Consolidated Statements of Equity - USD ($) $ in Millions	Total	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interest	Cumulative effect of adoption	Cumulative effect of adoption Total	Cumulative effect of adoption Accumulated Deficit
Beginning balance at Dec. 31, 2019	$ 11,565	$ 11,552	$ 2	$ 7,809	$ 2,145	$ 1,596	$ 13	$ (32)	$ (32)	$ (32)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividend to parent company	(2,149)	(2,149)			(2,149)
Net income (loss)	(760)	(759)			(759)		(1)
Other comprehensive income (loss)	2,999	2,999				2,999
Other	20	32		32			(12)
Ending balance at Dec. 31, 2020	11,643	11,643	2	7,841	(795)	4,595	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividend to parent company	(8)	(8)			(8)
Capital contribution from parent company	750	750		750
Net income (loss)	(1,396)	(1,396)			(1,396)
Other comprehensive income (loss)	(2,238)	(2,238)				(2,238)
Other	(45)	(45)		(45)
Ending balance at Dec. 31, 2021	8,706	8,706	2	8,546	(2,199)	2,357	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividend to parent company	(967)	(967)			(967)
Net income (loss)	1,186	1,186			1,186
Other comprehensive income (loss)	(10,369)	(10,369)				(10,369)
Other	(16)	(16)		(10)	(6)
Ending balance at Dec. 31, 2022	$ (1,460)	$ (1,460)	$ 2	$ 8,536	$ (1,986)	$ (8,012)	$ 0