Fair Value Measurements - Schedule of Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	May 31, 2025	Aug. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Amount	$ 2,884	$ 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	$ 498	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	498	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	491	487
Senior Notes \| Fair Value \| Level 2 \| 3.600% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	471	468
Senior Notes \| Fair Value \| Level 2 \| 3.000% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	539	529
Senior Notes \| Fair Value \| Level 2 \| 1.700% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	487	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	$ 305	$ 306

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

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