Consumer receivables - Additional information (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Pledged consumer receivables
Disclosure of financial assets [line items]
Amounts written off	$ 173	$ 241

The decrease in financial assets resulting from write-off. [Refer: Financial assets]

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration