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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.

X

- 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]]

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