Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions	Total	Additional Paid-in Capital	Retained Earnings	Net Parent (Deficit)	Net Parent (Deficit) Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Income	Accumulated Other Comprehensive Income Cumulative Effect, Period of Adoption, Adjustment
Beginning balance at Dec. 31, 2018	$ (1,027)			$ (1,034)	$ (3)	$ 7	$ 3
Net income	225			225
Other comprehensive income (loss), net of income taxes	(5)					(5)
Net transfers (to) from Parent	(11)			(11)
Ending balance at Dec. 31, 2019	(818)			(823)		5
Net income	363		$ 357	6
Other comprehensive income (loss), net of income taxes	(4)					(4)
Net transfers (to) from Parent	855			855
Reclassification of net parent (deficit) in RCP		$ 38		$ (38)
Issuance of common stock, net of costs	1,339	1,339
Dividends	(124)		(124)
Other	4	4
Ending balance at Dec. 31, 2020	1,615	1,381	233			1
Net income	324		324
Other comprehensive income (loss), net of income taxes	9					9
Dividends	(192)		(192)
Ending balance at Dec. 31, 2021	$ 1,756	$ 1,381	$ 365			$ 10