Segment Information (Details 5) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Items not included in segment depreciation and amortization:
All other operating segments	$ 41	$ 41	$ 84	$ 86
Cost centers	22	19	41	37
Other	(5)	30	(12)	39
Total depreciation and amortization	689	599	1,350	1,174
Reportable segments
Items not included in segment depreciation and amortization:
Total depreciation and amortization	631	509	1,237	1,012
Machinery and Power Systems
Items not included in segment depreciation and amortization:
All other operating segments	41	41	84	86
Cost centers	22	19	41	37
Other	(11)	28	(23)	33
Total depreciation and amortization	506	415	988	810
Machinery and Power Systems | Reportable segments
Items not included in segment depreciation and amortization:
Total depreciation and amortization	454	327	886	654
Financial Products
Items not included in segment depreciation and amortization:
All other operating segments	0	0	0	0
Cost centers	0	0	0	0
Other	6	2	11	6
Total depreciation and amortization	183	184	362	364
Financial Products | Reportable segments
Items not included in segment depreciation and amortization:
Total depreciation and amortization	177	182	351	358
Consolidating Adjustments
Items not included in segment depreciation and amortization:
All other operating segments	0	0	0	0
Cost centers	0	0	0	0
Other	0	0	0	0
Total depreciation and amortization	0	0	0	0
Consolidating Adjustments | Reportable segments
Items not included in segment depreciation and amortization:
Total depreciation and amortization	$ 0	$ 0	$ 0	$ 0