Revenue Recognition - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Sep. 30, 2024 |
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| Revenue from Contract with Customer [Abstract] | |||
| Refund liabilities | $ 22 | $ 20 | |
| Uncollectible accounts, reserves | 24 | $ 26 | |
| Deferred revenue increased related to cash received from customers | 244 | ||
| Revenue recognized related to deferred revenue | 88 | ||
| Revenue recognized from performance obligations satisfied in previous periods | $ 40 | $ 30 | |
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Change in contract with customer liability. No definition available.
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