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Other financial assets - Additional information (Details 2) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Coral FLNG SA |  |
Other financial assets |  |
Proportion of ownership interest in associate | 25.00% |
Cardon IV SA |  |
Other financial assets |  |
Proportion of ownership interest in joint venture (as a percent) | 50.00% | 50.00%
Mozambique Rovuma Venture SpA |  |
Other financial assets |  |
Proportion of ownership interest in joint venture (as a percent) | 35.71% |
Non-current financing receivables held for operating purposes | Minimum |  |
Other financial assets |  |
Discount rate applied to cash flow projections (as a percent) | 1.80% | (0.30%)
Non-current financing receivables held for operating purposes | Maximum |  |
Other financial assets |  |
Discount rate applied to cash flow projections (as a percent) | 5.10% | 1.70%
Securities held for operating purposes | Maximum |  |
Other financial assets |  |
Maturity of securities held for operating purposes | 5 years |

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