Intangible Assets - Schedule of Intangible Assets by Major Class (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Intangible Assets By Major Class [Line Items]
Gross Book Value	$ 6,386	$ 6,305
Accumulated Amortization	1,673	1,596
Net Book Value	4,713	4,709
Technology/Technical Know-How
Intangible Assets By Major Class [Line Items]
Gross Book Value	1,961	1,960
Accumulated Amortization	626	597
Net Book Value	1,335	1,363
Tradenames
Intangible Assets By Major Class [Line Items]
Gross Book Value	1,647	1,647
Accumulated Amortization	274	257
Net Book Value	1,373	1,390
Customer Relationships
Intangible Assets By Major Class [Line Items]
Gross Book Value	2,342	2,263
Accumulated Amortization	434	407
Net Book Value	1,908	1,856
Other
Intangible Assets By Major Class [Line Items]
Gross Book Value	436	435
Accumulated Amortization	339	335
Net Book Value	$ 97	$ 100