Leases - Lease Liabilities Statement of Financial Position (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	All other current liabilities	All other current liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	All other liabilities	All other liabilities
All other current liabilities	$ 196	$ 218
All other liabilities	624	591
Total	$ 820	$ 809