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GENERAL INFORMATION - Schedule of Interests in Subsidiaries (Details) | 6 Months Ended
--- | ---
Jun. 30, 2026 | Jun. 30, 2025
JSC Kyivstar |  |
Disclosure of subsidiaries [line items] |  |
Interest | 99.995% | 99.995%
LLC Kyivstar.Tech |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% | 100.00%
LLC Helsi Ukraine |  |
Disclosure of subsidiaries [line items] |  |
Interest | 97.99% | 97.99%
LLC Lan Trace |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% | 100.00%
LLC Uklon Corporate |  |
Disclosure of subsidiaries [line items] |  |
Interest | 97.00% | 97.00%
LLC Uklon Tech |  |
Disclosure of subsidiaries [line items] |  |
Interest | 97.00% | 97.00%
LLC Uklon Ltd |  |
Disclosure of subsidiaries [line items] |  |
Interest | 97.00% | 97.00%
Uklon LLC |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% | 100.00%
Uklon LLC | LLC Uklon Ltd |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% |
Kyivstar Holdings B.V. |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% | 100.00%
Kyivstar Cayman Corp. |  |
Disclosure of subsidiaries [line items] |  |
Interest | 0.00% | 100.00%
SUNVIN 11 LLC |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% | 100.00%
LLC ISP Shtorm |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% |
LLC MTPK |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% |
LLC Farmel |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% |
LLC Farmel | LLC MTPK |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% |
LLC Farma Studio |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% |
LLC Farma Studio | LLC MTPK |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% |
LLC Energy Space |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% |
LLC Ternovytsia Solar Plus |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% |
LLC Energopostach-Plus |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% |
LLC Lightfull |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% |
LLC Sunlight Generation |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% |
LLC Ternovytsia Solar |  |
Disclosure of subsidiaries [line items] |  |
Interest | 100.00% |

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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 proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Total for all subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2025-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2025-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2025-01-01 -Paragraph 19B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2025-03-27 + Details
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