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Research and Development (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Nov. 30, 2017 | Dec. 01, 2016
Collaborative Arrangement Process Design and Process Development |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |
Reduction in R and D expenses for reimbursements from partners | $ 56 | $ 56

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- Definition Reduction to expense as a result of reimbursements received under a cost sharing arrangement. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |