| （単位：百万ドル） | 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 | 2Q24 | 3Q24 | 4Q24 | 1Q25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現金同等物 | 7 | 6 | - | - | - | 12 | 10 | 8 | 6 | 5 | 3 | 54 | 46 | 42 | 47 | 78 | 43 | 31 | 32 | 18 | 24 | 24 | 24 | 36 | 30 | 30 | 45 | 46 | 27 | 138 | 42 | 30 | 31 | 344 | 155 | 88 | 87 | 111 | 102 | 91 | 107 | 200 | 99 | 116 |
| 有価証券 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 32 | 38 | 29 | 32 | 19 | 8 | 1 | 0 | - | - | 81 | 70 | 81 | 74 | 309 | 144 | 129 | 87 | 268 | 285 | 247 | 201 | 374 | 521 | 463 | 552 | 617 | 520 |
| 現金 + 有価証券 | 7 | 6 | - | - | - | 12 | 10 | 8 | 6 | 5 | 3 | 54 | 46 | 42 | 47 | 78 | 76 | 70 | 62 | 51 | 43 | 33 | 26 | 36 | 30 | 30 | 127 | 117 | 109 | 213 | 351 | 175 | 161 | 431 | 424 | 373 | 334 | 313 | 477 | 613 | 571 | 753 | 717 | 636 |
| 売掛金 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 商品及び製品 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 流動資産合計 | 9 | 8 | 6 | 14 | 11 | 13 | 11 | 9 | 7 | 6 | 4 | 56 | 49 | 46 | 51 | 86 | 81 | 75 | 65 | 54 | 48 | 38 | 29 | 38 | 32 | 31 | 129 | 121 | 115 | 217 | 200 | 179 | 166 | 437 | 431 | 382 | 346 | 323 | 486 | 626 | 581 | 767 | 738 | 657 |
| 有形固定資産 | 0 | 0 | 1 | 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 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 固定資産合計 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 5 | 4 | 3 | 3 | 3 | 4 | 3 | 3 |
| 総資産 | 10 | 9 | 8 | 15 | 13 | 14 | 12 | 10 | 9 | 7 | 4 | 57 | 50 | 47 | 52 | 86 | 81 | 76 | 66 | 54 | 48 | 38 | 30 | 39 | 33 | 32 | 131 | 122 | 118 | 221 | 203 | 183 | 169 | 440 | 435 | 386 | 351 | 328 | 490 | 630 | 585 | 771 | 742 | 660 |
| 買掛金 | - | - | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 3 | 2 | 3 | 2 | 2 | 4 | 12 | 14 | 7 | 4 | 3 | 2 | 2 | 3 | 6 | 2 | 3 |
| 一年内返済予定の長期借入金 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | - | - | - |
| 流動負債合計 | 2 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 7 | 6 | 6 | 3 | 4 | 4 | 6 | 6 | 6 | 9 | 10 | 10 | 8 | 6 | 7 | 10 | 16 | 16 | 14 | 13 | 14 | 21 | 25 | 33 | 29 | 28 | 23 | 26 | 26 | 36 | 41 | 47 | 33 |
| 長期借入金 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 4 | 4 | 4 | 4 | 20 | 20 | 20 | 17 | 20 | 20 | 20 |
| 固定負債合計 | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 | 1 | 10 | 10 | 9 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 5 | 4 | 0 | 0 | 2 | 2 | 2 | 2 | 6 | 6 | 6 | 6 | 6 | 21 | 21 | 21 | 19 | 23 | 22 | 22 |
| 総負債 | - | - | - | - | - | - | - | - | - | - | - | 9 | 8 | 8 | 13 | 14 | 14 | 15 | 14 | 13 | 15 | 15 | 14 | 12 | 12 | 11 | 11 | 16 | 19 | 16 | 15 | 16 | 27 | 31 | 40 | 36 | 35 | 45 | 48 | 47 | 56 | 64 | 70 | 56 |
| 資本金及び資本剰余金 | 38 | 39 | 12 | 22 | 22 | 27 | 28 | 29 | 29 | 29 | 5 | 122 | 122 | 126 | 132 | 170 | 174 | 176 | 177 | 178 | 180 | 181 | 183 | 203 | 203 | 209 | 218 | 242 | 259 | 372 | 412 | 439 | 452 | 710 | 741 | 772 | 792 | 807 | 961 | 1,157 | 1,169 | 1,433 | 1,478 | 1,498 |
| 利益剰余金 | -30 | -32 | -7 | -10 | -12 | -15 | -18 | -21 | -24 | -26 | -31 | -75 | -82 | -88 | -94 | -99 | -107 | -116 | -127 | -138 | -147 | -159 | -169 | -177 | -183 | -189 | -279 | -298 | -316 | -330 | -359 | -384 | -414 | -443 | -489 | -557 | -612 | -659 | -726 | -775 | -840 | -917 | -996 | -1,083 |
| 株主資本 | 8 | - | 5 | 13 | 10 | 12 | 10 | 8 | 6 | 4 | -1 | 47 | 41 | 38 | 38 | 72 | 67 | 60 | 51 | 40 | 33 | 23 | 15 | 27 | 21 | 21 | 120 | 105 | 98 | 204 | 187 | 166 | 141 | 409 | 395 | 350 | 315 | 283 | 442 | 582 | 529 | 707 | 671 | 604 |
| 有利子負債合計 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 4 | 4 | 4 | 4 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| 純有利子負債 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -157 | -427 | -420 | -370 | -330 | -294 | -458 | -593 | -551 | -733 | -698 | -616 |
| DEレシオ（％） | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3.23 | 1.13 | 1.18 | 1.33 | 1.49 | 7.05 | 4.57 | 3.49 | 3.86 | 2.9 | 3.06 | 3.42 |
| 運転資本 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |