Leases Supplemental cash flow information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 52	$ 37
Operating cash flows from finance leases	11	13
Financing cash flows from finance leases	25	29
Finance lease obligations	28	0	$ 78
ROU assets obtained in exchange for operating lease liabilities	$ 93	$ 52