Income Taxes Deferred Tax Assets, Balance Sheet Location (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Deferred Tax Asset, Balance Sheet Location [Line Items]
Deferred Tax Assets, Net	$ 6
Deferred Tax Liabilities, Net		$ (33)
Other Long-Term Assets
Deferred Tax Asset, Balance Sheet Location [Line Items]
Deferred Tax Assets, Net	159	174
Other Long-Term Liabilities
Deferred Tax Asset, Balance Sheet Location [Line Items]
Deferred Tax Liabilities, Net	$ (153)	$ (207)