Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Segment Reporting Information
External Revenues	$ 643	$ 689
Profit before income taxes	145	187
Interest Expense	155	151
Depreciation on equipment leased to others	203	212
Provision for credit losses	29	18
Assets	35,340		$ 33,867
Capital expenditures	297	294
Operating Segments
Segment Reporting Information
External Revenues	633	681
Profit before income taxes	160	206
Interest Expense	156	155
Depreciation on equipment leased to others	203	212
Provision for credit losses	31	14
Assets	32,832		32,423
Capital expenditures	295	293
Unallocated
Segment Reporting Information
External Revenues	18	16
Profit before income taxes	(32)	(20)
Interest Expense	24	15
Depreciation on equipment leased to others	0	0
Provision for credit losses	0	0
Assets	2,820		1,743
Capital expenditures	1	0
Timing
Segment Reporting Information
External Revenues	(8)	(8)
Profit before income taxes	(4)	(11)
Interest Expense	0	0
Depreciation on equipment leased to others	0	0
Provision for credit losses	(2)	4
Assets	147		164
Capital expenditures	1	1
Methodology
Segment Reporting Information
External Revenues	0	0
Profit before income taxes	21	12
Interest Expense	(25)	(19)
Depreciation on equipment leased to others	0	0
Provision for credit losses	0	0
Assets	(194)		(216)
Capital expenditures	0	0
Inter-segment Eliminations
Segment Reporting Information
External Revenues	0	0
Profit before income taxes	0	0
Interest Expense	0	0
Depreciation on equipment leased to others	0	0
Provision for credit losses	0	0
Assets	(265)		(247)
Capital expenditures	0	0
North America | Operating Segments
Segment Reporting Information
External Revenues	300	284
Profit before income taxes	82	97
Interest Expense	73	63
Depreciation on equipment leased to others	109	101
Provision for credit losses	9	(4)
Assets	14,973		14,419
Capital expenditures	172	176
Europe | Operating Segments
Segment Reporting Information
External Revenues	66	75
Profit before income taxes	20	30
Interest Expense	8	8
Depreciation on equipment leased to others	20	20
Provision for credit losses	2	0
Assets	3,860		3,758
Capital expenditures	38	20
Asia/Pacific | Operating Segments
Segment Reporting Information
External Revenues	61	80
Profit before income taxes	21	20
Interest Expense	20	31
Depreciation on equipment leased to others	6	5
Provision for credit losses	(1)	9
Assets	3,918		3,923
Capital expenditures	10	4
Latin America and CPF | Operating Segments
Segment Reporting Information
External Revenues	125	140
Profit before income taxes	27	29
Interest Expense	42	38
Depreciation on equipment leased to others	17	28
Provision for credit losses	17	19
Assets	7,320		7,376
Capital expenditures	17	24
Mining | Operating Segments
Segment Reporting Information
External Revenues	81	102
Profit before income taxes	10	30
Interest Expense	13	15
Depreciation on equipment leased to others	51	58
Provision for credit losses	4	(10)
Assets	2,761		$ 2,947
Capital expenditures	$ 58	$ 69