Subsequent events (Details) - Major business combination [member] - CK Hutchison Group Telecom Holdings Limited [Member] € in Billions, £ in Billions	May 05, 2026 EUR (€)	May 05, 2026 GBP (£)
Statements
Percentage of voting equity interests acquired	49.00%	49.00%
Cash transferred	€ 4.9	£ 4.3

The fair value, at acquisition date, of cash transferred as consideration in a business combination. [Refer: Total for all business combinations [member]]

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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