Statements of Comprehensive Income (Loss) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
COMPREHENSIVE INCOME (LOSS)
Net income (loss)		$ (13)	$ (14)	$ (32)	$ (13)
Other comprehensive income (loss), net of income taxes:
Change in unrealized gains (losses), net of adjustment	[1]	(137)	37	(287)	(36)
Other comprehensive income (loss), net of income taxes		(137)	37	(287)	(36)
Comprehensive income (loss)		$ (150)	$ 23	$ (319)	$ (49)

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