| （単位：百万ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2025/10 | 425 | -63.0% |
| 2024/10 | 1,150 | +100.0% |
| 2023/10 | 575 | -49.5% |
| 2022/10 | 1,139 | +44.5% |
| 2021/10 | 788 | +68.0% |
| 2020/10 | 469 | -35.1% |
| 2019/10 | 723 | +71.3% |
| 2018/10 | 422 | +117.5% |
| 2017/10 | 194 | -55.3% |
| 2016/10 | 434 | +62.5% |
| 2015/10 | 267 | +33.5% |
| 2014/10 | 200 | -77.8% |
| 2013/10 | 900 | +423.3% |
| 2012/10 | 172 | -65.4% |
| 2011/10 | 497 | +20.9% |
| 2010/10 | 411 | - |