| （単位：百万ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 1,500 | 0.0% |
| 2023/12 | 1,500 | -14.3% |
| 2022/12 | 1,750 | +75.0% |
| 2021/12 | 1,000 | +41.6% |
| 2020/12 | 706 | -52.9% |
| 2019/12 | 1,500 | -25.0% |
| 2018/12 | 2,000 | +100.0% |
| 2017/12 | 1,000 | -50.0% |
| 2016/12 | 2,000 | -0.1% |
| 2015/12 | 2,002 | -53.9% |
| 2014/12 | 4,346 | +106.4% |
| 2013/12 | 2,106 | +4.3% |
| 2012/12 | 2,020 | +112.6% |
| 2011/12 | 950 | +171.4% |
| 2010/12 | 350 | - |