Leases Lease revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Leases [Abstract]
Finance lease revenue	$ 104	$ 112
Operating lease revenue	275	278
Total	$ 379	$ 390
Financial Products
Leases [Abstract]
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Sales and revenues	Sales and revenues
Lessor, Lease, Description
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Sales and revenues	Sales and revenues