Income Taxes Income Taxes - Provision for Income Taxes Charged To Income From Continuing Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Provision for Income Taxes [Line Items]
Current Income Tax Expense (Benefit)	$ 6	$ 12	$ 8
Deferred Income Tax Expense (Benefit)	(4)	6	(10)
Income tax expense (benefit)	2	18	(3)
Deferred Foreign Income Tax Expense (Benefit)	(4)	6	(10)
Current State and Local Tax Expense (Benefit)	0	2	0
Current Foreign Tax Expense (Benefit)	$ 7	$ 10	$ 8