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Capital structure and financing - C.5. Cash and deposits (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | [1] | Dec. 31, 2019 | [1]
--- | --- | --- | --- | --- | --- | ---
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Cash and cash equivalents | $ 1,039 | $ 895 | [1],[2] | $ 875 | $ 1,164
Restricted cash | 57 | 203 | [2] |  |
Financial assets pledged as collateral for liabilities or contingent liabilities | 0 | 35 |  |  |
Debt denominated in US dollars |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Cash and cash equivalents | 820 | 526 |  |  |
Total debt denominated in other currencies |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Cash and cash equivalents | 220 | 369 |  |  |
Mobile Financial Services |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Restricted cash | 50 | 197 |  |  |
Other Banks |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Restricted cash | $ 6 | $ 7 |  |  |
[1] | Re-presented for discontinued operations (see note A.4.).
[2] | Restated after the finalization of the Guatemala purchase accounting. See note A.1.2. for further details.

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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph B13 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 54 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_i&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of financial assets that the entity has pledged as collateral for liabilities or contingent liabilities, including amounts that have been reclassified in accordance with paragraph 3.2.23(a) of IFRS 9. [Refer: Contingent liabilities [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 14 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_14_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of cash and cash equivalents whose use or withdrawal is restricted. [Refer: Cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard -URIDate 2022-03-24 + Details
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