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Accounting Policies (Detail) (USD $)
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12 Months Ended |
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Dec. 27, 2014
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Dec. 28, 2013
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Dec. 29, 2012
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| Inventory Net Items Net Of Reserve Alternative [Abstract] |
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| Raw materials |
$ 462,000,000us-gaap_InventoryRawMaterialsNetOfReserves
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$ 458,000,000us-gaap_InventoryRawMaterialsNetOfReserves
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| Work in process |
2,375,000,000us-gaap_InventoryWorkInProcessNetOfReserves
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1,998,000,000us-gaap_InventoryWorkInProcessNetOfReserves
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| Finished goods |
1,436,000,000us-gaap_InventoryFinishedGoodsNetOfReserves
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1,716,000,000us-gaap_InventoryFinishedGoodsNetOfReserves
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| Total Inventories |
4,273,000,000us-gaap_InventoryNet
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4,172,000,000us-gaap_InventoryNet
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| Property, Plant and Equipment [Abstract] |
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| Property, plant and equipment, gross |
79,709,000,000us-gaap_PropertyPlantAndEquipmentGross
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73,416,000,000us-gaap_PropertyPlantAndEquipmentGross
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| Less: accumulated depreciation |
(46,471,000,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
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(41,988,000,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
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| Total property, plant and equipment, net |
33,238,000,000us-gaap_PropertyPlantAndEquipmentNet
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31,428,000,000us-gaap_PropertyPlantAndEquipmentNet
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27,983,000,000us-gaap_PropertyPlantAndEquipmentNet
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| Advertising [Abstract] |
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| Advertising Expense |
1,800,000,000us-gaap_AdvertisingExpense
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1,900,000,000us-gaap_AdvertisingExpense
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2,000,000,000us-gaap_AdvertisingExpense
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| Minimum [Member] | Acquisition-related Developed Technology [Member] |
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| Identified Intangible Assets [Abstract] |
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| Finite-Lived Intangible Assets, Useful Life (in years) |
4 years
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| Minimum [Member] | Acquisition-related Customer Relationships [Member] |
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| Identified Intangible Assets [Abstract] |
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| Finite-Lived Intangible Assets, Useful Life (in years) |
6 years
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| Minimum [Member] | Acquisition-related Trade Names [Member] |
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| Identified Intangible Assets [Abstract] |
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| Finite-Lived Intangible Assets, Useful Life (in years) |
5 years
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| Minimum [Member] | Licensed Technology and Patents [Member] |
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| Identified Intangible Assets [Abstract] |
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| Finite-Lived Intangible Assets, Useful Life (in years) |
5 years
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| Maximum [Member] | Acquisition-related Developed Technology [Member] |
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| Identified Intangible Assets [Abstract] |
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| Finite-Lived Intangible Assets, Useful Life (in years) |
9 years
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| Maximum [Member] | Acquisition-related Customer Relationships [Member] |
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| Identified Intangible Assets [Abstract] |
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| Finite-Lived Intangible Assets, Useful Life (in years) |
9 years
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| Maximum [Member] | Acquisition-related Trade Names [Member] |
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| Identified Intangible Assets [Abstract] |
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| Finite-Lived Intangible Assets, Useful Life (in years) |
8 years
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| Maximum [Member] | Licensed Technology and Patents [Member] |
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| Identified Intangible Assets [Abstract] |
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| Finite-Lived Intangible Assets, Useful Life (in years) |
17 years
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| Land and buildings [Member] |
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| Property, Plant and Equipment [Abstract] |
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| Property, plant and equipment, gross |
22,989,000,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandAndBuildingMember
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21,098,000,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandAndBuildingMember
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| Machinery and equipment [Member] |
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| Property, Plant and Equipment [Abstract] |
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| Property, plant and equipment, gross |
44,441,000,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
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40,540,000,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
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| Machinery and equipment [Member] | Minimum [Member] |
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| Property, Plant and Equipment [Abstract] |
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| Property, Plant and Equipment, Useful Life (in years) |
2 years
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| Machinery and equipment [Member] | Maximum [Member] |
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| Property, Plant and Equipment [Abstract] |
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| Property, Plant and Equipment, Useful Life (in years) |
4 years
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| Construction in progress [Member] |
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| Property, Plant and Equipment [Abstract] |
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| Property, plant and equipment, gross |
$ 12,279,000,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember
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$ 11,778,000,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember
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| Building [Member] | Minimum [Member] |
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| Property, Plant and Equipment [Abstract] |
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| Property, Plant and Equipment, Useful Life (in years) |
10 years
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| Building [Member] | Maximum [Member] |
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| Property, Plant and Equipment [Abstract] |
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| Property, Plant and Equipment, Useful Life (in years) |
25 years
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