Supplemental Income (Loss) Statement Information - Other Income and Expenses (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Other Income and Expenses [Abstract]
Interest expense	$ 385	$ 123
Interest income	(110)	(40)
Pension and postretirement net periodic benefit cost (benefit)	(11)	(31)
Other expense (income), net	$ 264	$ 52