Consolidated Statements of Equity - USD ($) $ in Millions	Total	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interest
Beginning balance at Dec. 31, 2020	$ 11,643	$ 11,643	$ 2	$ 7,841	$ (795)	$ 4,595	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,608)	(1,608)			(1,608)
Other comprehensive income (loss)	(3,114)	(3,114)				(3,114)
Other	(14)	(14)		(14)			0
Ending balance at Mar. 31, 2021	6,907	6,907	2	7,827	(2,403)	1,481	0
Beginning balance at Dec. 31, 2021	8,706	8,706	2	8,546	(2,199)	2,357	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	415	415			415
Other comprehensive income (loss)	(3,516)	(3,516)				(3,516)
Other	(23)	(23)		(16)	(7)
Ending balance at Mar. 31, 2022	$ 5,582	$ 5,582	$ 2	$ 8,530	$ (1,791)	$ (1,159)	$ 0