Leases - Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Operating lease right-of-use assets	$ 689	$ 743
Current operating lease obligation	85	86
Operating lease liabilities	642	672
Operating Lease, Liability	727	758
Finance Lease, Right-of-Use Asset	26	22
Current financing lease obligation	7	5
Finance Lease, Liability, Noncurrent	18	12
Finance Lease, Liability	$ 25	$ 17
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets	Other assets
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other current liabilities	Other current liabilities
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities