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Reconciliation of Measure of Division Operating Income to Consolidated Income Before Income Taxes (Detail) - USD ($)
$ in Millions
3 Months Ended
Apr. 01, 2017
Mar. 26, 2016
Segment Reporting Information [Line Items]    
Operating income $ 127 $ 85
Merger, restructuring, and other operating expenses, net (20) (39)
Unallocated expenses (22) (24)
Interest income 6 6
Interest expense (13) (22)
Other income, net 1  
Income from continuing operations before income taxes 121 69
Operating Segments    
Segment Reporting Information [Line Items]    
Operating income $ 169 $ 148