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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
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

X
- 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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Line items represent financial concepts included in a table. 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