Income Taxes Income Taxes - Provision for Income Taxes Charged To Income From Continuing Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Provision for Income Taxes [Line Items]
Current Income Tax Expense (Benefit)	$ 12	$ 8	$ 34
Deferred Income Tax Expense (Benefit)	6	(10)	(1)
Income tax expense (benefit)	18	(3)	32
Deferred Foreign Income Tax Expense (Benefit)	6	(10)	(1)
Current State and Local Tax Expense (Benefit)	2	0	(3)
Current Foreign Tax Expense (Benefit)	$ 10	$ 8	$ 37