Income Taxes Income Tax Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
Tax Benefit associated with U.S. Research and Development Tax Credits			$ 22
Net tax benefits	$ 13	$ 18	$ 48	$ 25