Share-based Compensation - Schedule of Disclosure of Share-based Compensation Arrangements by Share-based Payment Award (Details) |
6 Months Ended |
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Mar. 31, 2026
$ / shares
shares
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| Non-qualified stock options | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Granted (in shares) | shares | 714,321 |
| Weighted-Average Grant Date Fair Value (in dollars per share) | $ 76.23 |
| Weighted-Average Exercise Price (in dollars per share) | $ 324.13 |
| Restricted stock units | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Granted (in shares) | shares | 2,539,719 |
| Weighted-Average Grant Date Fair Value (in dollars per share) | $ 324.55 |
| Performance-based shares | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Granted (in shares) | shares | 381,324 |
| Weighted-Average Grant Date Fair Value (in dollars per share) | $ 344.15 |
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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