Capital Stock - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Class Of Stock [Line Items]
Common stock cash dividends paid	$ 0	$ 0	$ 37
Dividends, share-based compensation			1
Common Stock
Class Of Stock [Line Items]
Common stock cash dividends paid			$ 37
Common Stock | Payments for Share Repurchases Related to Employee Stock Based Compensation
Class Of Stock [Line Items]
Common stock repurchased (in shares)	0	0	0