| （単位：十億円） | 4Q12 | 4Q13 | 4Q14 | 4Q15 | 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 | 4Q25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現金同等物 | 787 | 826 | 818 | 828 | 949 | 810 | 730 | 842 | 962 | 941 | 1,040 | 1,192 | 1,186 | 1,233 | 1,321 | 1,327 | 1,255 | 1,335 | 1,284 | 1,143 | 1,109 | 1,021 | 1,135 | 1,180 | 1,307 | 1,133 | 1,080 | 1,136 | 1,162 | 1,031 | 1,092 | 995 | 1,046 | 1,067 | 1,367 | 1,060 | 1,054 | 1,045 | 1,185 | 1,322 |
| 有価証券 | - | - | - | 235 | - | - | 12 | - | - | - | 3 | - | - | - | 1 | - | - | - | 0 | - | - | - | - | - | - | - | 0 | - | - | - | 0 | - | - | - | 0 | - | - | - | 7 | 0 |
| 流動資産合計 | - | - | - | 2,397 | - | - | 2,379 | - | - | - | 2,459 | - | - | - | 2,551 | - | - | - | 2,607 | - | - | - | 2,751 | - | - | - | 2,613 | - | - | - | 2,817 | - | - | - | 3,344 | - | - | - | 3,091 | 3,249 |
| 有形固定資産 | - | - | - | 294 | - | - | 270 | - | - | - | 235 | - | - | - | 231 | - | - | - | 214 | - | - | - | 226 | - | - | - | 216 | - | - | - | 203 | - | - | - | 180 | - | - | - | 157 | 133 |
| 投資有価証券 | - | - | - | 189 | - | - | 121 | - | - | - | 95 | - | - | - | 66 | - | - | - | 76 | - | - | - | 60 | - | - | - | 59 | - | - | - | 61 | - | - | - | 64 | - | - | - | 157 | 185 |
| 固定資産合計 | - | - | - | 1,801 | - | - | 1,828 | - | - | - | 1,773 | - | - | - | 1,816 | - | - | - | 2,147 | - | - | - | 2,071 | - | - | - | 2,151 | - | - | - | 2,171 | - | - | - | 2,105 | - | - | - | 2,332 | 2,352 |
| 総資産 | 8,333 | 8,440 | 9,067 | 11,444 | 11,081 | 11,065 | 10,997 | 10,763 | 10,783 | 11,143 | 11,232 | 11,318 | 11,426 | 11,552 | 11,426 | 11,372 | 11,779 | 12,122 | 12,175 | 12,405 | 12,511 | 12,843 | 13,068 | 13,093 | 13,168 | 13,324 | 13,563 | 13,582 | 13,835 | 14,091 | 14,271 | 14,622 | 14,786 | 14,554 | 15,266 | 15,584 | 15,795 | 15,769 | 16,322 | 16,866 |
| 短期借入金 | - | - | - | 61 | - | - | 107 | - | - | - | 134 | - | - | - | 159 | - | - | - | 291 | - | - | - | 307 | - | - | - | 143 | - | - | - | 438 | - | - | - | 220 | - | - | - | 210 | 145 |
| 一年内返済予定の長期借入金 | - | - | - | 250 | - | - | 267 | - | - | - | 299 | - | - | - | 257 | - | - | - | 205 | - | - | - | 201 | - | - | - | 271 | - | - | - | 287 | - | - | - | 374 | - | - | - | 253 | 297 |
| 流動負債合計 | - | - | - | 962 | - | - | 898 | - | - | - | 903 | - | - | - | 663 | - | - | - | 741 | - | - | - | 823 | - | - | - | 730 | - | - | - | 1,070 | - | - | - | 961 | - | - | - | 839 | 659 |
| 長期借入金 | - | - | - | 1,511 | - | - | 1,528 | - | - | - | 1,548 | - | - | - | 1,657 | - | - | - | 1,854 | - | - | - | 1,793 | - | - | - | 1,872 | - | - | - | 1,826 | - | - | - | 2,071 | - | - | - | 2,227 | 2,257 |
| 固定負債合計 | - | - | - | 2,413 | - | - | 2,284 | - | - | - | 2,262 | - | - | - | 2,573 | - | - | - | 2,842 | - | - | - | 2,736 | - | - | - | 2,826 | - | - | - | 2,736 | - | - | - | 3,255 | - | - | - | 3,458 | 3,758 |
| 総負債 | - | - | - | 3,375 | - | - | 3,182 | - | - | - | 3,165 | - | - | - | 3,236 | - | - | - | 3,583 | - | - | - | 3,559 | - | - | - | 3,556 | - | - | - | 3,807 | - | - | - | 4,216 | - | - | - | 4,298 | 4,417 |
| 資本金及び資本剰余金 | - | - | - | 467 | - | - | 468 | - | - | - | 468 | - | - | - | 469 | - | - | - | 469 | - | - | - | 469 | - | - | - | 469 | - | - | - | 469 | - | - | - | 469 | - | - | - | 469 | 469 |
| 利益剰余金 | - | - | - | 399 | - | - | 593 | - | - | - | 635 | - | - | - | 750 | - | - | - | 790 | - | - | - | 910 | - | - | - | 867 | - | - | - | 895 | - | - | - | 1,005 | - | - | - | 1,011 | 976 |
| 株主資本 | - | - | 733 | 823 | - | - | 1,025 | - | - | - | 1,067 | - | - | - | 1,130 | - | - | - | 1,172 | - | - | - | 1,262 | - | - | - | 1,208 | - | - | - | 1,181 | - | - | - | 1,232 | - | - | - | 1,126 | 1,183 |