Share-based Compensation - Awards Granted to Company Employees and Non-employee Directors Under the 2007 Equity Incentive Compensation Plan (Details) |
6 Months Ended |
|---|---|
|
Mar. 31, 2023
$ / shares
shares
| |
| Non-qualified stock options | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Granted (in shares) | shares | 798,017 |
| Weighted-Average Grant Date Fair Value (in dollars per share) | $ 58.56 |
| Weighted-Average Exercise Price (in dollars per share) | $ 211.09 |
| Restricted stock units | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Granted (in shares) | shares | 3,091,583 |
| Weighted-Average Grant Date Fair Value (in dollars per share) | $ 210.58 |
| Performance-based shares | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Granted (in shares) | shares | 551,818 |
| Weighted-Average Grant Date Fair Value (in dollars per share) | $ 221.32 |