Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Segment Reporting Information
External Revenues	$ 676	$ 659	$ 1,338	$ 1,302
Profit before income taxes	164	148	331	293
Interest Expense	168	152	330	307
Depreciation on equipment leased to others	202	211	407	414
Provision for credit losses	18	38	34	67
Assets	34,838		34,838		$ 33,615
Capital expenditures	439	612	710	909
Operating Segments
Segment Reporting Information
External Revenues	649	647	1,288	1,280
Profit before income taxes	175	160	353	320
Interest Expense	159	154	315	310
Depreciation on equipment leased to others	202	210	407	413
Provision for credit losses	20	37	33	68
Assets	32,041		32,041		32,383
Capital expenditures	436	612	706	907
Unallocated
Segment Reporting Information
External Revenues	34	21	65	39
Profit before income taxes	(44)	(32)	(81)	(64)
Interest Expense	47	25	89	49
Depreciation on equipment leased to others	0	0	0	0
Provision for credit losses	0	1	0	1
Assets	3,252		3,252		1,688
Capital expenditures	3	2	4	3
Timing
Segment Reporting Information
External Revenues	(7)	(9)	(15)	(17)
Profit before income taxes	(1)	(2)	(7)	(6)
Interest Expense	0	0	0	0
Depreciation on equipment leased to others	0	1	0	1
Provision for credit losses	(2)	0	1	(2)
Assets	26		26		27
Capital expenditures	0	(2)	0	(1)
Methodology
Segment Reporting Information
External Revenues	0	0	0	0
Profit before income taxes	34	22	66	43
Interest Expense	(38)	(27)	(74)	(52)
Depreciation on equipment leased to others	0	0	0	0
Provision for credit losses	0	0	0	0
Assets	(253)		(253)		(220)
Capital expenditures	0	0	0	0
Inter-segment Eliminations
Segment Reporting Information
External Revenues	0	0	0	0
Profit before income taxes	0	0	0	0
Interest Expense	0	0	0	0
Depreciation on equipment leased to others	0	0	0	0
Provision for credit losses	0	0	0	0
Assets	(228)		(228)		(263)
Capital expenditures	0	0	0	0
North America | Operating Segments
Segment Reporting Information
External Revenues	331	317	651	617
Profit before income taxes	90	94	172	176
Interest Expense	74	73	147	146
Depreciation on equipment leased to others	129	118	258	227
Provision for credit losses	7	4	14	13
Assets	14,933		14,933		14,925
Capital expenditures	353	480	535	652
Europe | Operating Segments
Segment Reporting Information
External Revenues	67	68	132	134
Profit before income taxes	22	22	42	42
Interest Expense	9	9	18	17
Depreciation on equipment leased to others	21	21	41	41
Provision for credit losses	(3)	0	(2)	2
Assets	3,996		3,996		3,834
Capital expenditures	28	38	46	76
Asia/Pacific | Operating Segments
Segment Reporting Information
External Revenues	66	64	129	125
Profit before income taxes	22	15	48	36
Interest Expense	22	21	42	41
Depreciation on equipment leased to others	7	7	14	13
Provision for credit losses	(2)	6	(6)	5
Assets	3,941		3,941		3,620
Capital expenditures	1	59	3	69
Latin America and CPF | Operating Segments
Segment Reporting Information
External Revenues	113	120	234	245
Profit before income taxes	11	18	46	45
Interest Expense	41	40	83	82
Depreciation on equipment leased to others	11	15	23	32
Provision for credit losses	27	25	36	42
Assets	6,677		6,677		7,270
Capital expenditures	9	7	42	24
Mining | Operating Segments
Segment Reporting Information
External Revenues	72	78	142	159
Profit before income taxes	30	11	45	21
Interest Expense	13	11	25	24
Depreciation on equipment leased to others	34	49	71	100
Provision for credit losses	(9)	2	(9)	6
Assets	2,494		2,494		$ 2,734
Capital expenditures	$ 45	$ 28	$ 80	$ 86