| (単位:百万ドル) | 1Q12 | 2Q12 | 3Q12 | 4Q12 | 1Q13 | 2Q13 | 3Q13 | 4Q13 | 1Q14 | 2Q14 | 3Q14 | 4Q14 | 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 | 3Q21 | 4Q21 | 1Q22 | 2Q22 | 3Q22 | 4Q22 | 1Q23 | 2Q23 | 3Q23 | 4Q23 | 1Q24 | 1Q24 | 3Q24 | 4Q24 | 1Q25 | 2Q25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現金同等物 | 25 | 15 | 11 | 10 | 28 | 13 | 22 | 18 | 13 | 22 | 20 | 33 | 30 | 35 | 19 | 24 | 15 | 39 | 37 | 32 | 28 | 27 | 51 | 82 | 64 | 169 | 131 | 130 | 92 | 113 | 104 | 79 | 170 | 160 | 205 | 68 | 35 | 25 | 24 | 21 | 46 | 64 | 79 | 75 | 98 | 184 | 96 | 79 | 82 | 83 | 113 | 89 | 117 | 164 |
| 有価証券 | 15 | 22 | 35 | 46 | 38 | 43 | 77 | 82 | 92 | 76 | 72 | 58 | 101 | 96 | 100 | 170 | 84 | 53 | 49 | 48 | 44 | 30 | 8 | 8 | - | - | 14 | 119 | 120 | 74 | 56 | 31 | - | - | - | 73 | 85 | 83 | 79 | 79 | 59 | 30 | 25 | 12 | 13 | - | 70 | 59 | 28 | - | - | - | - | - |
| 現金 + 有価証券 | 41 | 38 | 46 | 56 | 66 | 57 | 99 | 101 | 105 | 98 | 93 | 92 | 132 | 132 | 120 | 195 | 99 | 92 | 86 | 80 | 72 | 57 | 60 | 91 | 64 | 169 | 146 | 250 | 212 | 187 | 160 | 111 | 170 | 160 | 205 | 141 | 121 | 108 | 103 | 100 | 106 | 94 | 105 | 88 | 112 | 184 | 167 | 138 | 111 | 83 | 113 | 89 | 117 | 164 |
| 商品及び製品 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 6 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| 流動資産合計 | 41 | 39 | 47 | 57 | 67 | 58 | 101 | 101 | 106 | 99 | 94 | 95 | 134 | 132 | 121 | 110 | 100 | 93 | 87 | 81 | 74 | 59 | 61 | 87 | 66 | 170 | 158 | 253 | 216 | 192 | 166 | 84 | 148 | 144 | 188 | 144 | 127 | 114 | 108 | 105 | 113 | 97 | 108 | 92 | 118 | 189 | 174 | 143 | 117 | 99 | 120 | 94 | 124 | 174 |
| 有形固定資産 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 投資有価証券 | 68 | 65 | 50 | 34 | 17 | 20 | 30 | 22 | 8 | 5 | - | - | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 5 | 5 | 5 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 固定資産合計 | 69 | 66 | 51 | 35 | 18 | 21 | 31 | 23 | 9 | 7 | 3 | 3 | 7 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 24 | 23 | 26 | 26 | 25 | 60 | 59 | 53 | 29 | 9 | 9 | 9 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 6 | 5 | 6 | 5 | 6 | 6 | 21 |
| 総資産 | 110 | 105 | 98 | 92 | 86 | 79 | 132 | 125 | 115 | 107 | 97 | 98 | 142 | 135 | 123 | 113 | 102 | 95 | 89 | 83 | 76 | 61 | 63 | 89 | 68 | 172 | 183 | 277 | 243 | 218 | 192 | 145 | 208 | 198 | 217 | 154 | 136 | 123 | 111 | 108 | 116 | 100 | 111 | 95 | 120 | 191 | 176 | 149 | 123 | 105 | 126 | 101 | 131 | 196 |
| 買掛金 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 2 | 3 | 3 | 2 | 2 | 1 | 4 | 8 | 6 | 7 | 9 | 7 | 8 | 11 | 10 | 8 | 11 | 8 | 9 | 7 | 2 | 4 | 1 | 2 | 1 | 0 | 2 | 2 | 1 | 5 | 4 | 4 | 4 | 5 | 7 | 7 | 6 | 4 | 4 | 7 | 8 |
| 一年内返済予定の長期借入金 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 流動負債合計 | 2 | 3 | 3 | 2 | 3 | 5 | 5 | 7 | 6 | 7 | 8 | 9 | 9 | 9 | 10 | 10 | 6 | 5 | 6 | 10 | 13 | 11 | 19 | 17 | 14 | 22 | 53 | 37 | 28 | 31 | 30 | 29 | 25 | 28 | 37 | 17 | 11 | 12 | 13 | 18 | 16 | 20 | 21 | 21 | 22 | 20 | 23 | 26 | 26 | 30 | 37 | 30 | 35 | 50 |
| 長期借入金 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 | 2 | 14 | 14 | 23 | 21 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 固定負債合計 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 | 2 | 14 | 15 | 23 | 22 | 115 | 126 | 138 | 140 | 107 | 59 | 55 | 50 | 21 | 22 | 22 | 2 | 2 | 26 | 26 | 26 | 25 | 44 | 48 | 48 | 44 | 50 | 35 | 56 | 99 | 128 | 109 |
| 総負債 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 15 | 13 | 22 | 32 | 29 | 46 | 75 | 152 | 154 | 169 | 171 | 137 | 85 | 84 | 87 | 39 | 34 | 35 | 16 | 21 | 43 | 46 | 48 | 47 | 66 | 69 | 71 | 71 | 77 | 65 | 94 | 130 | 164 | 160 |
| 資本金及び資本剰余金 | 129 | 130 | 134 | 136 | 138 | 140 | 202 | 205 | 210 | 212 | 215 | 229 | 288 | 296 | 299 | 301 | 303 | 304 | 306 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 利益剰余金 | -22 | -29 | -39 | -47 | -56 | -66 | -77 | -88 | -101 | -114 | -128 | -142 | -157 | -172 | -188 | -199 | -208 | -216 | -224 | -236 | -249 | -262 | -285 | -304 | -325 | -343 | -365 | -376 | -414 | -456 | -487 | -525 | -563 | -586 | -573 | -593 | -608 | -625 | -648 | -664 | -681 | -703 | -721 | -738 | -754 | -778 | -798 | -825 | -859 | -868 | -891 | -956 | -1,008 | -1,034 |
| 株主資本 | 107 | 102 | 95 | 90 | 82 | 74 | 126 | 117 | 109 | 99 | 88 | 88 | 131 | 125 | 112 | 102 | 95 | 89 | 82 | 72 | 60 | 48 | 40 | 57 | 38 | 126 | 107 | 124 | 88 | 49 | 21 | 7 | 122 | 114 | 129 | 115 | 102 | 88 | 95 | 87 | 72 | 53 | 62 | 47 | 33 | 101 | 83 | 57 | 25 | 18 | 11 | -29 | -33 | 36 |
| 有利子負債合計 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 | 2 | 14 | 14 | 24 | 25 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 純有利子負債 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -71 | -56 | -58 | -77 | -50 | -145 | -121 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| DEレシオ(%) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3.72 | 4.75 | 5.7 | 25.71 | 38.68 | 19.63 | 23.29 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |