Leases Other supplemental information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024		Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Operating cash flows from operating leases	$ 374		$ 354	$ 332
Operating cash flows from finance leases	38		41	38
Financing cash flows from finance leases	33		37	26
Right-of-Use Assets Obtained in Exchange for Operating Lease Liability	274	[1]	487	249
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 57		$ 64	$ 62
Operating Lease, Weighted Average Remaining Lease Term	7 years 10 months 24 days		8 years 2 months 12 days	9 years 6 months
Operating Lease, Weighted Average Discount Rate, Percent	5.40%		5.30%	5.20%
Finance Lease, Weighted Average Remaining Lease Term	4 years 7 months 6 days		5 years 3 months 18 days	5 years 10 months 24 days

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