Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Net Parent (Deficit)	Accumulated Other Comprehensive Income
Beginning balance at Dec. 31, 2019	$ (818)			$ (823)	$ 5
Net income	26		$ 20	6
Other comprehensive income (loss), net of income taxes	(2)				(2)
Net transfers 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	(31)		(31)
Other	1	1
Ending balance at Mar. 31, 2020	1,370	1,378	(11)		3
Beginning balance at Dec. 31, 2019	(818)			$ (823)	5
Net income	138
Other comprehensive income (loss), net of income taxes					(1)
Ending balance at Jun. 30, 2020	1,484	1,379	101		4
Beginning balance at Mar. 31, 2020	1,370	1,378	(11)		3
Net income	112		112
Other comprehensive income (loss), net of income taxes	1				1
Other	1	1
Ending balance at Jun. 30, 2020	1,484	1,379	101		4
Beginning balance at Dec. 31, 2020	1,615	1,381	233		1
Net income	74		74
Other comprehensive income (loss), net of income taxes	3				3
Dividends	(48)		(48)
Other	(1)	(1)
Ending balance at Mar. 31, 2021	1,643	1,380	259		4
Beginning balance at Dec. 31, 2020	1,615	1,381	233		1
Net income	154
Other comprehensive income (loss), net of income taxes					2
Ending balance at Jun. 30, 2021	1,676	1,382	291		3
Beginning balance at Mar. 31, 2021	1,643	1,380	259		4
Net income	80		80
Other comprehensive income (loss), net of income taxes	(1)				(1)
Dividends	(48)		(48)
Other	2	2
Ending balance at Jun. 30, 2021	$ 1,676	$ 1,382	$ 291		$ 3