Real Estate and Other Activities - Steward Health Care System - Additional Information (Detail) $ in Millions		3 Months Ended	9 Months Ended
	Sep. 18, 2024 USD ($) Property	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)
Business Combination [Line Items]
Proceeds from sale of investments			$ 100
Steward Health Care System LLC [Member]
Business Combination [Line Items]
Number of properties | Property	23
Proceeds from sale of investments	$ 40
Impairment and negative fair value charges		$ 600		$ 1,600
Steward Health Care System LLC [Member] | In-place lease intangibles [Member]
Business Combination [Line Items]
Amortization of Intangible Assets		$ 115		$ 149