CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDER’S EQUITY - USD ($) $ in Millions	Total	COMMON STOCK (shares outstanding):	ADDITIONAL PAID-IN CAPITAL:	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS), NET OF DEFERRED INCOME TAXES:	RETAINED EARNINGS:
Beginning balance, shares at Dec. 31, 2021		1,000
Beginning balance at Dec. 31, 2021			$ 1,102	$ 91	$ 5,845
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net increase (decrease) during the period	$ (807)			(807)
Net income (loss)	(85)				(85)
Ending balance at Jun. 30, 2022	6,146		1,102	(716)	5,760
Ending balance, shares at Jun. 30, 2022		1,000
Beginning balance, shares at Mar. 31, 2022		1,000
Beginning balance at Mar. 31, 2022			1,102	(302)	5,846
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net increase (decrease) during the period	(414)			(414)
Net income (loss)	(86)				(86)
Ending balance at Jun. 30, 2022	$ 6,146		1,102	(716)	5,760
Ending balance, shares at Jun. 30, 2022		1,000
Beginning balance, shares at Dec. 31, 2022	1,000	1,000
Beginning balance at Dec. 31, 2022	$ 5,654		1,102	(848)	5,400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net increase (decrease) during the period	86			86
Net income (loss)	549				549
Ending balance at Jun. 30, 2023	$ 6,290		1,102	(762)	5,950
Ending balance, shares at Jun. 30, 2023	1,000	1,000
Beginning balance, shares at Mar. 31, 2023		1,000
Beginning balance at Mar. 31, 2023			1,102	(720)	5,620
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net increase (decrease) during the period	$ (42)			(42)
Net income (loss)	330				330
Ending balance at Jun. 30, 2023	$ 6,290		$ 1,102	$ (762)	$ 5,950
Ending balance, shares at Jun. 30, 2023	1,000	1,000