Finance Receivables, Net - Credit Quality Indicators (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
CY	$ 700	$ 1,140
CY - 1	982	1,005
CY - 2	815	680
CY - 3	497	337
CY - 4	206	116
Prior	50	20
Total	3,250	3,298
United States (Direct)
Financing Receivable, Credit Quality Indicator [Line Items]
CY	184	308
CY - 1	268	288
CY - 2	233	207
CY - 3	150	110
CY - 4	67	45
Prior	19	9
Total	921	967
United States (Indirect)
Financing Receivable, Credit Quality Indicator [Line Items]
CY	242	341
CY - 1	299	273
CY - 2	224	159
CY - 3	114	67
CY - 4	41	16
Prior	4	0
Total	924	856
Canada
Financing Receivable, Credit Quality Indicator [Line Items]
CY	47	101
CY - 1	89	83
CY - 2	71	60
CY - 3	47	37
CY - 4	23	14
Prior	6	2
Total	283	297
EMEA
Financing Receivable, Credit Quality Indicator [Line Items]
CY	227	390
CY - 1	326	361
CY - 2	287	254
CY - 3	186	123
CY - 4	75	41
Prior	21	9
Total	1,122	1,178
Low Credit Risk
Financing Receivable, Credit Quality Indicator [Line Items]
CY	364	591
CY - 1	511	502
CY - 2	422	362
CY - 3	275	176
CY - 4	111	64
Prior	28	9
Total	1,711	1,704
Low Credit Risk | United States (Direct)
Financing Receivable, Credit Quality Indicator [Line Items]
CY	101	164
CY - 1	142	151
CY - 2	124	128
CY - 3	94	71
CY - 4	43	32
Prior	12	4
Total	516	550
Low Credit Risk | United States (Indirect)
Financing Receivable, Credit Quality Indicator [Line Items]
CY	119	193
CY - 1	166	140
CY - 2	121	79
CY - 3	60	33
CY - 4	21	7
Prior	2	0
Total	489	452
Low Credit Risk | Canada
Financing Receivable, Credit Quality Indicator [Line Items]
CY	21	37
CY - 1	33	34
CY - 2	29	24
CY - 3	19	10
CY - 4	6	5
Prior	2	1
Total	110	111
Low Credit Risk | EMEA
Financing Receivable, Credit Quality Indicator [Line Items]
CY	123	197
CY - 1	170	177
CY - 2	148	131
CY - 3	102	62
CY - 4	41	20
Prior	12	4
Total	596	591
Average Credit Risk
Financing Receivable, Credit Quality Indicator [Line Items]
CY	264	399
CY - 1	338	418
CY - 2	323	257
CY - 3	178	125
CY - 4	73	39
Prior	16	7
Total	1,192	1,245
Average Credit Risk | United States (Direct)
Financing Receivable, Credit Quality Indicator [Line Items]
CY	42	54
CY - 1	45	95
CY - 2	73	52
CY - 3	36	26
CY - 4	15	8
Prior	4	2
Total	215	237
Average Credit Risk | United States (Indirect)
Financing Receivable, Credit Quality Indicator [Line Items]
CY	107	129
CY - 1	115	124
CY - 2	94	71
CY - 3	48	31
CY - 4	18	8
Prior	2	0
Total	384	363
Average Credit Risk | Canada
Financing Receivable, Credit Quality Indicator [Line Items]
CY	21	46
CY - 1	41	39
CY - 2	34	26
CY - 3	20	17
CY - 4	11	6
Prior	3	1
Total	130	135
Average Credit Risk | EMEA
Financing Receivable, Credit Quality Indicator [Line Items]
CY	94	170
CY - 1	137	160
CY - 2	122	108
CY - 3	74	51
CY - 4	29	17
Prior	7	4
Total	463	510
High Credit Risk
Financing Receivable, Credit Quality Indicator [Line Items]
CY	72	150
CY - 1	133	85
CY - 2	70	61
CY - 3	44	36
CY - 4	22	13
Prior	6	4
Total	347	349
High Credit Risk | United States (Direct)
Financing Receivable, Credit Quality Indicator [Line Items]
CY	41	90
CY - 1	81	42
CY - 2	36	27
CY - 3	20	13
CY - 4	9	5
Prior	3	3
Total	190	180
High Credit Risk | United States (Indirect)
Financing Receivable, Credit Quality Indicator [Line Items]
CY	16	19
CY - 1	18	9
CY - 2	9	9
CY - 3	6	3
CY - 4	2	1
Prior	0	0
Total	51	41
High Credit Risk | Canada
Financing Receivable, Credit Quality Indicator [Line Items]
CY	5	18
CY - 1	15	10
CY - 2	8	10
CY - 3	8	10
CY - 4	6	3
Prior	1	0
Total	43	51
High Credit Risk | EMEA
Financing Receivable, Credit Quality Indicator [Line Items]
CY	10	23
CY - 1	19	24
CY - 2	17	15
CY - 3	10	10
CY - 4	5	4
Prior	2	1
Total	$ 63	$ 77