilities acquired | Hospital			2	2
Acute Care Hospital and On Campus Medical Office Buildings [Member] | Los Angeles, California [Member]
Business Acquisition [Line Items]
Purchase price of acquisition | $			$ 215
Waterland Private Equity Fund VII C.V. [Member]
Business Acquisition [Line Items]
Number of real estate assets acquired | Property					35
Payment for acquisition | £					£ 800.0
Purchase price of acquisition loan | £						£ 250.0
Waterland Private Equity Fund VII C.V. [Member] | United Kingdom [Member]
Business Acquisition [Line Items]
Purchase price of acquisition | £						£ 800.0
Waterland Private Equity Fund VII C.V. [Member] | Waterland Private Equity Fund VII C.V. Affiliate [Member]
Business Acquisition [Line Items]
Ownership interest						9.90%
Steward Health Care System LLC [Member]
Business Acquisition [Line Items]
Percentage of interest rate with possible outside returns							4.00%
Other loan to affiliates | $							$ 335
Initial term of loan							7 years
Steward Health Care System LLC [Member] | General Acute Care Hospitals [Member] | Florida [Member]
Business Acquisition [Line Items]
Lease extension expiration year		2041