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GROUP STRUCTURE (Details 6) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |
Interests in associates |  | $ 82 | $ 98
Interests in joint ventures |  | 820 | 676
Interests in associates and joint ventures |  | 902 | 774
Investments in joint ventures and associates |  |  | (4)
Compania De Inversione De Energia S A [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Interests in joint ventures |  | 435 | 347
Compania Inversora En Transmision Electrica Citelec S A [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Interests in joint ventures |  | 117 | 102
C T Barragan S A [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Interests in joint ventures |  | 268 | 227
Greenwind S A [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Investments in joint ventures and associates |  |  | (4)
Refineria Del Norte S A [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Interests in associates | [1] |  | 22
Oleoducto De Crudos Pesados Ltd [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Interests in associates |  | 15 | 24
Transportadora De Gas Del Sur S A [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Interests in associates |  | $ 67 | $ 52
[1] | See Note 5.1.2.

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- Definition The amount of investments accounted for using the equity method. The equity method is a method of accounting whereby the investment is initially recognised at cost and adjusted thereafter for the post-acquisition change in the investor's share of net assets of the investee. The investor's profit or loss includes its share of the profit or loss of the investee. The investor's other comprehensive income includes its share of the other comprehensive income of the investee. [Refer: At cost [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2022-03-24 -Paragraph 24 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_24_a&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 54 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_e&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph B16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B16&doctype=Appendix&subtype=B -URIDate 2022-03-24 + Details
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