Leases - ROU Assets and Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating Lease - ROU Asset	$ 1,116	$ 1,153
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Deferred income taxes and other assets	Deferred income taxes and other assets
Operating Lease Liability:
Current	$ 230	$ 245
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other accrued liabilities	Other accrued liabilities
Non-current	$ 943	$ 956
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Post-employment Obligations, Deferred Income Taxes and Other Long-term Liabilities	Post-employment Obligations, Deferred Income Taxes and Other Long-term Liabilities
Present value of lease liabilities	$ 1,173	$ 1,201