Segment Information (Details 2) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Reconciliation of Sales and revenues
Sales and revenues	$ 9,160	$ 10,962	$ 28,963	$ 35,981
Reportable Segments
Reconciliation of Sales and revenues
Sales and revenues	9,214	11,021	29,119	36,060
All Other operating segments
Reconciliation of Sales and revenues
Sales and revenues	28	39	107	166
Other
Reconciliation of Sales and revenues
Sales and revenues	(82)	(98)	(263)	(245)
Consolidating Adjustments
Reconciliation of Sales and revenues
Sales and revenues	(71)	(95)	(230)	(238)
Consolidating Adjustments | Reportable Segments
Reconciliation of Sales and revenues
Sales and revenues	0	0	0	0
Consolidating Adjustments | All Other operating segments
Reconciliation of Sales and revenues
Sales and revenues	0	0	0	0
Consolidating Adjustments | Other
Reconciliation of Sales and revenues
Sales and revenues	(71)	(95)	(230)	(238)
Machinery, Energy & Transportation | Reportable Segments
Reconciliation of Sales and revenues
Sales and revenues	8,465	10,269	26,868	33,728
Machinery, Energy & Transportation | Business
Reconciliation of Sales and revenues
Sales and revenues	8,463	10,285	26,888	33,829
Machinery, Energy & Transportation | Business | Reportable Segments
Reconciliation of Sales and revenues
Sales and revenues	8,465	10,269	26,868	33,728
Machinery, Energy & Transportation | Business | All Other operating segments
Reconciliation of Sales and revenues
Sales and revenues	28	39	107	166
Machinery, Energy & Transportation | Business | Other
Reconciliation of Sales and revenues
Sales and revenues	(30)	(23)	(87)	(65)
Financial Products | Business
Reconciliation of Sales and revenues
Sales and revenues	768	772	2,305	2,390
Financial Products | Business | Reportable Segments
Reconciliation of Sales and revenues
Sales and revenues	749	752	2,251	2,332
Financial Products | Business | All Other operating segments
Reconciliation of Sales and revenues
Sales and revenues	0	0	0	0
Financial Products | Business | Other
Reconciliation of Sales and revenues
Sales and revenues	$ 19	$ 20	$ 54	$ 58