Consolidated Statements Of Changes In Stockholder's Equity - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid In Capital [Member]	Accumulated Other Comprehensive Income (Loss), Net Of Deferred Income Taxes [Member]	Retained Earnings [Member]
Beginning balance at Dec. 31, 2020			$ 1,101	$ 268	$ 5,045
Beginning balance, shares at Dec. 31, 2020		1,000
Share-based compensation plans
Net increase (decrease) during the period	$ (99)			(99)
Net income (loss)	442				442
Ending balance at Sep. 30, 2021	6,758		1,101	169	5,487
Ending balance, shares at Sep. 30, 2021		1,000
Beginning balance at Jun. 30, 2021			1,101	230	5,630
Beginning balance, shares at Jun. 30, 2021		1,000
Share-based compensation plans
Net increase (decrease) during the period	(61)			(61)
Net income (loss)	(143)				(143)
Ending balance at Sep. 30, 2021	6,758		1,101	169	5,487
Ending balance, shares at Sep. 30, 2021		1,000
Beginning balance at Dec. 31, 2021	$ 7,038		1,102	91	5,845
Beginning balance, shares at Dec. 31, 2021	1,000	1,000
Share-based compensation plans
Net increase (decrease) during the period	$ (1,078)			(1,078)
Net income (loss)	(626)				(626)
Ending balance at Sep. 30, 2022	$ 5,334		1,102	(987)	5,219
Ending balance, shares at Sep. 30, 2022	1,000	1,000
Beginning balance at Jun. 30, 2022			1,102	(716)	5,760
Beginning balance, shares at Jun. 30, 2022		1,000
Share-based compensation plans
Net increase (decrease) during the period	$ (271)			(271)
Net income (loss)	(542)				(542)
Ending balance at Sep. 30, 2022	$ 5,334		$ 1,102	$ (987)	$ 5,219
Ending balance, shares at Sep. 30, 2022	1,000	1,000