Segment Information (Details 6) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Reconciliation of Depreciation and amortization
Total depreciation and amortization	$ 710	$ 740
Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	595	639
All Other operating segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	54	52
Cost Centers
Reconciliation of Depreciation and amortization
Total depreciation and amortization	35	40
Other
Reconciliation of Depreciation and amortization
Total depreciation and amortization	26	9
Machinery, Energy & Transportation | Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	387	434
Machinery, Energy & Transportation | Business
Reconciliation of Depreciation and amortization
Total depreciation and amortization	491	525
Machinery, Energy & Transportation | Business | Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	387	434
Machinery, Energy & Transportation | Business | All Other operating segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	54	52
Machinery, Energy & Transportation | Business | Cost Centers
Reconciliation of Depreciation and amortization
Total depreciation and amortization	35	40
Machinery, Energy & Transportation | Business | Other
Reconciliation of Depreciation and amortization
Total depreciation and amortization	15	(1)
Financial Products | Business
Reconciliation of Depreciation and amortization
Total depreciation and amortization	219	215
Financial Products | Business | Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	208	205
Financial Products | Business | All Other operating segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	0	0
Financial Products | Business | Cost Centers
Reconciliation of Depreciation and amortization
Total depreciation and amortization	0	0
Financial Products | Business | Other
Reconciliation of Depreciation and amortization
Total depreciation and amortization	$ 11	$ 10