Income Taxes - Components of profit before income taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Components of Profit before income taxes
U.S.	$ 376	$ 173	$ 384
Non-U.S.	358	360	376
Profit before income taxes	$ 734	$ 533	$ 760