Segment Information (Details 5) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Reconciliation of Depreciation and amortization
Total depreciation and amortization	$ 779	$ 720	$ 2,263	$ 2,070
Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	701	659	2,023	1,896
All Other operating segment
Reconciliation of Depreciation and amortization
Total depreciation and amortization	43	41	127	125
Cost Centers
Reconciliation of Depreciation and amortization
Total depreciation and amortization	36	23	104	64
Other
Reconciliation of Depreciation and amortization
Total depreciation and amortization	(1)	(3)	9	(15)
Machinery and Power Systems | Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	498	480	1,452	1,366
Machinery and Power Systems | Business
Reconciliation of Depreciation and amortization
Total depreciation and amortization	570	535	1,674	1,523
Machinery and Power Systems | Business | Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	498	480	1,452	1,366
Machinery and Power Systems | Business | All Other operating segment
Reconciliation of Depreciation and amortization
Total depreciation and amortization	43	41	127	125
Machinery and Power Systems | Business | Cost Centers
Reconciliation of Depreciation and amortization
Total depreciation and amortization	36	23	104	64
Machinery and Power Systems | Business | Other
Reconciliation of Depreciation and amortization
Total depreciation and amortization	(7)	(9)	(9)	(32)
Financial Products | Business
Reconciliation of Depreciation and amortization
Total depreciation and amortization	209	185	589	547
Financial Products | Business | Reportable Segments
Reconciliation of Depreciation and amortization
Total depreciation and amortization	203	179	571	530
Financial Products | Business | All Other operating segment
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	$ 6	$ 6	$ 18	$ 17