Leases - Balance Sheet Classification and Other Information (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Balance Sheet Classification
Right of Use Asset	$ 498	$ 505
Current Lease Liabilities (Included in Other Current Liabilities)	68	69
Long-term Lease Liabilities	491	488
Total Operating Lease Liabilities	$ 559	$ 557
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Current Liabilities	Other Current Liabilities
Other Information
Weighted-average Remaining Lease Term for Operating Leases	30 years	31 years
Weighted-average Discount Rate for Operating Leases	5.10%	5.00%