Other (Income) Expense - Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Income and Expenses [Abstract]
Gain (Loss) on Disposition of Assets	$ (38)	$ (78)	$ (100)
Pension settlement	0	0	83
Other (income) expense - net	(138)	(280)	(77)
Other Nonoperating Income (Expense)	$ (176)	$ (358)	$ (94)