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Financing - Additional Information (Detail) - USD ($) | 3 Months Ended |
--- | --- | ---
Nov. 23, 2019 | Aug. 31, 2019
Debt Instrument [Line Items] |  |
Remaining borrowing capacity under revolving credit facility | $ 1,997,000,000 |
Amount available under credit facility | 2,000,000,000.0 |
Fair value of the Company's debt | 5,468,000,000 | $ 5,419,000,000
Excess (shortfall) of fair value of debt over (from) carrying value | 180,600,000 | 212,700,000
Third Amended and Restated Credit Agreement [Member] |  |
Debt Instrument [Line Items] |  |
Amount available under credit facility | 1,600,000,000 |
Master Extension Agreement [Member] |  |
Debt Instrument [Line Items] |  |
Amount available under credit facility | 2,000,000,000.0 |
Revolving credit agreement, available additional borrowing capacity | 400,000,000 |
Maximum amount available under credit facility | $ 2,400,000,000 |
Credit facility expiration date | Nov. 18, 2022 |
Credit Agreement description | Under the Revolving Credit Agreement, the Company may borrow funds consisting of Eurodollar loans, base rate loans or a combination of both. Interest accrues on Eurodollar loans at a defined Eurodollar rate, defined as LIBOR plus the applicable percentage, as defined in the Revolving Credit Agreement, depending upon the Company’s senior, unsecured, (non-credit enhanced) long-term debt ratings. Interest accrues on base rate loans as defined in the Revolving Credit Agreement. |
Extended expiration of credit facility | 1 year |
Letters of credit, outstanding | $ 3,200,000 |
Revolving Credit Facility [Member] |  |
Debt Instrument [Line Items] |  |
Remaining borrowing capacity under revolving credit facility | 2,000,000,000.0 |
4.000% Senior Notes due November 2020, effective interest rate of 4.43% [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 500,000,000 | $ 500,000,000
Stated interest rate percentage | 4.00% | 4.00%

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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16(a)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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