Interest and Other, Net (Detail) - USD ($) $ in Millions  | 
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Oct. 01, 2016  | 
Sep. 26, 2015  | 
Oct. 01, 2016  | 
Sep. 26, 2015  | 
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| Interest and Other, Net [Line Items] | ||||
| Interest income | $ 56 | $ 31 | $ 159 | $ 91 | 
| Interest expense | (180) | (116) | (575) | (211) | 
| Other, net | (8) | (19) | 76 | 29 | 
| Total interest and other, net | (132) | (104) | (340) | (91) | 
| Interest Costs Capitalized | $ 36 | $ 52 | $ 82 | $ 202 | 
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- Definition [Line Items] for Interest and Other, Net [Table] No definition available. 
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- Definition Other, net (interest and other) No definition available. 
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- Definition Amount of interest capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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