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Segment Information - Net Revenues by Product Segment and by Product Line (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Segment Reporting Information [Line Items]      
Net revenues $ 6,973 $ 6,897 $ 7,404
Automotive and Discrete Group (ADG) [Member]      
Segment Reporting Information [Line Items]      
Net revenues 2,813 2,731 2,897
Analog and MEMS Group (AMG) [Member]      
Segment Reporting Information [Line Items]      
Net revenues 1,584 1,671 1,877
Microcontrollers and Digital ICs Group (MDG) [Member]      
Segment Reporting Information [Line Items]      
Net revenues 2,285 2,292 2,377
Others [Member]      
Segment Reporting Information [Line Items]      
Net revenues $ 291 $ 203 $ 253