Short-Term financing which is expected to be paid back relatively quickly, such as by a subsequent longer-term loan. Also called swing loan or bridge financing.

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Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Indebtedness divided by net capital.

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Borrowings - loan agreements and other borrowings (Details)		12 Months Ended
	Dec. 18, 2015 USD ($)	Aug. 31, 2017 USD ($)	Aug. 31, 2016 USD ($)	Aug. 31, 2015 USD ($)	Jun. 01, 2018 USD ($)	Aug. 24, 2017 USD ($)	Feb. 22, 2017 USD ($)	Feb. 01, 2017 USD ($)	Jan. 31, 2017 USD ($)	Aug. 30, 2016 USD ($)
Line of Credit Facility [Line Items]
Interest paid, net of capitalized interest		$ 643,000,000	$ 580,000,000	$ 472,000,000
Bridge Credit Agreement
Line of Credit Facility [Line Items]
Maximum borrowing capacity									$ 5,000,000,000.0
Additional Bridge Loan
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 5,000,000,000
Commercial Paper
Line of Credit Facility [Line Items]
Balance outstanding at fiscal year-end		$ 0	0
Average daily short-term borrowings			$ 14,000,000
Weighted-average interest rate			0.66%
Bridge Credit Agreement
Line of Credit Facility [Line Items]
Term of credit agreement	364 days
Senior unsecured bridge facility	$ 7,800,000,000
2016 Credit Agreements
Line of Credit Facility [Line Items]
Maximum borrowing capacity										$ 1,000,000,000
Term Loan \| Maximum
Line of Credit Facility [Line Items]
Debt to total capitalization ratio		0.60
Term Loan \| Syndicated Credit Agreement
Line of Credit Facility [Line Items]
Maximum borrowing capacity							$ 4,800,000,000.0
Term Loan \| Sumitomo Credit Agreement
Line of Credit Facility [Line Items]
Maximum borrowing capacity							$ 1,000,000,000.0
Term Loan \| 2017 Term Loan Agreement
Line of Credit Facility [Line Items]
Maximum borrowing capacity						$ 1,000,000,000.0
Backstop Commitment Letter
Line of Credit Facility [Line Items]
Maximum borrowing capacity									$ 5,000,000,000.0
Revolving Credit Facility \| February 2017 Revolving Credit Agreement
Line of Credit Facility [Line Items]
Maximum borrowing capacity								$ 1,000,000,000.0
Revolving Credit Facility \| August 2017 Revolving Credit Agreement
Line of Credit Facility [Line Items]
Maximum borrowing capacity						$ 1,000,000,000.0
Forecast \| Term Loan \| 2017 Term Loan Agreement
Line of Credit Facility [Line Items]
Maximum borrowing capacity					$ 500,000,000