Income Taxes Income Taxes - Provision for Income Taxes Charged To Income From Continuing Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Provision for Income Taxes [Line Items]
Current Federal Tax Expense (Benefit)	$ 0	$ 0	$ 1	$ 0
Income (Loss) from Continuing Operations before Income Taxes, Domestic	59	329	(7)	338
Current Income Tax Expense (Benefit)	4	4	8	6
Deferred Federal Income Tax Expense (Benefit)	(2)		(2)
Deferred Foreign Income Tax Expense (Benefit)	(1)	(2)	1	(2)
Deferred Income Tax Expense (Benefit)	(3)	(2)	(1)	(2)
Income Tax Expense (Benefit)	1	2	7	4
Income (Loss) from Continuing Operations before Income Taxes, Foreign	8	14	34	13
Current State and Local Tax Expense (Benefit)	0	0	0	0
Current Foreign Tax Expense (Benefit)	$ 4	$ 4	$ 6	$ 6