Segment Information (Details 6) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Items not included in segment capital expenditures:
All other operating segments	$ 41	$ 64
Cost centers	27	38
Timing	534	402
Other	(25)	(110)
Total capital expenditures	1,232	1,129
Reportable segments
Items not included in segment capital expenditures:
Total capital expenditures	655	735
Machinery and Power Systems
Items not included in segment capital expenditures:
All other operating segments	41	64
Cost centers	27	38
Timing	534	402
Other	(24)	(32)
Total capital expenditures	913	864
Machinery and Power Systems | Reportable segments
Items not included in segment capital expenditures:
Total capital expenditures	335	392
Financial Products
Items not included in segment capital expenditures:
All other operating segments	0	0
Cost centers	0	0
Timing	0	0
Other	16	17
Total capital expenditures	336	360
Financial Products | Reportable segments
Items not included in segment capital expenditures:
Total capital expenditures	320	343
Consolidating Adjustments
Items not included in segment capital expenditures:
All other operating segments	0	0
Cost centers	0	0
Timing	0	0
Other	(17)	(95)
Total capital expenditures	(17)	(95)
Consolidating Adjustments | Reportable segments
Items not included in segment capital expenditures:
Total capital expenditures	$ 0	$ 0