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Share-Based Compensation - Summary of SARs Outstanding (Details) $ / shares in Units, shares in Thousands, $ in Millions | 12 Months Ended
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Sep. 30, 2025 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
SARs, beginning balance (shares) | shares | 4,995
SARs, granted (shares) | shares | 520
SARs, exercised (shares) | shares | (373)
SARs, forfeited, canceled or expired (shares) | shares | (181)
SARs, ending balance (shares) | shares | 4,961
SARs, Vested and expected to vest at ending balance (shares) | shares | 4,842
SARs, Exercisable at ending balance (shares) | shares | 3,769
Weighted Average Grant Date Fair Value |
SARs, weighted average exercise price, beginning balance (in USD per share) | $ / shares | $ 217.07
SARs, weighted average exercise price, granted (in USD per share) | $ / shares | 221.60
SARs, weighted average exercise price, exercised (in USD per share) | $ / shares | 136.19
SARs, weighted average exercise price, forfeited, canceled or expired (in USD per share) | $ / shares | 232.87
SARs, weighted average exercise price, ending balance (in USD per share) | $ / shares | 223.05
SARs, weighted average exercise price, vested and expected to vest (in USD per share) | $ / shares | 222.83
SARs, weighted average exercise price, exercisable (in USD per share) | $ / shares | $ 220.25
SARs, weighted average remaining contractual term (in years) | 5 years
SARs, weighted average remaining contractual term, vested and expected to vest (in years) | 4 years 11 months 1 day
SARs, weighted average remaining contractual term, exercisable (in years) | 3 years 11 months 26 days
SARs, aggregate intrinsic value | $ | $ 22
SARs, aggregate intrinsic value, vested and expected to vest | $ | 22
SARs, aggregate intrinsic value, exercisable | $ | $ 22

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- Definition The number of exercisable stock appreciation rights (fully vested and expected to vest) that may be converted as of the balance sheet date. + References No definition available. + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of stock appreciation rights outstanding and currently exercisable under the award plan. + References No definition available. + Details
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- Definition Number of stock appreciation rights exercised during the current period. + References No definition available. + Details
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- Definition The number of stock appreciation rights that were forfeited during the reporting period. + References No definition available. + Details
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- Definition The number of stock appreciation rights granted during the period + References No definition available. + Details
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- Definition The weighted average fair value at grant date for stock appreciation rights issued during the period. + References No definition available. + Details
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- Definition The aggregate intrinsic value for outstanding stock appreciation rights. + References No definition available. + Details
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- Definition The number of stock appreciation rights that validly exist and are outstanding as of the balance sheet date, including vested options. + References No definition available. + Details
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- Definition The weighted average price of shares reserved for issuance under stock appreciation right incentive compensation plan that validly exist and are outstanding as of the balance sheet date, including vested options. + References No definition available. + Details
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- Definition The weighted average remaining contractual term for outstanding stock appreciation rights. + References No definition available. + Details
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- Definition The aggregate intrinsic value for stock appreciation rights that are fully vested or expected to vest as of the balance sheet date. + References No definition available. + Details
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- Definition The number of stock appreciation rights (fully vested and expected to vest) that may be converted as of the balance sheet date. + References No definition available. + Details
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- Definition The weighted average exercise price of stock appreciation rights that are fully vested or expected to vest as of the balance sheet date. + References No definition available. + Details
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- Definition The aggregate intrinsic value for stock appreciation rights that are exercisable as of the balance sheet date. + References No definition available. + Details
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- Definition The weighted average price at which option holders exercised stock appreciation awards during the reporting period. + References No definition available. + Details
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- Definition The weighted average price of stock appreciation rights that were forfeited during the reporting period. + References No definition available. + Details
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