Leases - Balance Sheet Amounts (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating lease assets	$ 1,391	$ 1,630
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other current liabilities	Other current liabilities
Other current liabilities	$ 292	$ 325
Operating lease liabilities	1,428	1,598
Total lease liabilities	$ 1,720	$ 1,923