Leases Supplemental cash flow information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Operating cash flows from operating leases	$ 88	$ 90	$ 92
Operating cash flows from finance leases	7	8	10
Financing cash flows from finance leases	23	24	24
Finance lease obligations	2	27	2
ROU assets obtained in exchange for operating lease liabilities	$ 51	$ 70	$ 58