Segment Information (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Segment Reporting Information
Consolidated profit before taxes	$ 1,342	$ 1,127
Restructuring costs	(149)		(200)
Reportable Segments
Segment Reporting Information
Consolidated profit before taxes	1,904	1,551
Reportable Segments | Construction Industries
Segment Reporting Information
Consolidated profit before taxes	688	228
Reportable Segments | Resource Industries
Segment Reporting Information
Consolidated profit before taxes	149	459
Reportable Segments | Energy & Transportation
Segment Reporting Information
Consolidated profit before taxes	827	591
Reportable Segments | Financial Products Segment
Segment Reporting Information
Consolidated profit before taxes	240	273
All Other operating segments
Segment Reporting Information
Consolidated profit before taxes	235	205
Business
Segment Reporting Information
Consolidated profit before taxes	2,139	1,756
Restructuring costs	(149)	(7)
Consolidated profit before taxes with restructuring costs	1,990	1,749
Business | Reportable Segments | Construction Industries
Segment Reporting Information
Consolidated profit before taxes	688	228
Restructuring costs	(131)	(2)
Consolidated profit before taxes with restructuring costs	557	226
Business | Reportable Segments | Resource Industries
Segment Reporting Information
Consolidated profit before taxes	149	459
Restructuring costs	(11)	(2)
Consolidated profit before taxes with restructuring costs	138	457
Business | Reportable Segments | Energy & Transportation
Segment Reporting Information
Consolidated profit before taxes	827	591
Restructuring costs	(3)	(2)
Consolidated profit before taxes with restructuring costs	824	589
Business | Reportable Segments | Financial Products Segment
Segment Reporting Information
Consolidated profit before taxes	240	273
Restructuring costs	0	0
Consolidated profit before taxes with restructuring costs	240	273
Business | All Other operating segments | All Other
Segment Reporting Information
Consolidated profit before taxes	235	205
Restructuring costs	(4)	(1)
Consolidated profit before taxes with restructuring costs	$ 231	$ 204