XML 80 R52.htm IDEA: XBRL DOCUMENT v3.8.0.1
Goodwill and Other Intangibles, net - Changes in Net Carrying Value of Goodwill (Detail) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Oct. 01, 2016
Dec. 31, 2017
Dec. 31, 2016
Goodwill [Roll Forward]      
Beginning balance   $ 2,458 $ 2,490
Foreign exchange impact   7  
Ending balance   2,465 2,458
Disposal Group | Wireless LAN (WLAN)      
Goodwill [Roll Forward]      
Impairment charge – wireless LAN divestiture $ (32) $ 0 $ (32)