| (単位:百万ドル) | 3Q11 | 4Q11 | 2Q12 | 3Q12 | 4Q12 | 1Q13 | 2Q13 | 3Q13 | 4Q13 | 1Q14 | 2Q14 | 3Q14 | 1Q15 | 2Q15 | 3Q15 | 4Q15 | 1Q16 | 2Q16 | 3Q16 | 4Q16 | 1Q17 | 2Q17 | 3Q17 | 4Q17 | 1Q18 | 2Q18 | 3Q18 | 4Q18 | 1Q19 | 2Q19 | 3Q19 | 4Q19 | 1Q20 | 2Q20 | 3Q20 | 4Q20 | 1Q21 | 2Q21 | 2Q22 | 3Q22 | 4Q22 | 1Q23 | 2Q23 | 3Q23 | 4Q23 | 1Q24 | 2Q24 | 3Q24 | 4Q24 | 1Q25 | 2Q25 | 3Q25 | 4Q25 | 1Q26 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現金同等物 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 6 | 5 | 5 | 8 | 11 | 11 | 15 | 13 | 8 | 9 | 7 | 6 | 3 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 3 | 2 | 2 | 3 | 4 | 12 | 11 | 10 | 11 | 7 | 9 | 8 | 6 | 5 | 3 | 4 | 3 | 4 | 4 | 3 | 3 | 2 | 3 | 2 | 3 |
| 現金 + 有価証券 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 6 | 5 | 5 | 8 | 11 | 11 | 15 | 13 | 8 | 9 | 7 | 6 | 3 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 3 | 2 | 2 | 3 | 4 | 12 | 11 | 10 | 11 | 7 | 9 | 8 | 6 | 5 | 3 | 4 | 3 | 4 | 4 | 3 | 3 | 2 | 3 | 2 | 3 |
| 売掛金 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | - | - | - | - | - | - | - |
| 商品及び製品 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 流動資産合計 | 1 | 1 | 0 | 0 | 3 | 3 | 2 | 1 | 6 | 5 | 5 | 8 | 11 | 13 | 16 | 14 | 10 | 10 | 8 | 7 | 5 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 5 | 5 | 4 | 4 | 6 | 6 | 15 | 13 | 12 | 13 | 11 | 13 | 11 | 11 | 9 | 7 | 6 | 6 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 6 |
| 有形固定資産 | 4 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 4 | 7 | 7 | 11 | 14 | 17 | 18 | 18 | 19 | 21 | 24 | 26 | 28 | 29 | 30 | 33 | 35 | 36 | 35 | 36 | 35 | 35 | 30 | 28 | 27 | 27 | 27 | 24 | 23 | 22 | 22 | 21 | 21 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 21 | 21 |
| 固定資産合計 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1,753 | 2,056 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 総資産 | 7 | 6 | 6 | 6 | 7 | 6 | 5 | 5 | 9 | 9 | 10 | 14 | 20 | 21 | 46 | 48 | 48 | 48 | 47 | 46 | 47 | 50 | 53 | 55 | 53 | 55 | 57 | 60 | 60 | 60 | 60 | 59 | 112 | 97 | 104 | 99 | 97 | 97 | 90 | 90 | 86 | 84 | 91 | 91 | 91 | 90 | 88 | 90 | 87 | 89 | 86 | 85 | 83 | 82 |
| 買掛金 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 3 | 3 | 3 | 3 | 2 | 2 | 4 | 3 | 3 | 2 | 4 | 3 | 3 | 3 | 3 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 2 | 2 | 2 | 3 | 2 | 3 | 2 | 2 | 3 |
| 一年内返済予定の長期借入金 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 流動負債合計 | 1 | 1 | 1 | 1 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 6 | 7 | 7 | 7 | 5 | 5 | 6 | 7 | 6 | 6 | 5 | 7 | 7 | 8 | 6 | 7 | 7 | 9 | 13 | 27 | 18 | 18 | 18 | 20 | 12 | 13 | 12 | 13 | 15 | 13 | 14 | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 14 | 14 |
| 長期借入金 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | - | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | - | 0 | 1 | 4 | - | 4 | 5 | 5 | - | 10 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 1 | 1 | 1 | 0 | 2 | 2 | 2 | 2 | 1 |
| 固定負債合計 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 3 | 4 | 4 | 3 | 4 | 6 | 9 | 10 | 10 | 11 | 12 | 15 | 18 | 20 | 19 | 21 | 71 | 55 | 72 | 66 | 62 | 59 | 48 | 47 | 45 | 43 | 43 | 43 | 43 | 42 | 41 | 40 | 38 | 40 | 39 | 36 | 35 | 33 |
| 利益剰余金 | -18 | -18 | -19 | -19 | -19 | -19 | -20 | -20 | -20 | -20 | -21 | -20 | -21 | -21 | -21 | -21 | -22 | -23 | -23 | -23 | -23 | -24 | -24 | -25 | -25 | -26 | -26 | -26 | -27 | -27 | -27 | -31 | -32 | -47 | -46 | -45 | -44 | -43 | -30 | -30 | -31 | -31 | -20 | -19 | -20 | -20 | -20 | -18 | -18 | -18 | -19 | -17 | -17 | -17 |
| 株主資本 | 2 | 2 | 1 | 1 | 3 | 2 | 2 | 2 | 7 | 7 | 7 | 11 | 16 | 15 | 38 | 38 | 37 | 36 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 37 | 37 | 36 | 32 | 33 | 28 | 28 | 13 | 13 | 14 | 15 | 17 | 29 | 29 | 27 | 26 | 33 | 33 | 32 | 32 | 32 | 33 | 33 | 33 | 32 | 33 | 33 | 34 |
| 運転資本 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |