Income Taxes - Income Tax Provision (Benefit) (Details) - USD ($) $ in Millions		1 Months Ended	11 Months Ended	12 Months Ended
	Feb. 09, 2021	Feb. 09, 2021	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022
Current
Federal		$ 0	$ 0	$ 264	$ 37
State		0	0	6	10
Current Income Taxes		0	0	270	47
Deferred
Federal		(54)	(45)	381	(1,112)
State		(3)	(4)	47	(220)
Deferred Income Taxes		(57)	(49)	428	(1,332)
Total	$ (57)	$ (57)	$ (49)	$ 698	$ (1,285)