Finance Receivables, Net - Allowance for Credit Losses (Details) - USD ($) $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision	$ (4)	$ 2	$ 6	$ 9	$ 4	$ 66
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	133	135	133	143	146	89	$ 133
Provision	(4)	2	6	9	4	66
Charge-offs	(2)	(5)	(3)	(13)	(8)	(8)
Recoveries and other	0	1	(1)	3	1	(1)
Ending Balance	127	133	135	142	143	146	127
Finance receivables collectively evaluated for impairment	3,202			3,218			$ 3,202
Loss rates of customers with investment grade credit quality							1.00%
Loss rates of customers with non investment grade credit quality, low range							2.00%
Loss rates of customers with non investment grade credit quality, high range							5.00%
Loss rates of customers with substandard doubtful credit quality - low							7.00%
Loss rates of customers with substandard doubtful credit quality - high							10.00%
United States
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision	0	6	2	6	3	35
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	81	78	77	89	91	59	$ 77
Provision	0	6	2	6	3	35
Charge-offs	(1)	(3)	(2)	(6)	(5)	(3)
Recoveries and other	0	0	1	0	0	0
Ending Balance	80	81	78	89	89	91	80
Finance receivables collectively evaluated for impairment	1,866			1,819			1,866
Canada
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision	(3)	(1)	1	0	1	6
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	15	16	15	16	15	10	15
Provision	(3)	(1)	1	0	1	6
Charge-offs	(1)	(1)	0	(2)	(1)	(1)
Recoveries and other	0	1	0	1	1	0
Ending Balance	11	15	16	15	16	15	11
Finance receivables collectively evaluated for impairment	262			284			262
EMEA
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision	(1)	(3)	3	3	0	25
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	37	41	41	38	40	20	41
Provision	(1)	(3)	3	3	0	25
Charge-offs	0	(1)	(1)	(5)	(2)	(4)
Recoveries and other	0	0	(2)	2	0	(1)
Ending Balance	36	$ 37	$ 41	38	$ 38	$ 40	36
Finance receivables collectively evaluated for impairment	$ 1,074			$ 1,115			$ 1,074