Intangible Assets and Goodwill (Details 2) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 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 Acquired			26
Goodwill impairment charge	$ 0	$ 0	0	$ 0
Other adjustments			84
Goodwill, end of period	7,327		7,327
Impairments, end of period	(602)		(602)
Net goodwill, end of period	6,725		6,725
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
Goodwill Acquired			0
Other adjustments			30
Goodwill, end of period	315		315
Impairments, end of period	(22)		(22)
Net goodwill, end of period	293		293
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
Goodwill Acquired			0
Other adjustments			36
Goodwill, end of period	4,181		4,181
Impairments, end of period	(580)		(580)
Net goodwill, end of period	3,601		3,601
Energy & Transportation
Changes in carrying amount of goodwill by reportable segment:
Goodwill, beginning of period			2,738
Goodwill Acquired			26
Other adjustments			8
Goodwill, end of period	2,772		2,772
Reassigned goodwill			118
All Other
Changes in carrying amount of goodwill by reportable segment:
Goodwill, beginning of period			49
Goodwill Acquired			0
Other adjustments			10
Goodwill, end of period	$ 59		$ 59