Financial instruments and risk management - Schedule of derivative financial assets and liabilities (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Derivatives | ||
| Disclosure of offsetting of financial assets [line items] | ||
| Gross amount, liabilities | $ (342) | $ (275) |
| Right of assets offset, liabilities | 210 | 147 |
| Right of liabilities offset, liabilities | 67 | 72 |
| Net amount, liabilities | (65) | (56) |
| Derivatives | ||
| Disclosure of offsetting of financial assets [line items] | ||
| Gross amount, assets | 656 | 733 |
| Right of assets offset, assets | (210) | (147) |
| Right of liability offset, assets | (67) | (72) |
| Net amount, assets | $ 379 | $ 514 |
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- Definition Gross Financial Assets Set Off Against Financial Assets Subject To Off-setting Enforceable Master Netting Arrangements Or Similar Agreements No definition available.
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- Definition Gross Financial Liabilities Set Off Against Financial Liabilities Subject To Off-setting Enforceable Master Netting Arrangements Or Similar Agreements No definition available.
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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. No definition available.
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- Definition The amount of financial assets set off against financial liabilities when an entity: (a) currently has a legally enforceable right to set off the recognised amounts; and (b) intends either to settle on a net basis, or to realise the asset and settle the liability simultaneously. [Refer: Financial assets; Financial liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The gross amount of recognised financial assets that are subject either to offsetting or to an enforceable master netting arrangement or similar agreement. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of financial liabilities set off against financial assets when an entity: (a) currently has a legally enforceable right to set off the recognised amounts; and (b) intends either to settle on a net basis or to realise the asset and settle the liability simultaneously. [Refer: Financial assets; Financial liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The gross amount of recognised financial liabilities that are subject either to offsetting or to an enforceable master netting arrangement or similar agreement. [Refer: Financial liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount remaining after deducting the amounts subject to an enforceable master netting arrangement or similar agreement that were not set off against financial assets, from the net amount of financial assets subject to offsetting or subject to an enforceable master netting arrangement or similar agreement presented in the statement of financial position. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount remaining after deducting the amounts subject to an enforceable master netting arrangement or similar agreement that were not set off against financial liabilities, from the net amount of financial liabilities subject to offsetting or subject to an enforceable master netting arrangement or similar agreement presented in the statement of financial position. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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