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Income Taxes - Reconciliation of Income Tax Rate (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
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Aug. 31, 2023 | Aug. 31, 2022 | Aug. 31, 2021
Income Tax Disclosure [Abstract] |  |  |
U.S. federal statutory income tax rate | 21.00% | 21.00% | 21.00%
State income taxes, net of federal tax benefit | 0.20% | 0.70% | 0.20%
Impact of foreign tax rates | (1.80%) | (4.00%) | (4.60%)
Permanent differences | (0.50%) | 1.20% | (0.40%)
Income tax credits | (0.50%) | (0.50%) | (0.40%)
Valuation allowance | 1.10% | (3.30%) | 1.30%
Equity compensation | 0.50% | (0.50%) | 0.60%
Impact of intercompany charges and dividends | 2.40% | 3.60% | 4.40%
Global Intangible Low-Taxed Income | 0.80% | 1.10% | 3.00%
Change in indefinite reinvestment assertion | 11.70% | 0.00% | 0.00%
Other, net | 0.30% | (0.20%) | 0.90%
Effective income tax rate | 35.20% | 19.10% | 26.00%
Income tax benefit on income from subsidiaries | $ 74 | $ 80 | $ 51
Per basic share income tax benefit on income from subsidiaries (in dollars per share) | $ 0.56 | $ 0.57 | $ 0.34
Income tax expense associated with remeasurement of referred tax assets |  | $ 26 |

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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to intercompany charges under enacted tax laws. + References No definition available. + Details
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- Definition Total value of income tax benefit earned on various foreign subsidiary operations of the Company that have been granted tax incentives. + References No definition available. + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-1 + Details
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- Definition Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-1 + Details
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