Condensed Consolidated Statements of Changes in Shareholder's Equity - USD ($)	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Deficit)
Beginning Balance at Dec. 31, 2020	$ 4,897,000,000	$ 3,000,000	$ 2,873,000,000	$ 1,882,000,000	$ 139,000,000
Comprehensive income (loss):
Net income (loss)	383,000,000	0	0	0	383,000,000
Other comprehensive income (loss), after tax	(599,000,000)	0	0	(599,000,000)	0
Comprehensive income (loss)	(216,000,000)
Ending Balance at Mar. 31, 2021	4,926,000,000	3,000,000	3,196,000,000	1,283,000,000	444,000,000
Comprehensive income (loss):
Dividends	(78,000,000)				(78,000,000)
Adjustments to Additional Paid in Capital, Other	323,000,000		323,000,000
Beginning Balance at Dec. 31, 2021	5,030,000,000	3,000,000	3,191,000,000	1,423,000,000	413,000,000
Comprehensive income (loss):
Net income (loss)	32,000,000	0	0	0	32,000,000
Other comprehensive income (loss), after tax	(1,120,000,000)	0	0	(1,120,000,000)	0
Comprehensive income (loss)	(1,088,000,000)
Ending Balance at Mar. 31, 2022	3,894,000,000	$ 3,000,000	$ 3,191,000,000	$ 303,000,000	397,000,000
Comprehensive income (loss):
Dividends	$ (48,000,000)				$ (48,000,000)