| （単位：百万ドル） | 2Q11 | 3Q11 | 4Q11 | 1Q12 | 2Q12 | 3Q12 | 4Q12 | 1Q13 | 2Q13 | 3Q13 | 4Q13 | 1Q14 | 2Q14 | 3Q14 | 4Q14 | 1Q15 | 2Q15 | 4Q15 | 4Q16 | 4Q17 | 4Q18 | 4Q19 | 3Q20 | 4Q20 | 1Q21 | 2Q21 | 3Q21 | 4Q21 | 1Q22 | 2Q22 | 3Q22 | 4Q22 | 1Q23 | 2Q23 | 3Q23 | 4Q23 | 1Q24 | 2Q24 | 3Q24 | 4Q24 | 1Q25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現金同等物 | 102 | 52 | 87 | 108 | 112 | 41 | 171 | 57 | 41 | 91 | 42 | 86 | 58 | 34 | 39 | 88 | 82 | 72 | - | - | - | - | - | - | - | - | - | - | 144 | 26 | 59 | 26 | 22 | 31 | 20 | 65 | 148 | 149 | 157 | 243 | 210 |
| 有価証券 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 763 | 758 | 797 | 731 | 671 | 664 | 665 | 645 | 609 | 623 | 605 | 588 | 597 | 544 | 546 |
| 現金 + 有価証券 | 102 | 52 | 87 | 108 | 112 | 41 | 171 | 57 | 41 | 91 | 42 | 86 | 58 | 34 | 39 | 88 | 82 | 72 | - | - | - | - | - | - | - | - | - | - | 942 | 758 | 731 | 690 | 687 | 676 | 629 | 689 | 753 | 738 | 755 | 788 | 757 |
| 有形固定資産 | 5 | 5 | 5 | 5 | - | - | 5 | - | - | - | 7 | - | - | - | 9 | - | - | 11 | 23 | 23 | 21 | 29 | 28 | 29 | 29 | 30 | 33 | 34 | 40 | 41 | 44 | 53 | 59 | 66 | 75 | 86 | 95 | 101 | 106 | 109 | 110 |
| 総資産 | 1,261 | 1,226 | 1,269 | 1,321 | - | - | 1,448 | - | - | - | 1,442 | - | - | - | 1,615 | - | - | 1,748 | 1,854 | 2,114 | 2,297 | 2,474 | 2,776 | 3,186 | 3,173 | 3,269 | 3,250 | 3,500 | 3,547 | 3,475 | 3,518 | 3,613 | 3,625 | 3,679 | 3,702 | 3,826 | 3,963 | 3,965 | 3,989 | 4,015 | 3,987 |
| 長期借入金 | - | - | - | - | - | - | - | - | - | - | 15 | - | - | - | 12 | - | - | 8 | 5 | 22 | 27 | 22 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 総負債 | 1,141 | 1,105 | 1,146 | 1,194 | - | - | 1,313 | - | - | - | 1,318 | - | - | - | 1,475 | - | - | 1,596 | 1,688 | 1,936 | 2,105 | 2,262 | 2,561 | 2,962 | 2,938 | 3,022 | 2,997 | 3,240 | 3,311 | 3,259 | 3,319 | 3,402 | 3,408 | 3,461 | 3,498 | 3,601 | 3,739 | 3,741 | 3,753 | 3,787 | 3,749 |
| 資本金及び資本剰余金 | 37 | 36 | 36 | 36 | - | - | 36 | - | - | - | 21 | - | - | - | 21 | - | - | 23 | 24 | 26 | 28 | 30 | 31 | 31 | 31 | 31 | 32 | 33 | 32 | 33 | 34 | 35 | 34 | 35 | 36 | 37 | 36 | 37 | 37 | 38 | 38 |
| 利益剰余金 | 81 | 83 | 86 | 88 | - | - | 95 | - | - | - | 105 | - | - | - | 117 | - | - | 129 | 141 | 153 | 169 | 184 | 198 | 203 | 211 | 221 | 229 | 237 | 246 | 255 | 262 | 267 | 267 | 269 | 271 | 271 | 272 | 273 | 275 | 278 | 282 |
| 株主資本 | 119 | 121 | 123 | 126 | - | - | 134 | - | - | - | 123 | - | - | - | 140 | - | - | 152 | 165 | 178 | 191 | 211 | 215 | 223 | 234 | 246 | 252 | 260 | 236 | 216 | 198 | 211 | 216 | 217 | 203 | 225 | 223 | 223 | 235 | 227 | 237 |
| 有利子負債合計 | - | - | - | - | - | - | - | - | - | - | 15 | - | - | - | 12 | - | - | 8 | 5 | 22 | 27 | 22 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 純有利子負債 | - | - | - | - | - | - | - | - | - | - | -27 | - | - | - | -28 | - | - | -65 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| DEレシオ（％） | - | - | - | - | - | - | - | - | - | - | 12.89 | - | - | - | 9.04 | - | - | 5.52 | 3.1 | 12.87 | 14.16 | 10.82 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |