Pension and Other Postretirement Benefits - Schedule of Amounts Recognized in Other Comprehensive Earnings (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Prior service cost	$ 0	$ 0
Net actuarial loss (gain)	31	40
Total amount recognized in accumulated other comprehensive losses (earnings)	31	40
Postretirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Prior service cost	0	0
Net actuarial loss (gain)	(1)	(1)
Total amount recognized in accumulated other comprehensive losses (earnings)	(1)	(1)
Supplemental Retirement Plans
Defined Benefit Plan Disclosure [Line Items]
Prior service cost	0	0
Net actuarial loss (gain)	2	6
Total amount recognized in accumulated other comprehensive losses (earnings)	$ 2	$ 6