| Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2022 |
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| Cash and cash equivalents | 314 | 89 | 411 | 703 | 1,100 |
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| Restricted cash | - | 66 | 32 | 71 | 70 |
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| Trade and other receivables | 933 | 756 | 462 | 583 | 1,589 |
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| Current prepaid expenses | 24 | 13 | 19 | 31 | 33 |
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| Risk management assets current | 219 | 146 | 166 | 171 | 709 |
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| Inventory | 219 | 242 | 251 | 238 | 157 |
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| Assets of held for sale | - | - | - | - | - |
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| Current assets | 1,709 | 1,312 | 1,341 | 1,902 | 3,714 |
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| Investments | - | - | - | 100 | 129 |
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| Non-current finance lease receivables | 215 | 191 | 176 | 228 | 129 |
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| Risk management assets non-current | 684 | 662 | 640 | 521 | 161 |
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| Property, plant and equipment | 6,578 | 6,164 | 6,207 | 5,822 | 5,556 |
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| Right-of-use assets | - | - | 146 | 141 | 126 |
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| Intangible assets | 364 | 373 | 318 | 313 | 252 |
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| Goodwill | 463 | 464 | 464 | 463 | 464 |
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| Deferred tax assets | 24 | 28 | 18 | 51 | 50 |
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| Other assets | 237 | 234 | 198 | 206 | 160 |
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| Total assets | 10,304 | 9,428 | 9,508 | 9,747 | 10,741 |
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| Bank overdraft | - | - | - | - | 16 |
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| Trade and other current payables | 595 | 497 | 413 | 599 | 1,346 |
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| Current portion of decommissioning and other provisions | 67 | 70 | 58 | 59 | 70 |
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| Risk management liabilities non-current | 101 | 90 | 81 | 94 | 1,129 |
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| Dividends payable | 34 | 58 | 37 | 59 | 68 |
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| Current borrowings and current portion of non-current borrowings | 747 | 148 | 513 | 105 | 178 |
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| Current liabilities | 1,608 | 873 | 1,117 | 935 | 2,888 |
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| Non-current portion of non-current borrowings | 2,960 | 3,119 | 2,699 | 3,256 | 3,475 |
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| Decommissioning and other provisions | 403 | 386 | 488 | 614 | 659 |
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| Deferred tax liabilities | 549 | 501 | 472 | 396 | 352 |
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| Risk management liabilities | 40 | 41 | 29 | 68 | 333 |
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| Contract liabilities | - | - | - | 14 | 12 |
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| Defined benefit obligation and other long-term liabilities | 359 | 287 | 301 | 298 | 294 |
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| Common shares | - | - | - | - | 2,863 |
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| Preferred shares | - | - | - | - | 942 |
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| Contributed surplus | 10 | 11 | 42 | 38 | 41 |
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| Deficit | -1,209 | -1,496 | -1,455 | -1,826 | -2,514 |
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| Accumulated other comprehensive income | 489 | 481 | 454 | 302 | -222 |
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| Equity attributable to shareholders | 3,326 | 2,997 | 2,961 | 2,352 | 1,110 |
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| Non-controlling interests | 1,059 | 1,137 | 1,101 | 1,084 | 879 |
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| Total equity | 4,385 | 4,134 | 4,062 | 3,436 | 1,989 |
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| Total liabilities and equity | 10,304 | 9,428 | 9,508 | 9,747 | 10,741 |
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