Finance Receivables, Net - Aging (Details) - USD ($) $ in Millions		Sep. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		$ 3,601	$ 3,860
Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		106	115
Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		3,495	3,745
Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		82	91
31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		14	15
90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		10	9
90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing		103	102
United States
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		1,950	2,029
United States | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		76	83
United States | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		1,874	1,946
United States | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		59	66
United States | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		10	10
United States | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		7	7
United States | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing		48	51
United States | Finance and other services
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		595	619
United States | Finance and other services | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		19	22
United States | Finance and other services | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		576	597
United States | Finance and other services | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		14	18
United States | Finance and other services | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		3	3
United States | Finance and other services | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		2	1
United States | Finance and other services | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing		9	12
United States | Government and education
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		531	557
United States | Government and education | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		23	24
United States | Government and education | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		508	533
United States | Government and education | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		18	18
United States | Government and education | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		3	3
United States | Government and education | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		2	3
United States | Government and education | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing		20	21
United States | Graphic arts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		309	322
United States | Graphic arts | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		13	13
United States | Graphic arts | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		296	309
United States | Graphic arts | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		12	12
United States | Graphic arts | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		1	1
United States | Graphic arts | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		0	0
United States | Graphic arts | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing		6	6
United States | Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		178	180
United States | Industrial | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		7	8
United States | Industrial | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		171	172
United States | Industrial | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		5	6
United States | Industrial | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		1	1
United States | Industrial | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		1	1
United States | Industrial | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing		5	4
United States | Healthcare
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		140	145
United States | Healthcare | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		6	7
United States | Healthcare | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		134	138
United States | Healthcare | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		4	5
United States | Healthcare | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		1	1
United States | Healthcare | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		1	1
United States | Healthcare | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing		4	5
United States | Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		197	206
United States | Other | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		8	9
United States | Other | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		189	197
United States | Other | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		6	7
United States | Other | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		1	1
United States | Other | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		1	1
United States | Other | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing		4	3
Canada
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		352	397
Canada | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		10	11
Canada | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		342	386
Canada | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		7	8
Canada | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		2	2
Canada | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		1	1
Canada | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing		21	17
Canada | Finance and other services
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		108	123
Canada | Government and education
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		47	58
Canada | Graphic arts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		83	96
Canada | Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		39	43
Canada | Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		75	77
Europe
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		1,242	1,362
Europe | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		17	18
Europe | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		1,225	1,344
Europe | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		13	14
Europe | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		2	3
Europe | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		2	1
Europe | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing		34	34
France
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		427	482
France | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		6	6
France | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		421	476
France | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		6	6
France | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		0	0
France | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		0	0
France | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing		18	22
U.K./Ireland
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		241	266
U.K./Ireland | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		2	3
U.K./Ireland | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		239	263
U.K./Ireland | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		2	3
U.K./Ireland | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		0	0
U.K./Ireland | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		0	0
U.K./Ireland | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing		1	0
Central
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[1],[2]	328	354
Central | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[1]	3	3
Central | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[1]	325	351
Central | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[1]	1	1
Central | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[1]	1	2
Central | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[1]	1	0
Central | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing	[1]	8	6
Southern
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[3]	201	209
Southern | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[3]	5	6
Southern | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[3]	196	203
Southern | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[3]	3	4
Southern | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[3]	1	1
Southern | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[3]	1	1
Southern | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing	[3]	7	6
Nordics
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[4]	45	51
Nordics | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[4]	1	0
Nordics | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[4]	44	51
Nordics | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[4]	1	0
Nordics | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[4]	0	0
Nordics | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables	[4]	0	0
Nordics | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing	[4]	0	0
Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		57	72
Other | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		3	3
Other | Unbilled Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		54	69
Other | Current | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		3	3
Other | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		0	0
Other | 90 Days Past Due | Billed Revenues
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Finance Receivables		0	0
Other | 90 Days and Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, 90 Days Past Due and Accruing		$ 0	$ 0

[1] Switzerland, Germany, Austria, Belgium and Holland

[2] Switzerland, Germany, Austria, Belgium and Holland.

[3] Italy, Greece, Spain and Portugal.

[4] Sweden, Norway, Denmark and Finland.