Structured entities - Disclosure of interests in unconsolidated structured entities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Disclosure of unconsolidated structured entities [line items]
Consumer receivables at fair value through OCI	$ 386	$ 0
Consumer receivables at fair value through profit and loss	400	2
Pledged assets under forward flow arrangements	2,334	5
Payable to SPV	44	15
Forward flow securitization
Disclosure of unconsolidated structured entities [line items]
Consumer receivables at fair value through OCI	386	0
Consumer receivables at fair value through profit and loss	400	2
Pledged assets under forward flow arrangements	0	2
Total assets	786	4
Payable to SPV	44	15
Total liabilities	$ 44	$ 15

The amount of assets recognised in the entity's financial statements relating to its interests in structured entities. [Refer: Assets; Total for all unconsolidated structured entities [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2025-01-01
-Paragraph 29
-Subparagraph a
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-URIDate 2025-03-27

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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.

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- Definition

The amount of financial assets that the entity has pledged as collateral for liabilities or contingent liabilities, including amounts that have been reclassified in accordance with paragraph 3.2.23(a) of IFRS 9. [Refer: Classes of contingent liabilities [domain]; Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph 14
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-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
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-Paragraph 51
-Subparagraph a
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- Definition

The amount of liabilities recognised in the entity's financial statements relating to its interests in structured entities. [Refer: Liabilities; Total for all unconsolidated structured entities [member]]

+ References

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- Definition

The amount of loans and advances the entity has made to customers that are mandatorily measured at fair value through profit or loss in accordance with IFRS 9, other than those classified as held for trading. [Refer: Loans and advances to customers; Financial assets at fair value through profit or loss, mandatorily measured at fair value, other than those classified as held for trading]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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- Definition

The amount of loans and advances the entity has made to customers that are measured at fair value through other comprehensive income. [Refer: Loans and advances to customers; Financial assets measured at fair value through other comprehensive income]

+ References

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- Definition

Payable To Securitization Vehicles (SPV)

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