Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Segment Reporting Information
External Revenues	$ 659	$ 683	$ 1,302	$ 1,372
Profit before income taxes	148	150	293	337
Interest Expense	152	150	307	301
Depreciation on equipment leased to others	211	210	414	422
Provision for credit losses	38	49	67	67
Assets	35,055		35,055		$ 33,867
Capital expenditures	612	342	909	636
Operating Segments
Segment Reporting Information
External Revenues	647	674	1,280	1,355
Profit before income taxes	160	166	320	372
Interest Expense	154	152	310	307
Depreciation on equipment leased to others	210	210	413	422
Provision for credit losses	37	50	68	64
Assets	32,613		32,613		32,423
Capital expenditures	612	342	907	635
Unallocated
Segment Reporting Information
External Revenues	21	16	39	32
Profit before income taxes	(32)	(28)	(64)	(48)
Interest Expense	25	16	49	31
Depreciation on equipment leased to others	0	0	0	0
Provision for credit losses	1	0	1	0
Assets	2,896		2,896		1,743
Capital expenditures	2	0	3	0
Timing
Segment Reporting Information
External Revenues	(9)	(7)	(17)	(15)
Profit before income taxes	(2)	(3)	(6)	(14)
Interest Expense	0	0	0	0
Depreciation on equipment leased to others	1	0	1	0
Provision for credit losses	0	(1)	(2)	3
Assets	26		26		164
Capital expenditures	(2)	0	(1)	1
Methodology
Segment Reporting Information
External Revenues	0	0	0	0
Profit before income taxes	22	15	43	27
Interest Expense	(27)	(18)	(52)	(37)
Depreciation on equipment leased to others	0	0	0	0
Provision for credit losses	0	0	0	0
Assets	(190)		(190)		(216)
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	(290)		(290)		(247)
Capital expenditures	0	0	0	0
North America | Operating Segments
Segment Reporting Information
External Revenues	317	290	617	574
Profit before income taxes	94	93	176	190
Interest Expense	73	64	146	127
Depreciation on equipment leased to others	118	100	227	201
Provision for credit losses	4	6	13	2
Assets	15,094		15,094		14,419
Capital expenditures	480	278	652	454
Europe | Operating Segments
Segment Reporting Information
External Revenues	68	72	134	147
Profit before income taxes	22	27	42	57
Interest Expense	9	9	17	17
Depreciation on equipment leased to others	21	19	41	39
Provision for credit losses	0	0	2	0
Assets	3,827		3,827		3,758
Capital expenditures	38	32	76	52
Asia/Pacific | Operating Segments
Segment Reporting Information
External Revenues	64	77	125	157
Profit before income taxes	15	15	36	35
Interest Expense	21	27	41	58
Depreciation on equipment leased to others	7	5	13	10
Provision for credit losses	6	11	5	20
Assets	3,801		3,801		3,923
Capital expenditures	59	13	69	17
Latin America and CPF | Operating Segments
Segment Reporting Information
External Revenues	120	133	245	273
Profit before income taxes	18	19	45	48
Interest Expense	40	38	82	76
Depreciation on equipment leased to others	15	28	32	56
Provision for credit losses	25	21	42	40
Assets	7,142		7,142		7,376
Capital expenditures	7	19	24	43
Mining | Operating Segments
Segment Reporting Information
External Revenues	78	102	159	204
Profit before income taxes	11	12	21	42
Interest Expense	11	14	24	29
Depreciation on equipment leased to others	49	58	100	116
Provision for credit losses	2	12	6	2
Assets	2,749		2,749		$ 2,947
Capital expenditures	$ 28	$ 0	$ 86	$ 69