Income Taxes Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Examination, Penalties and Interest Expense [Abstract]
Unrecognized tax benefits	$ 46	$ 41	$ 46	$ 50
Unrecognized tax benefits that would impact effective tax rate	34
Liability recorded for interest on income taxes expense	$ 6	$ 5