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Other Intangible Assets, Net (Detail) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Intangible Asset Excluding Goodwill [Line Items]    
Gross other intangible assets $ 2,609 $ 2,131
Accumulated amortization (1,235) (1,020)
Other intangible assets, net 1,374 1,111
Developed technology, including patents    
Intangible Asset Excluding Goodwill [Line Items]    
Gross other intangible assets 2,002 1,690
Accumulated amortization (1,010) (855)
Other intangible assets, net 992 835
Other amortized intangible assets    
Intangible Asset Excluding Goodwill [Line Items]    
Gross other intangible assets 435 384
Accumulated amortization (225) (165)
Other intangible assets, net 210 219
Indefinite-lived intangible assets    
Intangible Asset Excluding Goodwill [Line Items]    
Other intangible assets $ 172 $ 57