Fair Value Measurements - Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Feb. 28, 2025	Aug. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Amount	$ 2,883	$ 2,880
Senior Notes \| 3.950% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	3.95%
Carrying Amount	$ 498	498
Senior Notes \| 3.600% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	3.60%
Carrying Amount	$ 497	497
Senior Notes \| 3.000% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	3.00%
Carrying Amount	$ 595	594
Senior Notes \| 1.700% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	1.70%
Carrying Amount	$ 499	499
Senior Notes \| 4.250% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	4.25%
Carrying Amount	$ 497	496
Senior Notes \| 5.450% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	5.45%
Carrying Amount	$ 297	296
Senior Notes \| Carrying Amount \| Level 2 \| 3.950% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Amount	498	498
Senior Notes \| Carrying Amount \| Level 2 \| 3.600% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Amount	497	497
Senior Notes \| Carrying Amount \| Level 2 \| 3.000% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Amount	595	594
Senior Notes \| Carrying Amount \| Level 2 \| 1.700% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Amount	499	499
Senior Notes \| Carrying Amount \| Level 2 \| 4.250% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Amount	497	496
Senior Notes \| Carrying Amount \| Level 2 \| 5.450% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Amount	297	296
Senior Notes \| Fair Value \| Level 2 \| 3.950% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	489	487
Senior Notes \| Fair Value \| Level 2 \| 3.600% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	470	468
Senior Notes \| Fair Value \| Level 2 \| 3.000% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	538	529
Senior Notes \| Fair Value \| Level 2 \| 1.700% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	484	476
Senior Notes \| Fair Value \| Level 2 \| 4.250% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	496	495
Senior Notes \| Fair Value \| Level 2 \| 5.450% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	$ 306	$ 306

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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