Supplemental Income (Loss) Statement Information - Other Income and Expenses (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Income and Expenses [Abstract]
Interest expense	$ 942	$ 462	$ 488
Interest income	(253)	(67)	(26)
Pension and postretirement net periodic benefit cost (benefit)	(129)	(248)	(297)
Other expense (income), net	$ 560	$ 147	$ 165