Leases - Schedule of Cash Amounts Paid for Lease Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 70	$ 71	$ 72
Operating cash flows from finance leases	9	4	3
Financing cash flows from finance leases	30	13	7
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	40	41	53
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 18	$ 31	$ 46