Other investments (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Disclosure of Detailed Information About Other Investment Explanatory [Line Items]
Other investments	$ 1,476	$ 1,023
Other investments	3,441	3,371
Investments other than investments accounted for using equity method	4,917	4,394
Financial assets at amortised cost \| Time deposits
Disclosure of Detailed Information About Other Investment Explanatory [Line Items]
Non-current investments	156	261
Current investments	899	1,296
Financial assets at amortised cost \| Debt investments
Disclosure of Detailed Information About Other Investment Explanatory [Line Items]
Non-current investments	129	0
Current investments	370	971
FVTPL \| Debt investments
Disclosure of Detailed Information About Other Investment Explanatory [Line Items]
Non-current investments	544	240
Current investments	1,308	1,082
FVTPL \| Equity investments
Disclosure of Detailed Information About Other Investment Explanatory [Line Items]
Non-current investments	272	390
FVOCI \| Debt investments
Disclosure of Detailed Information About Other Investment Explanatory [Line Items]
Non-current investments	375	132
Current investments	$ 864	$ 22

Current investments other than investments accounted for using equity method.

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- Definition

Disclosure of Detailed Information About Other Investment Explanatory [Line Item ]

+ References

No definition available.

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- Definition

The amount of current financial assets. [Refer: Financial assets]

+ References

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

The amount of investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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The amount of non-current financial assets. [Refer: Financial assets]

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The amount of non-current investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method; Non-current assets; Investments other than investments accounted for using equity method]

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