Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions	Total	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income
Beginning balance at Dec. 31, 2021	$ 1,756	$ 1,381	$ 365	$ 10
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	52		52
Other comprehensive income (loss), net of income taxes	7			7
Dividends ($0.23 per share declared and paid)	(48)		(48)
Ending balance at Mar. 31, 2022	1,767	1,381	369	17
Beginning balance at Dec. 31, 2021	1,756	1,381	365	10
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	152
Ending balance at Sep. 30, 2022	1,798	1,383	373	42
Beginning balance at Mar. 31, 2022	1,767	1,381	369	17
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	52		52
Other comprehensive income (loss), net of income taxes	3			3
Dividends ($0.23 per share declared and paid)	(48)		(48)
Other	2	2
Ending balance at Jun. 30, 2022	1,776	1,383	373	20
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	48		48
Other comprehensive income (loss), net of income taxes	22			22
Dividends ($0.23 per share declared and paid)	(48)		(48)
Ending balance at Sep. 30, 2022	1,798	1,383	373	42
Beginning balance at Dec. 31, 2022	1,868	1,385	431	52
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	17		17
Other comprehensive income (loss), net of income taxes	(13)			(13)
Dividends ($0.23 per share declared and paid)	(48)		(48)
Other	1	1
Ending balance at Mar. 31, 2023	1,825	1,386	400	39
Beginning balance at Dec. 31, 2022	1,868	1,385	431	52
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	161
Ending balance at Sep. 30, 2023	1,892	1,392	448	52
Beginning balance at Mar. 31, 2023	1,825	1,386	400	39
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	66		66
Other comprehensive income (loss), net of income taxes	13			13
Dividends ($0.23 per share declared and paid)	(48)		(48)
Other	3	3
Ending balance at Jun. 30, 2023	1,859	1,389	418	52
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	78		78
Dividends ($0.23 per share declared and paid)	(48)		(48)
Other	3	3
Ending balance at Sep. 30, 2023	$ 1,892	$ 1,392	$ 448	$ 52