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Goodwill and Identifiable Intangible Assets - Estimated Amortization Expense (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 29, 2013
Goodwill And Intangible Assets Disclosure [Abstract]  
Estimated amortization expense, 2013 $ 38
Estimated amortization expense, 2014 42
Estimated amortization expense, 2015 37
Estimated amortization expense, 2016 31
Estimated amortization expense, 2017 $ 29