Supplemental financial information - Other income (expense), net (OI&E) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disclosure Text Block Supplement [Abstract]
Other income	[1]	$ 534	$ 483	$ 169
Other expense	[2]	(38)	(43)	(63)
Total		$ 496	$ 440	$ 106

[1] ncludes interest, royalty and lease income.

[2] ncludes a portion of pension and other retiree benefit costs, lease expense, tax interest, currency gains and losses and miscellaneous items.