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GENERAL INFORMATION - Going Concern, Narrative (Details) customer in Millions, $ in Millions	Jul. 31, 2026 employee customer	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Nov. 29, 2024	Oct. 31, 2023
Disclosure of subsidiaries [line items]
Number of employees | employee	5,667
Cash and cash equivalents		$ 364	$ 455	$ 458	$ 674
Total available funding		455
Third-party debt covenants		0
Security deposits and cash collateral
Disclosure of subsidiaries [line items]
At amortized cost		$ 91	$ 119
VEON Ltd. | Kyivstar Group Ltd.
Disclosure of subsidiaries [line items]
Percentage of corporate rights frozen							47.85%
Percentage of corporate rights unfrozen						47.85%
VEON Ltd. | LLC Ukraine Tower Company
Disclosure of subsidiaries [line items]
Percentage of corporate rights frozen							100.00%
VEON Ltd. | LLC Kyivstar.Tech
Disclosure of subsidiaries [line items]
Percentage of corporate rights frozen							100.00%
VEON Ltd. | LLC Helsi Ukraine
Disclosure of subsidiaries [line items]
Percentage of corporate rights frozen							69.99%
VEON Ltd. | Other Ukrainian subsidiaries
Disclosure of subsidiaries [line items]
Percentage of corporate rights unfrozen						100.00%
UKRAINE
Disclosure of subsidiaries [line items]
Number of customers | customer	21.8

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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]

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