Segment Information (Details 6) (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 capital expenditures:
All other operating segments	$ 90	$ 51	$ 154	$ 89
Cost centers	65	19	103	34
Timing	(81)	(74)	321	240
Other	(63)	14	(173)	7
Total capital expenditures	1,166	744	2,295	1,504
Reportable segments
Segment Reporting Information, Capital Expenditure
Total accountable capital expenditures from reportable segments	1,155	734	1,890	1,134
Machinery and Power Systems
Items not included in segment capital expenditures:
All other operating segments	90	51	154	89
Cost centers	65	19	103	34
Timing	(81)	(74)	321	240
Other	(91)	16	(123)	(3)
Total capital expenditures	681	407	1,545	975
Machinery and Power Systems | Reportable segments
Segment Reporting Information, Capital Expenditure
Total accountable capital expenditures from reportable segments	698	395	1,090	615
Financial Products
Items not included in segment capital expenditures:
All other operating segments	0	0	0	0
Cost centers	0	0	0	0
Timing	0	0	0	0
Other	57	22	74	55
Total capital expenditures	514	361	874	574
Financial Products | Reportable segments
Segment Reporting Information, Capital Expenditure
Total accountable capital expenditures from reportable segments	457	339	800	519
Consolidating Adjustments
Items not included in segment capital expenditures:
All other operating segments	0	0	0	0
Cost centers	0	0	0	0
Timing	0	0	0	0
Other	(29)	(24)	(124)	(45)
Total capital expenditures	(29)	(24)	(124)	(45)
Consolidating Adjustments | Reportable segments
Segment Reporting Information, Capital Expenditure
Total accountable capital expenditures from reportable segments	$ 0	$ 0	$ 0	$ 0