| （単位：百万ドル） | 2Q11 | 3Q11 | 4Q11 | 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 | 2Q24 | 3Q24 | 4Q24 | 1Q25 | 2Q25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現金同等物 | 32 | 45 | 52 | 69 | 74 | 61 | 54 | 68 | 48 | 43 | 47 | 60 | 41 | 34 | 34 | 30 | 25 | 27 | 44 | 30 | 42 | 26 | 23 | 32 | 26 | 32 | 27 | 34 | 41 | 50 | 49 | 60 | 44 | 35 | 57 | 56 | 108 | 65 | 94 | 125 | 81 | 75 | 61 | 97 | 33 | 36 | 30 | 68 | 74 | 66 | 50 | 60 | 58 | 82 | 47 | 56 | 53 |
| 有価証券 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 204 | 198 | 199 | 179 | 181 | 181 | 183 | 172 | 158 | 153 | 156 | 141 | 137 | 132 | 127 | 117 | 96 | 94 | 96 | 94 | 85 | 84 | 70 | 118 | 117 | 130 | 135 | 150 | 143 | 130 | 127 | 122 | 126 | 135 | 125 | 144 | 144 | 167 | 161 | 156 |
| 現金 + 有価証券 | 32 | 45 | 52 | 69 | 74 | 61 | 54 | 68 | 48 | 43 | 47 | 60 | 41 | 34 | 34 | 30 | 25 | 232 | 242 | 229 | 222 | 207 | 205 | 216 | 199 | 190 | 180 | 191 | 183 | 187 | 182 | 187 | 162 | 131 | 151 | 152 | 202 | 151 | 179 | 195 | 200 | 192 | 192 | 232 | 183 | 180 | 160 | 195 | 197 | 192 | 185 | 185 | 202 | 226 | 215 | 217 | 210 |
| 有形固定資産 | - | - | - | - | - | - | - | - | - | - | - | - | 9 | 9 | 9 | 10 | 10 | 11 | 12 | 15 | 14 | 15 | 18 | 22 | 25 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 25 | 24 | 24 | 26 |
| 総資産 | - | - | - | - | - | - | - | - | - | - | - | - | 570 | 562 | 572 | 564 | 560 | 548 | 575 | 575 | 601 | 600 | 606 | 619 | 616 | 614 | 625 | 627 | 634 | 802 | 791 | 795 | 777 | 771 | 788 | 788 | 845 | 852 | 890 | 926 | 946 | 956 | 958 | 968 | 955 | 989 | 994 | 1,026 | 1,068 | 1,065 | 1,072 | 1,070 | 1,083 | 1,100 | 1,101 | 1,126 | 1,143 |
| 長期借入金 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 総負債 | - | - | - | - | - | - | - | - | - | - | - | - | 497 | 488 | 497 | 489 | 484 | 472 | 499 | 497 | 523 | 521 | 530 | 542 | 537 | 535 | 549 | 551 | 558 | 725 | 712 | 713 | 693 | 688 | 703 | 704 | 760 | 767 | 803 | 838 | 858 | 867 | 868 | 880 | 872 | 906 | 909 | 941 | 982 | 977 | 982 | 978 | 989 | 1,001 | 1,002 | 1,025 | 1,041 |
| 資本金及び資本剰余金 | - | - | - | - | - | - | - | - | - | - | - | - | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 利益剰余金 | - | - | - | - | - | - | - | - | - | - | - | - | 83 | 83 | 84 | 85 | 85 | 86 | 86 | 86 | 87 | 87 | 87 | 87 | 88 | 88 | 86 | 86 | 87 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 93 | 93 | 94 | 95 | 96 | 96 | 98 | 99 | 100 | 102 | 104 | 104 | 106 | 107 | 109 | 111 | 113 | 115 | 116 | 118 | 117 |
| 株主資本 | - | - | - | - | - | - | - | - | - | - | - | - | 73 | 73 | 75 | 75 | 75 | 76 | 76 | 77 | 78 | 78 | 76 | 77 | 78 | 78 | 76 | 75 | 75 | 77 | 79 | 81 | 83 | 83 | 84 | 84 | 85 | 85 | 86 | 87 | 88 | 89 | 90 | 87 | 82 | 83 | 85 | 84 | 85 | 87 | 90 | 92 | 93 | 98 | 98 | 101 | 101 |
| 有利子負債合計 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 純有利子負債 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -182 | -223 | -174 | -170 | -151 | -185 | -187 | -182 | -176 | -175 | -192 | -216 | -205 | -207 | -200 |
| DEレシオ（％） | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 11.83 | 12.15 | 12.95 | 12.89 | 12.6 | 12.68 | 12.56 | 12.33 | 11.92 | 11.72 | 11.55 | 11.02 | 11.02 | 10.76 | 10.71 |