Segment Information (Details 7) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Reconciliation of Capital expenditures
Total capital expenditures	$ 739	$ 1,232
Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	433	624
All Other operating segments
Reconciliation of Capital expenditures
Total capital expenditures	38	64
Cost Centers
Reconciliation of Capital expenditures
Total capital expenditures	21	35
Timing
Reconciliation of Capital expenditures
Total capital expenditures	267	534
Other
Reconciliation of Capital expenditures
Total capital expenditures	(20)	(25)
Consolidating Adjustments
Reconciliation of Capital expenditures
Total capital expenditures	(23)	(17)
Consolidating Adjustments | Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	0	0
Consolidating Adjustments | All Other operating segments
Reconciliation of Capital expenditures
Total capital expenditures	0	0
Consolidating Adjustments | Cost Centers
Reconciliation of Capital expenditures
Total capital expenditures	0	0
Consolidating Adjustments | Timing
Reconciliation of Capital expenditures
Total capital expenditures	0	0
Consolidating Adjustments | Other
Reconciliation of Capital expenditures
Total capital expenditures	(23)	(17)
Machinery, Energy & Transportation | Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	164	304
Machinery, Energy & Transportation | Business
Reconciliation of Capital expenditures
Total capital expenditures	469	913
Machinery, Energy & Transportation | Business | Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	164	304
Machinery, Energy & Transportation | Business | All Other operating segments
Reconciliation of Capital expenditures
Total capital expenditures	38	64
Machinery, Energy & Transportation | Business | Cost Centers
Reconciliation of Capital expenditures
Total capital expenditures	21	35
Machinery, Energy & Transportation | Business | Timing
Reconciliation of Capital expenditures
Total capital expenditures	267	534
Machinery, Energy & Transportation | Business | Other
Reconciliation of Capital expenditures
Total capital expenditures	(21)	(24)
Financial Products | Business
Reconciliation of Capital expenditures
Total capital expenditures	293	336
Financial Products | Business | Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	269	320
Financial Products | Business | All Other operating segments
Reconciliation of Capital expenditures
Total capital expenditures	0	0
Financial Products | Business | Cost Centers
Reconciliation of Capital expenditures
Total capital expenditures	0	0
Financial Products | Business | Timing
Reconciliation of Capital expenditures
Total capital expenditures	0	0
Financial Products | Business | Other
Reconciliation of Capital expenditures
Total capital expenditures	$ 24	$ 16