Statements of Comprehensive Income (Loss) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
COMPREHENSIVE INCOME (LOSS)
Net income (loss)		$ 11	$ (1)	$ (24)	$ (17)
Other comprehensive income (loss), net of income taxes:
Change in unrealized gains (losses), net of adjustment	[1]	(107)	(5)	(394)	(39)
Other comprehensive income (loss), net of income taxes		(107)	(5)	(394)	(39)
Comprehensive income (loss)		$ (96)	$ (6)	$ (418)	$ (56)

[1] See Note 9 of the Notes to these Financial Statements for details of change in unrealized gains (losses), net of adjustments.