Share-based Compensation - Summary of RSU Activity (Detail) - USD ($) $ / shares in Units, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2019 |
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| Aggregate Intrinsic Value | |||
| Stock price used to calculate aggregate intrinsic value (in dollars per share) | $ 222.75 | ||
| Restricted Stock Units (RSUs) | |||
| Units | |||
| Beginning balance (in shares) | 4,690,500 | ||
| Granted (in shares) | 2,486,219 | ||
| Vested and earned (in shares) | (2,327,105) | ||
| Forfeited (in shares) | (323,166) | ||
| Ending balance (in shares) | 4,526,448 | 4,690,500 | |
| Weighted-Average Grant Date Fair Value | |||
| Beginning balance (in dollars per share) | $ 154.06 | ||
| Granted (in dollars per share) | 209.00 | $ 183.61 | $ 137.38 |
| Vested and earned (in dollars per share) | 142.35 | ||
| Forfeited (in dollars per share) | 183.46 | ||
| Ending balance (in dollars per share) | $ 188.16 | $ 154.06 | |
| Weighted-Average Remaining Contactual Term | |||
| Outstanding at September 30, 2021 | 10 months 13 days | ||
| Aggregate Intrinsic Value | |||
| Outstanding at September 30, 2021 | $ 1,008 | ||
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Price of a single share of a number of saleable stocks of a company. No definition available.
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- References No definition available.
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- Definition Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options. No definition available.
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- Definition Share based Compensation Arrangement by Share based Payment Award, Equity Instruments Other than Options, Weighted Average Grant Date Fair Value [Abstract] No definition available.
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- Definition Share based Compensation Arrangement by Share based Payment Award, Other than Options, Weighted Average Remaining Contractual Term [Abstract] No definition available.
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- Details
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