Segment Information (Details 4) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Reconciliation of restructuring
Consolidated profit before taxes	$ 1,159	$ 739	$ 1,448	$ 1,104
Restructuring costs	(169)	(139)	(921)	(300)	$ (1,019)
Reportable Segments
Reconciliation of restructuring
Consolidated profit before taxes	1,889	1,191	3,417	2,113
Reportable Segments \| Construction Industries
Reconciliation of restructuring
Consolidated profit before taxes	901	550	1,536	990
Reportable Segments \| Resource Industries
Reconciliation of restructuring
Consolidated profit before taxes	97	(163)	255	(259)
Reportable Segments \| Energy & Transportation
Reconciliation of restructuring
Consolidated profit before taxes	700	602	1,252	1,012
Reportable Segments \| Financial Products Segment
Reconciliation of restructuring
Consolidated profit before taxes	191	202	374	370
All Other operating segments
Reconciliation of restructuring
Consolidated profit before taxes	(20)	(14)	(33)	(21)
Business
Reconciliation of restructuring
Consolidated profit before taxes	1,869	1,177	3,384	2,092
Restructuring costs	(196)	(138)	(943)	(292)
Consolidated profit before taxes with restructuring costs	1,673	1,039	2,441	1,800
Business \| Reportable Segments \| Construction Industries
Reconciliation of restructuring
Consolidated profit before taxes	901	550	1,536	990
Restructuring costs	(27)	(3)	(694)	(25)
Consolidated profit before taxes with restructuring costs	874	547	842	965
Business \| Reportable Segments \| Resource Industries
Reconciliation of restructuring
Consolidated profit before taxes	97	(163)	255	(259)
Restructuring costs	(111)	(69)	(170)	(94)
Consolidated profit before taxes with restructuring costs	(14)	(232)	85	(353)
Business \| Reportable Segments \| Energy & Transportation
Reconciliation of restructuring
Consolidated profit before taxes	700	602	1,252	1,012
Restructuring costs	(44)	(55)	(58)	(155)
Consolidated profit before taxes with restructuring costs	656	547	1,194	857
Business \| Reportable Segments \| Financial Products Segment
Reconciliation of restructuring
Consolidated profit before taxes	191	202	374	370
Restructuring costs	(1)	(2)	(2)	(4)
Consolidated profit before taxes with restructuring costs	190	200	372	366
Business \| All Other operating segments \| All Other
Reconciliation of restructuring
Consolidated profit before taxes	(20)	(14)	(33)	(21)
Restructuring costs	(13)	(9)	(19)	(14)
Consolidated profit before taxes with restructuring costs	$ (33)	$ (23)	$ (52)	$ (35)

Sum of operating profit and nonoperating income or expense including restructuring costs before income or loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
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