Other Income - Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Income and Expenses [Abstract]
Net Periodic Pension and Post-retirement Benefit Credit	$ 29	$ 79	$ 64
Interest Income	79	42	7
Miscellaneous Income	31	12	8
Total Other Income - Net	$ 139	$ 133	$ 79