Face (par) amount of debt instrument at time of issuance.

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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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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.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Fair value of the amount outstanding under the credit facility.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

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Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average interest rate of short-term debt outstanding calculated over time.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Number Of Credit Agreements

+ References

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Debt - Narrative (Details) € in Millions			6 Months Ended
Debt - Narrative (Details) € in Millions	Dec. 23, 2020 USD ($)	Aug. 30, 2019 USD ($) credit_agreement	Feb. 28, 2021 USD ($)	Feb. 28, 2021 EUR (€)	Feb. 29, 2020 USD ($)	May 29, 2020 USD ($)	Apr. 15, 2020 USD ($)	Apr. 07, 2020 USD ($)	Apr. 02, 2020 USD ($)	Apr. 01, 2020 USD ($)	Jan. 18, 2019 USD ($)	Dec. 05, 2018 USD ($)	Nov. 30, 2018 USD ($)	Aug. 29, 2018 USD ($)
Debt Instrument [Line Items]
Interest paid			$ 301,000,000		$ 337,000,000
Maximum
Debt Instrument [Line Items]
Debt to total capitalization ratio			0.60
Commercial paper
Debt Instrument [Line Items]
Average daily short-term borrowings			$ 2,200,000,000		$ 3,000,000,000.0
Weighted average interest rate			0.51%	0.51%	2.42%
Commercial paper \| Guarantor Subsidiaries \| Reportable Legal Entities
Debt Instrument [Line Items]
Average daily short-term borrowings			$ 418,000,000	€ 300
Weighted average interest rate			0.43%	0.43%
Total $1.5 billion debt issuance
Debt Instrument [Line Items]
Face amount							$ 1,500,000,000
Debt issuance costs							13,000,000
Unsecured Notes \| Total $1.5 billion debt issuance
Debt Instrument [Line Items]
Face amount			$ 1,500,000,000
Unsecured Notes \| 3.200% unsecured notes due 2030
Debt Instrument [Line Items]
Face amount							$ 500,000,000
Stated interest rate			3.20%				3.20%
Unsecured Notes \| 4.100% unsecured notes due 2050
Debt Instrument [Line Items]
Face amount							$ 1,000,000,000.0
Stated interest rate			4.10%				4.10%
Unsecured Notes \| December 2018 Term Loan Credit Agreement
Debt Instrument [Line Items]
Face amount												$ 1,000,000,000.0
Credit facilities \| April 7, 2020 Revolving Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity								$ 500,000,000
Credit facilities \| April 2020 Revolving Bilateral Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity										$ 750,000,000
Credit facilities \| April 2020 Revolving Club Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity									$ 1,325,000,000
Credit facilities \| August 2019 Revolving Credit Agreements
Debt Instrument [Line Items]
Debt term		18 months
Number of credit agreements \| credit_agreement		3
Maximum borrowing capacity		$ 500,000,000
Credit facilities \| January 2019 364-Day Revolving Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 500,000,000										$ 2,000,000,000.0
Credit facilities \| A&R December 2018 Credit Agreement
Debt Instrument [Line Items]
Face amount									2,000,000,000.0
Credit facilities \| November 2018 Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity													$ 1,000,000,000.0
Credit facilities \| August 2018 Revolving Credit Agreement
Debt Instrument [Line Items]
Face amount														$ 3,500,000,000
Credit facilities \| 2020 Revolving Credit Agreement, 364-Day Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 1,250,000,000
Credit facilities \| 2020 Revolving Credit Agreement, 18-Month Revolving Credit Facility
Debt Instrument [Line Items]
Debt term	18 months
Maximum borrowing capacity	$ 2,250,000,000
Borrowing outstanding			$ 100,000,000
Credit facilities \| Unsecured Notes \| A&R December 2018 Credit Agreement
Debt Instrument [Line Items]
Face amount									$ 1,000,000,000.0
Credit facilities \| Line of Credit \| November 2018 Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity						$ 500,000,000							500,000,000
Credit facilities \| Term Loan \| November 2018 Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity						$ 1,000,000,000.0							$ 500,000,000
Borrowing outstanding			$ 925,000,000
Letter of Credit \| August 2018 Revolving Credit Agreement
Debt Instrument [Line Items]
Face amount														$ 500,000,000
Bridge Loan \| 2020 Revolving Credit Agreement, 18-Month Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 350,000,000