Segment Information (Details 7) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Reconciliation of Capital expenditures
Total capital expenditures	$ 595	$ 726	$ 2,200	$ 2,197
Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	568	673	1,882	1,868
All Other operating segments
Reconciliation of Capital expenditures
Total capital expenditures	35	33	102	86
Cost Centers
Reconciliation of Capital expenditures
Total capital expenditures	20	52	48	98
Timing
Reconciliation of Capital expenditures
Total capital expenditures	4	(35)	221	199
Other
Reconciliation of Capital expenditures
Total capital expenditures	(32)	3	(53)	(54)
Consolidating Adjustments
Reconciliation of Capital expenditures
Total capital expenditures	(24)	(4)	(41)	(23)
Consolidating Adjustments | Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	0	0	0	0
Consolidating Adjustments | All Other operating segments
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	(24)	(4)	(41)	(23)
Machinery, Energy & Transportation | Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	211	314	616	873
Machinery, Energy & Transportation | Business
Reconciliation of Capital expenditures
Total capital expenditures	240	336	858	1,095
Machinery, Energy & Transportation | Business | Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	211	314	616	873
Machinery, Energy & Transportation | Business | All Other operating segments
Reconciliation of Capital expenditures
Total capital expenditures	35	33	102	86
Machinery, Energy & Transportation | Business | Cost Centers
Reconciliation of Capital expenditures
Total capital expenditures	20	52	48	98
Machinery, Energy & Transportation | Business | Timing
Reconciliation of Capital expenditures
Total capital expenditures	4	(35)	221	199
Machinery, Energy & Transportation | Business | Other
Reconciliation of Capital expenditures
Total capital expenditures	(30)	(28)	(129)	(161)
Financial Products | Business
Reconciliation of Capital expenditures
Total capital expenditures	379	394	1,383	1,125
Financial Products | Business | Reportable Segments
Reconciliation of Capital expenditures
Total capital expenditures	357	359	1,266	995
Financial Products | Business | All Other operating segments
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	$ 22	$ 35	$ 117	$ 130