| （単位：百万ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2025/12 | 413 | -72.7% |
| 2024/12 | 1,517 | -17.9% |
| 2023/12 | 1,847 | -29.7% |
| 2022/12 | 2,628 | +53.3% |
| 2021/12 | 1,714 | +41189.7% |
| 2020/12 | 4 | -60.0% |
| 2019/12 | 10 | +112.3% |
| 2018/12 | 4 | +85.1% |
| 2017/12 | 2 | +142.1% |
| 2016/12 | 1 | +10.8% |
| 2015/12 | 0 | -24.5% |
| 2014/12 | 1 | +26.1% |
| 2013/12 | 1 | +108.9% |
| 2012/12 | 0 | +24700.0% |
| 2011/12 | 0 | - |