Schedule II - Schedule of Valuation and Qualifying Accounts (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Increase in accounts receivable reserves	$ 350	$ 384	$ 261
Decrease in accounts receivable reserves	191	520
Increase in straight-line rent receivable reserves			259
Increase (decrease) in real estate impairment reserves	10	86	89
Write-off of previously reserved accounts receivable			11
Equity investment impairments reserves related to disposals		138
Increase (decrease) in real estate impairment reserves related to disposals	(100)	(12)	(170)
Increase in credit loss reserves on financing-type receivables	170	1,500	10
Decrease in credit loss reserves on financing-type receivables	130	826	35
Increase in equity investment impairments		500	90
Recovery of previously reserved interest			50
Valuation Allowance, Deferred Tax Asset [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Increase (decrease) in valuation allowances	$ 70	$ 302	$ 47