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Derivative Financial Instruments and Hedging Activities - Schedule of Net (Losses) Gains from Forward Contracts Recorded in Consolidated Statements of Operations (Details) - USD ($) $ in Millions | 12 Months Ended
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Aug. 31, 2025 | Aug. 31, 2024 | Aug. 31, 2023
Derivative instruments designated as cash flow hedges: |  |  |
Loss to be reclassified in next 12 months | $ 15 |  |
Designated as Hedging Instruments |  |  |
Derivative instruments designated as cash flow hedges: |  |  |
Gains (losses) recognized in OCI | 14 | $ (21) | $ (25)
Designated as Hedging Instruments | Net investment hedges: |  |  |
Derivative instruments designated as net investment hedges: |  |  |
Losses recognized in OCI | (18) | (16) | (4)
Designated as Hedging Instruments | Gain from the divestiture of businesses | Net investment hedges: |  |  |
Derivative instruments designated as net investment hedges: |  |  |
Gains reclassified from AOCI into earnings | 0 | (4) | 0
Designated as Hedging Instruments | Forward foreign exchange contracts | Cost of revenue |  |  |
Derivative instruments designated as cash flow hedges: |  |  |
Losses (gains) reclassified from AOCI into earnings | 8 | 22 | 44
Designated as Hedging Instruments | Interest rate contracts | Interest expense, net |  |  |
Derivative instruments designated as cash flow hedges: |  |  |
Losses (gains) reclassified from AOCI into earnings | (3) | (3) | (2)
Not Designated as Hedging Instruments | Forward foreign exchange contracts | Cost of revenue |  |  |
Derivative instruments not designated as hedging instruments: |  |  |
(Losses) gains recognized in earnings from forward foreign exchange contracts | (36) | 16 | (111)
(Losses) gains recognized in earnings from changes in foreign currency | $ (6) | $ (52) | $ 58

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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480870/815-30-50-1 + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 182 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480401/815-10-55-182 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4CC -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-21 + Details
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