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Reconciliation of Measure of Division Operating Income to Consolidated Income Before Income Taxes (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 26, 2016
Mar. 28, 2015
Segment Reporting Information [Line Items]    
Operating income (loss) $ 71 $ 88
Asset impairments   (5)
Merger, restructuring, and other operating expenses, net (44) (43)
Unallocated expenses (23) (22)
Interest income 6 6
Interest expense (22) (25)
Other income, net   1
Income before income taxes 55 70
Operating Segments    
Segment Reporting Information [Line Items]    
Operating income (loss) $ 138 $ 158