| Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Net income | 17 | 8 | 162 | 188 | 120 | 118 |
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| Depreciation | 29 | 42 | 70 | 72 | 73 | 75 |
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| Extinguishment of long-term debt | 3 | - | 1 | 16 | 10 | 1 |
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| Amortization of debt issuance costs | 1 | 2 | 5 | 4 | 2 | 3 |
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| Share-based payments | 0 | 0 | -1 | 0 | 2 | 1 |
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| Foreign exchange loss/(gain) | 0 | -1 | -0 | 0 | -0 | -1 |
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| Change in fair value of derivative instruments | -2 | -22 | 24 | 78 | -7 | 2 |
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| Drydocking expenditure | - | - | - | - | 21 | 13 |
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| Other | -0 | -5 | 4 | -3 | 0 | 0 |
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| Inventory | 2 | 1 | 3 | -1 | -0 | -0 |
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| Other current assets | - | - | - | -1 | 10 | 4 |
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| Receivables due from related parties | -1 | -0 | 0 | -0 | 1 | -0 |
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| Payables due to related parties | -0 | 0 | 0 | -0 | 0 | 0 |
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| Accounts payable | -0 | 3 | -1 | -0 | 2 | -2 |
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| Other current liabilities | -0 | 0 | 3 | 13 | -10 | 4 |
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| Net cash provided by operating activities | 52 | 89 | 215 | 220 | 175 | 183 |
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| Purchase of other fixed assets | 0 | 0 | 0 | 0 | 0 | 0 |
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| Net cash used in investing activities | -292 | -691 | -266 | -0 | -0 | -0 |
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| Repayment of long-term debt | 29 | 36 | 72 | 85 | 111 | 102 |
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| Proceeds from Lines of Credit | - | 49 | 340 | 663 | 1,757 | 1,269 |
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| Repayment of revolving credit facilities | 50 | 49 | 298 | 414 | 1,607 | 1,519 |
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| Prepayment of long-term debt | -294 | - | 120 | 829 | 595 | 81 |
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| Proceeds from long-term debt | 698 | 670 | 383 | 745 | 650 | 430 |
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| Extinguishment costs paid on long-term debt | - | - | - | 11 | 1 | - |
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| Proceeds from termination of derivative instruments | - | - | - | 24 | - | 10 |
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| Financing costs | 5 | 18 | 3 | 11 | 8 | 3 |
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| Proceeds from issuance of shares | - | - | - | 14 | - | - |
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| Proceeds from Sale of Treasury Stock | - | - | - | 1 | - | 2 |
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| Cash dividends paid | 5 | 11 | 99 | 186 | 181 | 162 |
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| Net cash (used in)/provided by financing activities | 314 | 603 | 123 | -89 | -97 | -156 |
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| Effect of exchange rate changes on cash | 0 | -1 | 0 | 0 | -0 | -1 |
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| Net increase in cash, cash equivalents and restricted cash | 74 | -0 | 72 | 131 | 78 | 27 |
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| Interest paid | 36 | 37 | 49 | 63 | 113 | 105 |
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| Income tax paid | 0 | 0 | 0 | 0 | 0 | 0 |
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