Income Taxes Income Taxes - Provision for Income Taxes Charged To Income From Continuing Operations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Provision for Income Taxes [Line Items]
Current Federal Tax Expense (Benefit)	$ 0	$ 0
Income (Loss) from Continuing Operations before Income Taxes, Domestic	(1)	17
Current Income Tax Expense (Benefit)	2	5
Deferred Foreign Income Tax Expense (Benefit)	(1)	(3)
Deferred Income Tax Expense (Benefit)	(1)	(3)
Income Tax Expense (Benefit)	0	2
Income (Loss) from Continuing Operations before Income Taxes, Foreign	4	2
Pre-tax income (loss)	3	19
Current State and Local Tax Expense (Benefit)	0	2
Current Foreign Tax Expense (Benefit)	$ 1	$ 3