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FINANCIAL ASSETS AND LIABILITIES (Details 3) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Financial Assets And Liabilities |  |  |  |
At the beginning of the year |  | $ 9 | $ 16 | $ 68
Impairment (1) | [1] | 1 | 1 | 63
Utilizations |  | (1) |  | (7)
Reversal of unused amounts |  |  | (6) | (3)
Increase (decrease) through net exchange differences, allowance account for credit losses of financial assets |  | (3) | (2) | (2)
Gain on monetary position, net |  |  |  | (28)
Reclasification to assets clasified as held for sales |  |  |  | (75)
At the end of the year |  | $ 6 | $ 9 | $ 16
[1] | It includes US$ 26 million corresponding to discontinued operations for fiscal year 2020. As of December 31, 2020, it includes US$ 13 million corresponding to the receivable impairment related to the exchange difference between the price of gas purchased by distributors and the price of gas recognised in distributors´s final tariffs between April 2018 and March 2019 to be assumed by the Federal Government in accordance to PEN Executive Order No. 1,053/18 (see Note 15).

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- Definition The amount of additional allowance for credit losses of financial assets recognised in profit or loss. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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- Definition The increase (decrease) in an allowance account for credit losses of financial assets resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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- Definition The decrease in an allowance account for credit losses of financial assets resulting from the reversal of impairment. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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