| （単位：百万ドル） | 4Q11 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現金同等物 | 12 | 14 | 18 | 15 | 17 | 14 | - | 14 | 14 | 13 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 189 | 133 | 69 | 27 | 25 | 29 | 29 | 71 | 72 | 114 | 89 | 93 | 118 |
| 有価証券 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 421 | - | - | - | 405 | - | - | - | 270 | - | - | - | 243 | - |
| 現金 + 有価証券 | 12 | 14 | 18 | 15 | 17 | 14 | - | 14 | 14 | 13 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 189 | 133 | 69 | 432 | 25 | 29 | 29 | 342 | 72 | 114 | 89 | 336 | 118 |
| 有形固定資産 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 22 | 27 | 29 | 34 | 41 | - | - | - | 46 | - | - | - | 45 | - | - | - | 45 | - |
| 総資産 | 776 | 753 | 759 | 772 | 767 | 744 | 751 | 773 | 775 | 781 | 789 | 790 | 806 | 817 | 817 | 833 | 846 | 851 | 831 | 842 | 836 | 828 | 853 | 830 | 811 | 808 | 818 | 835 | 839 | 824 | 827 | 856 | 942 | 937 | 956 | 993 | 1,036 | 1,065 | 1,105 | - | - | - | 1,023 | - | - | - | 975 | - | - | - | 977 | - |
| 長期借入金 | 85 | 47 | 47 | 37 | 27 | 22 | 12 | 12 | 12 | 12 | 12 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 3 | 3 | 3 | 3 | 3 | 3 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 総負債 | 710 | 683 | 689 | 701 | 702 | 678 | 686 | 705 | 702 | 707 | 713 | 712 | 729 | 738 | 737 | 750 | 761 | 766 | 749 | 759 | 751 | 742 | 766 | 745 | 726 | 723 | 729 | 744 | 745 | 728 | 729 | 752 | 837 | 831 | 848 | 889 | 930 | 960 | 1,001 | - | - | - | 955 | - | - | - | 898 | - | - | - | 899 | - |
| 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 | - |
| 利益剰余金 | 64 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 75 | 76 | 77 | 78 | 79 | 80 | 82 | 83 | 84 | 85 | 86 | 87 | 89 | 90 | 91 | 93 | 94 | 95 | 97 | 98 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 108 | 109 | 109 | - | - | - | 116 | - | - | - | 113 | - | - | - | 115 | - |
| 株主資本 | 65 | 70 | 70 | 70 | 65 | 65 | 64 | 68 | 72 | 73 | 75 | 77 | 77 | 79 | 79 | 82 | 84 | 85 | 82 | 83 | 85 | 86 | 86 | 85 | 85 | 85 | 89 | 90 | 94 | 96 | 98 | 103 | 105 | 106 | 107 | 103 | 106 | 104 | 103 | - | - | - | 68 | - | - | - | 76 | - | - | - | 78 | - |
| 有利子負債合計 | 85 | 47 | 47 | 37 | 27 | 22 | 12 | 12 | 12 | 12 | 12 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 3 | 3 | 3 | 3 | 3 | 3 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 純有利子負債 | 72 | 32 | 28 | 21 | 10 | 8 | - | -3 | -3 | -1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| DEレシオ（％） | 130.42 | 67.25 | 67.31 | 53.0 | 41.74 | 33.76 | 18.95 | 17.89 | 16.9 | 16.69 | 16.12 | 9.31 | 9.37 | 9.07 | 9.03 | 8.71 | 8.51 | 8.49 | 3.91 | 3.86 | 3.78 | 3.72 | 3.7 | 3.78 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |