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Fair Value Measurements - Company's Assets and Liabilities at Fair Value on Recurring Basis (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 29, 2013
Dec. 31, 2012
Level 1 [Member]
   
Assets    
Cash equivalents $ 84 $ 284
Derivatives (foreign currency forward contracts)      
Total Assets 84 284
Liabilities    
Derivatives (foreign currency forward contracts)      
Level 2 [Member]
   
Assets    
Cash equivalents      
Derivatives (foreign currency forward contracts) 7 8
Total Assets 7 8
Liabilities    
Derivatives (foreign currency forward contracts) 5 3
Level 3 [Member]
   
Assets    
Cash equivalents      
Derivatives (foreign currency forward contracts)      
Total Assets      
Liabilities    
Derivatives (foreign currency forward contracts)