Income taxes - Schedule of Income before Income Tax, Domestic and Foreign (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Domestic	$ 4,040	$ 4,047	$ 3,026
Foreign	569	3,808	4,320
Total income before income taxes	$ 4,609	$ 7,855	$ 7,346