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Reconciliation of Measure of Division Operating Income to Consolidated Income Before Income Taxes (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 24, 2016
Sep. 30, 2017
Sep. 24, 2016
Segment Reporting Information [Line Items]        
Operating income $ 108 $ 117 $ 282 $ 473
Asset impairments   (9) (1) (9)
Merger, restructuring and other operating income (expenses), net (22) (31) (62) 122
Unallocated expenses (22) (29) (60) (68)
Interest income 6 6 17 17
Interest expense (13) (19) (39) (63)
Loss on extinguishment of debt   (15)   (15)
Other income (expense), net (1) 1 (2) 1
Income from continuing operations before income taxes 100 90 258 413
Operating Segments        
Segment Reporting Information [Line Items]        
Operating income $ 152 $ 186 $ 405 $ 428