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Property, Plant, and Equipment (Details) - USD ($) $ in Millions | Nov. 30, 2017 | Aug. 31, 2017
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Property, Plant and Equipment, Net, by Type [Abstract] |  |  |
Gross property, plant, and equipment |  | $ 43,598 | $ 41,533
Accumulated depreciation |  | (22,875) | (22,102)
Property, plant, and equipment, net |  | 20,723 | 19,431
Land |  |  |
Property, Plant and Equipment, Net, by Type [Abstract] |  |  |
Gross property, plant, and equipment |  | 345 | 345
Buildings |  |  |
Property, Plant and Equipment, Net, by Type [Abstract] |  |  |
Gross property, plant, and equipment |  | 8,134 | 7,958
Equipment |  |  |
Property, Plant and Equipment, Net, by Type [Abstract] |  |  |
Gross property, plant, and equipment | [1] | 33,980 | 32,187
Equipment not placed into service |  |  |
Property, Plant and Equipment, Net, by Type [Abstract] |  |  |
Gross property, plant, and equipment |  | 2,060 | 994
Construction in progress |  |  |
Property, Plant and Equipment, Net, by Type [Abstract] |  |  |
Gross property, plant, and equipment | [2] | 560 | 499
Software |  |  |
Property, Plant and Equipment, Net, by Type [Abstract] |  |  |
Gross property, plant, and equipment |  | $ 579 | $ 544
[1] | Included costs related to equipment not placed into service of $2.06 billion and $994 million, as of November 30, 2017 and August 31, 2017, respectively.
[2] | Included building-related construction and tool installation costs for assets not placed into service.

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