Leases - Supplemental Cash Flow and Other Information Related to Leases (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases	$ 152	$ 149
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from finance leases	12	5
Cash paid for amounts included in the measurement of lease liabilities: Financing cash flows from finance leases	9	4
Right-of-use assets obtained in exchange for new finance lease liabilities	42	46
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 105	$ 118