Schedule II — Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period		$ 84	$ 102	$ 112
Charged (credited) to income		18	15	7
Charged (credited) to AOCL		0	0	0
Deductions from reserves	[1]	(19)	(27)	(19)
Translation adjustment during period		6	(6)	2
Balance at end of period		89	84	102
Valuation allowance — deferred tax assets
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period		1,252	1,275	1,072
Charged (credited) to income		1,407	(24)	202
Charged (credited) to AOCL		(66)	1	1
Deductions from reserves	[1]	0	0	0
Translation adjustment during period		141	0	0
Balance at end of period		$ 2,734	$ 1,252	$ 1,275

[1] Accounts receivable charged off.