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Investments (Details 1) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |
Investments beginning | $ 1,566 | $ 1,510 |
Investments | 24 | 27 |
Results in equity-accounted investments | (304) | 251 | $ 1,607
CTA | (112) | (25) |
OCI | 267 | 219 |
Dividends | (82) | (344) |
Investments ending | 1,358 | 1,566 | 1,510
Restructuring, capital decrease and others | (1) | (15) |
Transfer to assets held for sale |  | (57) |
Compania Mega S A Mega [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Investments beginning | 149 | 98 |
Results in equity-accounted investments | 4 | 55 |
CTA | 1 | 1 |
Dividends | (35) | (5) |
Investments ending | 119 | 149 | 98
Associates [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Investments beginning | 1,016 | 998 |
Investments | 12 | 11 |
Results in equity-accounted investments | (302) | (5) |
CTA | (114) | (27) |
OCI | 266 | 219 |
Dividends | (4) | (109) |
Investments ending | 873 | 1,016 | 998
Restructuring, capital decrease and others | (1) | (13) |
Transfer to assets held for sale |  | (58) |
M P Gulf Of Mexico L L C [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Investments beginning | 374 | 387 |
Results in equity-accounted investments | (3) | 170 |
CTA | (1) | 1 |
Dividends | (30) | (184) |
Investments ending | 340 | 374 | 387
Other Joint Ventures [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Investments beginning | 23 | 24 |
Investments | 12 | 16 |
Results in equity-accounted investments | (3) | 31 |
CTA | 2 | (1) |
OCI | 1 |  |
Dividends | (13) | (46) |
Investments ending | 22 | 23 | 24
Restructuring, capital decrease and others |  | (2) |
Transfer to assets held for sale |  | 1 |
Other investment [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Investments beginning | 4 | 3 |
CTA |  | 1 |
Investments ending | 4 | 4 | 3
Joint ventures [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Investments beginning | 546 | 509 |
Investments | 12 | 16 |
Results in equity-accounted investments | (2) | 256 |
CTA | 2 | 1 |
OCI | 1 |  |
Dividends | (78) | (235) |
Investments ending | $ 481 | 546 | $ 509
Restructuring, capital decrease and others |  | (2) |
Transfer to assets held for sale |  | $ 1 |

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