Leases (Components of Lease Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Fixed operating lease expense	$ 239	$ 246	$ 216
Variable operating lease expense	73	59	46
Total operating lease expense	$ 312	$ 305	$ 262
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