Notes - Segment Information, Etc.
| Concept |
2018-01-01 to 2018-03-31 |
2017-01-01 to 2017-03-31 |
|---|---|---|
| Notes - Segment information, etc. | ||
| Notes - Segment information, etc. | ||
| Segment information | ||
| Description of nature of differences between profit (loss) of reportable segments total and quarterly financial statements |