Segment and Geographic Information (Details 2) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets
External Revenues	$ 2,562	$ 2,550	$ 2,966
Equipment on operating leases, net and property   and equipment, net (included in Other assets)	3,256	3,500
Inside U.S.
Revenues from External Customers and Long-Lived Assets
External Revenues	1,422	1,443	1,756
Equipment on operating leases, net and property   and equipment, net (included in Other assets)	2,179	2,482
Inside Canada
Revenues from External Customers and Long-Lived Assets
Equipment on operating leases, net and property   and equipment, net (included in Other assets)	545	521
All other
Revenues from External Customers and Long-Lived Assets
External Revenues	1,140	1,107	$ 1,210
Equipment on operating leases, net and property   and equipment, net (included in Other assets)	$ 532	$ 497