| （単位：十億ドル） | 1Q10 | 2Q10 | 3Q10 | 4Q10 | 1Q11 | 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 | 35 | 36 | 33 | 48 | 53 | 51 | 54 | 47 | 39 | 42 | 37 | 47 | 43 | 47 | 58 | 60 | 55 | 41 | 56 | 47 | 40 | 46 | 54 | 54 | 54 | 56 | 43 | 43 | 43 | 45 | 48 | 80 | 87 | 82 | 92 | 87 | 81 | 80 | 80 | 82 | 132 | 106 | 95 | 106 | 118 | 126 | 124 | 128 | 136 | 131 | 112 | 128 | 111 | 105 | 108 | 89 | 102 | 90 | 91 | 105 | 91 | 109 |
| 現金 + 有価証券 | 35 | 36 | 33 | 48 | 53 | 51 | 54 | 47 | 39 | 42 | 37 | 47 | 43 | 47 | 58 | 60 | 55 | 41 | 56 | 47 | 40 | 46 | 54 | 54 | 54 | 56 | 43 | 43 | 43 | 45 | 48 | 80 | 87 | 82 | 92 | 87 | 81 | 80 | 80 | 82 | 132 | 106 | 95 | 106 | 118 | 126 | 124 | 128 | 136 | 131 | 112 | 128 | 111 | 105 | 108 | 89 | 102 | 90 | 91 | 105 | 91 | 109 |
| 総資産 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 829 | 814 | 815 | 832 | 841 | 854 | 852 | 858 | 876 | 866 | 854 | 876 | 892 | 903 | 895 | 948 | 975 | 956 | 1,116 | 1,159 | 1,162 | 1,190 | 1,188 | 1,222 | 1,174 | 1,160 | 1,180 | 1,200 | 1,165 | 1,169 | 1,194 | 1,229 | 1,212 | 1,258 | 1,215 | 1,300 | 1,354 |
| 長期借入金 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 163 | 164 | 165 | 173 | 184 | 192 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 総負債 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 750 | 735 | 738 | 753 | 761 | 774 | 773 | 779 | 795 | 785 | 772 | 794 | 809 | 819 | 813 | 861 | 887 | 866 | 1,013 | 1,051 | 1,054 | 1,083 | 1,082 | 1,118 | 1,071 | 1,058 | 1,079 | 1,098 | 1,064 | 1,069 | 1,094 | 1,128 | 1,111 | 1,153 | 1,110 | 1,192 | 1,245 |
| 資本金及び資本剰余金 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 24 | 24 | 23 | 23 | 24 | 24 | 23 | 24 | 24 | 26 | 27 | 28 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 29 | 30 | 30 | 30 | 30 |
| 利益剰余金 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 51 | 53 | 54 | 55 | 56 | 58 | 58 | 60 | 62 | 63 | 64 | 66 | 68 | 69 | 71 | 72 | 74 | 76 | 79 | 82 | 85 | 87 | 89 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 98 | 100 | 101 | 103 | 105 | 108 | 110 |
| 株主資本 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 78 | 78 | 77 | 79 | 80 | 80 | 78 | 79 | 81 | 80 | 81 | 82 | 83 | 84 | 83 | 87 | 88 | 90 | 103 | 108 | 108 | 107 | 107 | 104 | 103 | 102 | 101 | 102 | 101 | 100 | 100 | 100 | 102 | 105 | 105 | 108 | 109 |
| 有利子負債合計 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 163 | 164 | 165 | 173 | 184 | 192 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 純有利子負債 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 107 | 121 | 121 | 130 | 139 | 143 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| DEレシオ（％） | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 208.6 | 208.93 | 213.5 | 218.36 | 230.23 | 239.26 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |