Trade Accounts Receivable Securitization and Sale Programs - Trade Accounts Receivable Sale Programs Key Terms (Details)	3 Months Ended
	Nov. 30, 2018 CNY (¥)	Feb. 01, 2019 USD ($)	Nov. 30, 2018 USD ($)
A
Trade Accounts Receivable Securitization and Sale Program [Line Items]
Maximum Amount of Net Cash Proceeds			$ 875,000,000
Notice period to cancel receivable sale agreements	15 days
A | Scenario, Forecast
Trade Accounts Receivable Securitization and Sale Program [Line Items]
Maximum Amount of Net Cash Proceeds		$ 650,000,000.0
B
Trade Accounts Receivable Securitization and Sale Program [Line Items]
Maximum Amount of Net Cash Proceeds			150,000,000
Notice period to cancel receivable sale agreements	10 days
C
Trade Accounts Receivable Securitization and Sale Program [Line Items]
Maximum Amount of Net Cash Proceeds | ¥	¥ 800,000,000
D
Trade Accounts Receivable Securitization and Sale Program [Line Items]
Maximum Amount of Net Cash Proceeds			100,000,000
Notice period to cancel receivable sale agreements	30 days
E
Trade Accounts Receivable Securitization and Sale Program [Line Items]
Maximum Amount of Net Cash Proceeds			50,000,000
F
Trade Accounts Receivable Securitization and Sale Program [Line Items]
Maximum Amount of Net Cash Proceeds			150,000,000
Threshold period to cancel trade accounts receivable sale agreement before automatic extension	30 days
G
Trade Accounts Receivable Securitization and Sale Program [Line Items]
Maximum Amount of Net Cash Proceeds			50,000,000
Notice period to cancel receivable sale agreements	15 days
H
Trade Accounts Receivable Securitization and Sale Program [Line Items]
Maximum Amount of Net Cash Proceeds			100,000,000
Threshold period to cancel trade accounts receivable sale agreement before automatic extension	30 days
I
Trade Accounts Receivable Securitization and Sale Program [Line Items]
Maximum Amount of Net Cash Proceeds			$ 100,000,000
Threshold period to cancel trade accounts receivable sale agreement before automatic extension	30 days