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Reconciliation of Measure Of Division Operating Income to Consolidated Loss Before Income Taxes (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Segment Reporting Information [Line Items]    
Operating income (loss) $ (79) $ 10
Asset impairments (50) (5)
Merger, restructuring, and other operating expenses, net (101) (19)
Unallocated expenses (25) (20)
Interest income 6  
Interest expense (25) (16)
Other income (expense), net 1 6
Loss before income taxes (97) 0
Operating Segments
   
Segment Reporting Information [Line Items]    
Operating income (loss) $ 97 $ 54