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Performance B.4.1. Share-based compensation - Cost of share based compensation (Details) - USD ($) $ in Millions | 12 Months Ended |
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Jun. 29, 2022
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Cost of share based compensation | $ (29) | $ (17) | $ (24) |
Telecomunicaciones Digitales, S.A. |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Percentage of controlling interest acquired |  |  |  | 20.00%
2018 incentive plans |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Cost of share based compensation | 0 | 0 | (2) |
2019 incentive plans |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Cost of share based compensation | 0 | 3 | (8) |
2020 incentive plans |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Cost of share based compensation | (3) | (3) | (13) |
2021 incentive plans |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Cost of share based compensation | (11) | (17) | 0 |
Incentive Plans, 2022 |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Cost of share based compensation | $ (15) | $ 0 | $ 0 |

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2022-03-24 -Paragraph B64 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B -URIDate 2022-03-24 + Details
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- Definition Expense From Share-Based Payment Transactions, Excluding Disposals + References No definition available. + Details
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- Details
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- Details
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