Loans and borrowings - Summary of Loans and Borrowings (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Non-current
Bank loans	$ 139	$ 116
Lease liabilities	144	125
Non-current borrowings	283	241
Current
Convertible notes (including embedded derivative)	1,479	0
Bank loans	114	90
Lease liabilities	37	33
Current borrowings	$ 1,630	$ 123

The amount of current borrowings and current portion of non-current borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References

No definition available.

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- Definition

The amount of current lease liabilities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2024-01-01
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- Definition

The amount of current notes and debentures issued and the current portion of non-current notes and debentures issued. [Refer: Notes and debentures issued]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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- Definition

The amount of current secured bank loans received and the current portion of non-current secured bank loans received. [Refer: Secured bank loans received]

+ References

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- Definition

The non-current portion of non-current borrowings. [Refer: Borrowings]

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- Definition

The amount of non-current lease liabilities. [Refer: Lease liabilities]

+ References

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- Definition

The non-current portion of non-current secured bank loans received. [Refer: Secured bank loans received]

+ References

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