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Income Taxes - Schedule of Reconciliations of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions | 12 Months Ended
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Aug. 31, 2025 | Aug. 31, 2024 | Aug. 31, 2023
Reconciliation of Unrecognized Tax Benefits [Roll Forward] |  |  |
Beginning balance | $ 168 | $ 257 | $ 253
Additions for tax positions of prior years | 8 | 19 | 1
Reductions for tax positions of prior years | (4) | (21) | (7)
Additions for tax positions related to current year | 14 | 22 | 23
Additions related to acquired entities | 5 | 0 | 0
Divestiture of businesses | 0 | (49) | 0
Reductions from lapses in statutes of limitations | (36) | (2) | (8)
Settlements | (13) | (58) | (5)
Ending balance | 142 | 168 | 257
Unrecognized tax benefits that would affect the effective tax rate (if recognized) | $ 89 | $ 94 | $ 150

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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 217 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-217 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10B -Publisher FASB -URI https://asc.fasb.org/1943274/2147482525/740-10-45-10B + Details
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