Research and Development (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Feb. 28, 2019	Mar. 01, 2018	Feb. 28, 2019	Mar. 01, 2018
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	$ 23	$ 58	$ 53	$ 114

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.

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