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Share-based Payments - Disclosure of subsidiary share-based payments (Details) | 12 Months Ended
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Dec. 31, 2022 shares | Dec. 31, 2022 | Dec. 31, 2021 shares | Dec. 31, 2020 shares
Subsidiary Plans [Line Items] |  |  |  |
Outstanding at beginning of period (in shares) | 13,414,118 |  | 10,916,086 | 8,472,827
Number of share options granted in share-based payment arrangement (in shares) | 8,881,000 |  | 5,424,000 | 4,076,982
Exercised (in shares) | (577,022) |  | (2,238,187) | (514,410)
Outstanding at end of period (in shares) | 17,793,881 |  | 13,414,118 | 10,916,086
Alivio |  |  |  |
Subsidiary Plans [Line Items] |  |  |  |
Outstanding at beginning of period (in shares) | 0 |  | 3,888,168 | 3,698,244
Number of share options granted in share-based payment arrangement (in shares) |  |  | 197,398 | 189,924
Exercised (in shares) |  |  | (2,373,750) | 0
Expired During the Year |  |  | (506,260) | 0
Forfeited (in shares) |  |  | (1,205,556) | 0
Deconsolidation (in shares) |  |  | 0 | 0
Outstanding at end of period (in shares) |  |  | 0 | 3,888,168
Entrega |  |  |  |
Subsidiary Plans [Line Items] |  |  |  |
Outstanding at beginning of period (in shares) | 349,500 |  | 962,000 | 972,000
Number of share options granted in share-based payment arrangement (in shares) | 45,000 |  | 0 | 0
Exercised (in shares) |  | 0 | (525,000) | 0
Expired During the Year | (50,000) |  | (87,500) | 0
Forfeited (in shares) | 0 |  | 0 | (10,000)
Deconsolidation (in shares) | 0 |  | 0 | 0
Outstanding at end of period (in shares) | 344,500 |  | 349,500 | 962,000
Follica |  |  |  |
Subsidiary Plans [Line Items] |  |  |  |
Outstanding at beginning of period (in shares) | 2,686,120 |  | 1,309,040 | 1,309,040
Number of share options granted in share-based payment arrangement (in shares) | 90,000 |  | 1,383,080 | 0
Exercised (in shares) |  | 0 | 0 | 0
Expired During the Year | 0 |  | (6,000) | 0
Forfeited (in shares) | 0 |  | 0 | 0
Deconsolidation (in shares) | 0 |  | 0 | 0
Outstanding at end of period (in shares) | 2,776,120 |  | 2,686,120 | 1,309,040
Sonde |  |  |  |
Subsidiary Plans [Line Items] |  |  |  |
Outstanding at beginning of period (in shares) | 2,049,004 |  | 2,192,834 | 1,829,004
Number of share options granted in share-based payment arrangement (in shares) | 0 |  | 0 | 363,830
Exercised (in shares) |  | 0 | 0 | 0
Expired During the Year | 0 |  | (51,507) | 0
Forfeited (in shares) | 0 |  | (92,323) | 0
Deconsolidation (in shares) | (2,049,004) |  | 0 | 0
Outstanding at end of period (in shares) | 0 |  | 2,049,004 | 2,192,834
Vedanta |  |  |  |
Subsidiary Plans [Line Items] |  |  |  |
Outstanding at beginning of period (in shares) | 1,991,637 |  | 1,741,888 | 1,450,100
Number of share options granted in share-based payment arrangement (in shares) | 490,506 |  | 451,532 | 493,951
Exercised (in shares) |  | (400,000) | (52,938) | (813)
Expired During the Year | (65,235) |  | (76,491) | 0
Forfeited (in shares) | (192,332) | (192,332) | (72,354) | (201,350)
Deconsolidation (in shares) | 0 |  | 0 | 0
Outstanding at end of period (in shares) | 1,824,576 |  | 1,991,637 | 1,741,888

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