Income Taxes - Schedule of Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
Aug. 31, 2026	Aug. 31, 2025	Aug. 31, 2024
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Beginning balance	$ 142	$ 168	$ 257
Additions for tax positions of prior years	27	8	19
Reductions for tax positions of prior years	(1)	(4)	(21)
Additions for tax positions related to current year	39	14	22
Additions related to acquired entities	9	5	0
Divestiture of businesses	0	0	(49)
Reductions from lapses in statutes of limitations	(10)	(36)	(2)
Settlements	0	(13)	(58)
Foreign exchange rate adjustment	5	0	0
Ending balance	211	142	168
Unrecognized tax benefits that would affect the effective tax rate (if recognized)	$ 136	$ 89	$ 94

Unrecognized Tax Benefits, Decrease Resulting from Divestiture of Businesses

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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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
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-Paragraph 15A
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
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-Name Accounting Standards Codification
-Section 45
-Paragraph 10B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482525/740-10-45-10B

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- Definition

Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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- Definition

Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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- Definition

Amount of increase in unrecognized tax benefits resulting from acquisitions.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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- Definition

Amount of increase in unrecognized tax benefits resulting from foreign currency translation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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