Intangible Assets and Goodwill (Details 2) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Changes in carrying amount of goodwill by reportable segment:
Goodwill, beginning of period			$ 7,217
Impairments, beginning of period			(602)
Net goodwill, beginning of period			6,615
Goodwill impairment charge	$ 0	$ 0	0	$ 0
Other adjustments			62
Goodwill, end of period	7,279		7,279
Impairments, end of period	(602)		(602)
Net goodwill, end of period	6,677		6,677
Construction Industries
Changes in carrying amount of goodwill by reportable segment:
Goodwill, beginning of period			285
Impairments, beginning of period			(22)
Net goodwill, beginning of period			263
Other adjustments			17
Goodwill, end of period	302		302
Impairments, end of period	(22)		(22)
Net goodwill, end of period	280		280
Resource Industries
Changes in carrying amount of goodwill by reportable segment:
Goodwill, beginning of period			4,145
Impairments, beginning of period			(580)
Net goodwill, beginning of period			3,565
Other adjustments			25
Goodwill, end of period	4,170		4,170
Impairments, end of period	(580)		(580)
Net goodwill, end of period	3,590		3,590
Energy & Transportation
Changes in carrying amount of goodwill by reportable segment:
Goodwill, beginning of period			2,738
Other adjustments			14
Goodwill, end of period	2,752		2,752
Reassigned goodwill			118
All Other
Changes in carrying amount of goodwill by reportable segment:
Goodwill, beginning of period			49
Other adjustments			6
Goodwill, end of period	$ 55		$ 55