Loans Payable, Long-Term Debt and Leases - Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Debt Disclosure [Abstract]
Other Assets	$ 1,370	$ 1,437
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets	Other Assets
Accrued and other current liabilities	$ 282	$ 285
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued and other current liabilities	Accrued and other current liabilities
Other Noncurrent Liabilities	$ 877	$ 928
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Noncurrent Liabilities	Other Noncurrent Liabilities
Total operating lease liability	$ 1,159	$ 1,213
Weighted-average remaining lease term (years)	6 years	7 years
Weighted-average discount rate	3.20%	3.30%