| Identified Intangible Assets, Total Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified | Sep. 27, 2014 | Dec. 28, 2013 | 
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| Identified Intangible Assets [Abstract] | ||
| Identified intangible assets, gross | $ 8,644 | $ 8,687 | 
| Identified intangible assets, net | $ 4,379 | $ 5,150 | 
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- Details 
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- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. No definition available. 
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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