CONSOLIDATED STATEMENTS OF COMMON STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Millions	Total	Common Stock	Additional Paid In Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2020		100
Beginning balance at Dec. 31, 2020	$ 3,298	$ 0	$ 2,790	$ 509	$ (1)
Increase (Decrease) in Stockholders' Equity
Net income	58			58
Dividends declared to parent	(52)			(52)
Contributions of capital by parent	304		304
Ending balance (in shares) at Mar. 31, 2021		100
Ending balance at Mar. 31, 2021	$ 3,608	$ 0	3,094	515	(1)
Beginning balance (in shares) at Dec. 31, 2021	100	100
Beginning balance at Dec. 31, 2021	$ 3,603	$ 0	3,091	513	(1)
Increase (Decrease) in Stockholders' Equity
Net income	52			52
Dividends declared to parent	(53)			(53)
Contributions of capital by parent	$ 8		8
Ending balance (in shares) at Mar. 31, 2022	100	100
Ending balance at Mar. 31, 2022	$ 3,610	$ 0	$ 3,099	$ 512	$ (1)