Segment Information (Details 6) (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 Capital expenditures
Total capital expenditures	$ 966	$ 1,231	$ 3,163	$ 3,526
Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	847	1,152	2,395	3,042
All Other operating segment
Reconciliation of Capital expenditures
Total capital expenditures	88	75	200	229
Cost Centers
Reconciliation of Capital expenditures
Total capital expenditures	41	16	115	119
Timing
Reconciliation of Capital expenditures
Total capital expenditures	5	(40)	531	281
Other
Reconciliation of Capital expenditures
Total capital expenditures	(15)	28	(78)	(145)
Consolidating Adjustments
Reconciliation of Capital expenditures
Total capital expenditures	(15)	(15)	(50)	(139)
Consolidating Adjustments | Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	0	0	0	0
Consolidating Adjustments | All Other operating segment
Reconciliation of Capital expenditures
Total capital expenditures	0	0	0	0
Consolidating Adjustments | Cost Centers
Reconciliation of Capital expenditures
Total capital expenditures	0	0	0	0
Consolidating Adjustments | Timing
Reconciliation of Capital expenditures
Total capital expenditures	0	0	0	0
Consolidating Adjustments | Other
Reconciliation of Capital expenditures
Total capital expenditures	(15)	(15)	(50)	(139)
Machinery and Power Systems | Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	374	720	1,151	1,810
Machinery and Power Systems | Business
Reconciliation of Capital expenditures
Total capital expenditures	490	779	1,903	2,324
Machinery and Power Systems | Business | Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	374	720	1,151	1,810
Machinery and Power Systems | Business | All Other operating segment
Reconciliation of Capital expenditures
Total capital expenditures	88	75	200	229
Machinery and Power Systems | Business | Cost Centers
Reconciliation of Capital expenditures
Total capital expenditures	41	16	115	119
Machinery and Power Systems | Business | Timing
Reconciliation of Capital expenditures
Total capital expenditures	5	(40)	531	281
Machinery and Power Systems | Business | Other
Reconciliation of Capital expenditures
Total capital expenditures	(18)	8	(94)	(115)
Financial Products | Business
Reconciliation of Capital expenditures
Total capital expenditures	491	467	1,310	1,341
Financial Products | Business | Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	473	432	1,244	1,232
Financial Products | Business | All Other operating segment
Reconciliation of Capital expenditures
Total capital expenditures	0	0	0	0
Financial Products | Business | Cost Centers
Reconciliation of Capital expenditures
Total capital expenditures	0	0	0	0
Financial Products | Business | Timing
Reconciliation of Capital expenditures
Total capital expenditures	0	0	0	0
Financial Products | Business | Other
Reconciliation of Capital expenditures
Total capital expenditures	$ 18	$ 35	$ 66	$ 109