Accounting Policies - Schedule Of Other Expense (Income), Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Other components of net periodic benefit cost	$ 0	$ (11)	$ (45)
Net loss (gain) from investments	15	(59)	(17)
Other expense (income), net	$ 15	$ (70)	$ (62)