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Sale of businesses - Narrative (Details) - USD ($) $ in Millions |  |  |  | 6 Months Ended
--- | --- | --- | --- | ---
Oct. 15, 2024 | Sep. 30, 2024 | Sep. 19, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Disclosure of business disposal [line items] |  |  |  |  |
Non-operating gains (losses) |  |  |  | $ (54) | $ (60)
Guinness Nigeria PLC (5) |  |  |  |  |
Disclosure of business disposal [line items] |  |  |  |  |
Consideration received |  | $ 64 |  |  |
Decrease through loss of control of subsidiary, property, plant and equipment |  | $ 25 |  |  |
Non-operating gains (losses) |  |  |  | (114) |
Exchange recycled from other comprehensive income |  |  |  | (175) |
Pampero Brand and Inventory |  |  |  |  |
Disclosure of business disposal [line items] |  |  |  |  |
Consideration received | $ 57 |  |  |  |
Non-operating gains (losses) |  |  |  | 53 |
Safari brand (7) |  |  |  |  |
Disclosure of business disposal [line items] |  |  |  |  |
Consideration received |  |  | $ 16 |  |
Non-operating gains (losses) |  |  |  | 15 |
Guinness Cameroon S.A. |  |  |  |  |
Disclosure of business disposal [line items] |  |  |  |  |
Non-operating gains (losses) |  |  |  | $ (8) |

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- Definition Recycling of accumulated foreign exchange gains / losses related to net investments in foreign operations to the income statement following the acquisition of equity stakes in group's associates and joint venture that it did not already own or disposal of subsidiaries, associates or joint ventures. + References No definition available. + Details
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- Definition The amount of consideration paid or received in respect of both obtaining and losing control of subsidiaries or other businesses. [Refer: Total for all subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 40 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_40_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The decrease in property, plant and equipment resulting from the loss of control of a subsidiary. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard -URIDate 2024-03-27 + Details
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