Income Taxes - Schedule of Reconciliations of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
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

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

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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
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-Name Accounting Standards Codification
-Section 50
-Paragraph 15A
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-Publisher FASB
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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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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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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
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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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