Segment Information (Details 6) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Reconciliation of Depreciation and amortization
Total depreciation and amortization	$ 781	$ 723
Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	682	610
All Other operating segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	66	79
Cost Centers
Reconciliation of Depreciation and amortization
Total depreciation and amortization	37	36
Other
Reconciliation of Depreciation and amortization
Total depreciation and amortization	(4)	(2)
Machinery, Energy & Transportation | Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	463	430
Machinery, Energy & Transportation | Business
Reconciliation of Depreciation and amortization
Total depreciation and amortization	556	538
Machinery, Energy & Transportation | Business | Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	463	430
Machinery, Energy & Transportation | Business | All Other operating segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	66	79
Machinery, Energy & Transportation | Business | Cost Centers
Reconciliation of Depreciation and amortization
Total depreciation and amortization	37	36
Machinery, Energy & Transportation | Business | Other
Reconciliation of Depreciation and amortization
Total depreciation and amortization	(10)	(7)
Financial Products | Business
Reconciliation of Depreciation and amortization
Total depreciation and amortization	225	185
Financial Products | Business | Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	219	180
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	$ 6	$ 5