Real Estate and Other Activities - Investments in Unconsolidated Real Estate Joint Ventures - Additional Information (Detail) € in Millions, $ in Millions		3 Months Ended	9 Months Ended
	Oct. 31, 2025 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2025 EUR (€) HealthcareFacilities	Jun. 17, 2025 EUR (€)
Investments in Unconsolidated Real Estate Joint Ventures [Member]
Business Combination [Line Items]
Percentage of equity investment				100.00%
Favorable fair market value adjustment on investment		$ 13	$ 34
Number of healthcare facilities under leases | HealthcareFacilities				70
Debt instrument final refinancing amount | €				€ 655.0	€ 655.0
Reduce future income tax rates		5.00%
Deferred income tax benefit		$ 13
Debt instrument face amount | €				€ 702.5
Fixed rate				5.10%
Non amortizing period				10 years
Investments in Unconsolidated Real Estate Joint Ventures [Member] | Maximum [Member]
Business Combination [Line Items]
Percentage of equity investment				100.00%
Swiss Medical Network [Member]
Business Combination [Line Items]
Percentage of equity investment				70.00%
Swiss Medical Network [Member] | Subsequent Event [Member]
Business Combination [Line Items]
Distributions from joint venture	$ 23
Common Spirit [Member]
Business Combination [Line Items]
Percentage of equity investment				25.00%