Segment Information (Details 6) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Reconciliation of Depreciation and amortization
Total depreciation and amortization	$ 761	$ 758	$ 2,255	$ 2,272
Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	652	665	1,942	2,008
All Other operating segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	53	51	158	151
Cost Centers
Reconciliation of Depreciation and amortization
Total depreciation and amortization	39	39	117	114
Other
Reconciliation of Depreciation and amortization
Total depreciation and amortization	17	3	38	(1)
Machinery, Energy & Transportation | Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	437	455	1,309	1,370
Machinery, Energy & Transportation | Business
Reconciliation of Depreciation and amortization
Total depreciation and amortization	535	538	1,591	1,608
Machinery, Energy & Transportation | Business | Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	437	455	1,309	1,370
Machinery, Energy & Transportation | Business | All Other operating segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	53	51	158	151
Machinery, Energy & Transportation | Business | Cost Centers
Reconciliation of Depreciation and amortization
Total depreciation and amortization	39	39	117	114
Machinery, Energy & Transportation | Business | Other
Reconciliation of Depreciation and amortization
Total depreciation and amortization	6	(7)	7	(27)
Financial Products | Business
Reconciliation of Depreciation and amortization
Total depreciation and amortization	226	220	664	664
Financial Products | Business | Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	215	210	633	638
Financial Products | Business | All Other operating segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	0	0	0	0
Financial Products | Business | Cost Centers
Reconciliation of Depreciation and amortization
Total depreciation and amortization	0	0	0	0
Financial Products | Business | Other
Reconciliation of Depreciation and amortization
Total depreciation and amortization	$ 11	$ 10	$ 31	$ 26