Research and Development (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
May 31, 2018	Jun. 01, 2017	May 31, 2018	Jun. 01, 2017
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	$ 53	$ 47	$ 167	$ 162

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