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Investments (Details 1) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
IfrsStatementLineItems [Line Items] |  |
Investments beginning | $ 1,358 | $ 1,566
Investments | 22 | 24
Restructuring, capital decrease and others | (12) | 1
Results in equity-accounted investments | (627) | (304)
CTA | 318 | (112)
OCI | (261) | 267
Dividends | (139) | (82)
Investments ending | 659 | 1,358
Restructuring, capital decrease and others | 12 | (1)
Compania Mega S.A. MEGA [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Investments beginning | 119 | 149
Results in equity-accounted investments | 60 | 4
CTA | 1 | 1
Dividends | (17) | (35)
Investments ending | 163 | 119
Total for all associates [member] |  |
IfrsStatementLineItems [Line Items] |  |
Investments beginning | 873 | 1,016
Investments | 9 | 12
Restructuring, capital decrease and others | (12) | 1
Results in equity-accounted investments | (752) | (302)
CTA | 323 |
OCI | (261) | 266
Dividends | (5) | (4)
Investments ending | 175 | 873
Restructuring, capital decrease and others | 12 | (1)
Other Associates [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Investments beginning | 873 |
Investments | 9 |
Restructuring, capital decrease and others | (12) |
Results in equity-accounted investments | (752) |
CTA | 323 | (114)
OCI | (261) |
Dividends | (5) |
Investments ending | 175 | 873
Restructuring, capital decrease and others | 12 |
MP Gulf of Mexico, LLC [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Investments beginning | 340 | 374
Results in equity-accounted investments | 75 | (3)
CTA | 1 | (1)
Dividends | (118) | (30)
Investments ending | 298 | 340
Other Joint Ventures [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Investments beginning | 22 | 23
Investments | 13 | 12
Results in equity-accounted investments | (10) | (3)
CTA | (6) | 2
OCI |  | 1
Dividends | 1 | (13)
Investments ending | 20 | 22
Other investment [member] |  |
IfrsStatementLineItems [Line Items] |  |
Investments beginning | 4 | 4
CTA | (1) |
Investments ending | 3 | 4
Total for all joint ventures [member] |  |
IfrsStatementLineItems [Line Items] |  |
Investments beginning | 481 | 546
Investments | 13 | 12
Restructuring, capital decrease and others |  |
Results in equity-accounted investments | 125 | (2)
CTA | (4) | 2
OCI |  | 1
Dividends | (134) | (78)
Investments ending | 481 | 481
Restructuring, capital decrease and others |  |

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