Leases (Supplemental Balance Sheet Information) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating lease ROU assets, other long-term assets	$ 1,001	$ 1,041
Operating lease liabilities, current	199	207
Operating lease liabilities, long-term	863	889
Total operating lease liabilities	$ 1,062	$ 1,096
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other long-term assets	Other long-term assets
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued expenses and other liabilities	Accrued expenses and other liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other long-term liabilities	Other long-term liabilities
Weighted average remaining lease term	8 years	8 years
Weighted average discount rate	2.70%	2.70%