UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Common   Stock	Additional   Paid-in Capital	Retained Deficit	Accumulated Other Comprehensive   Income
Beginning Balance at Dec. 31, 2021	$ 1,682	$ 3	$ 592	$ 917	$ 170
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Return of capital	(306)		(306)
Comprehensive income (loss):
Net income	356			356
Other comprehensive income (loss), net of taxes	(443)				(443)
Total comprehensive income (loss)	(87)
Ending Balance at Mar. 31, 2022	1,289	3	286	1,273	(273)
Beginning Balance at Dec. 31, 2022	1,587	3	1,759	(286)	111
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distribution payable to parent	(45)		(45)
Comprehensive income (loss):
Net income	7			7
Other comprehensive income (loss), net of taxes	17				17
Total comprehensive income (loss)	24
Ending Balance at Mar. 31, 2023	$ 1,566	$ 3	$ 1,714	$ (279)	$ 128