Tax assets and liabilities - Current tax (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Tax assets and liabilities
Current tax recoverable	$ 31	$ 34
Current tax liabilities	238	275
Provision for uncertain tax matters	95	93
Deferred tax assets	142	156
Deferred tax liabilities	$ 1,514	$ 1,250

The excess of amount paid for current tax in respect of current and prior periods over the amount due for those periods. Current tax is the amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period.

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- Definition

The amount of current tax for current and prior periods to the extent unpaid. Current tax is the amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period.

+ References

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- Definition

The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]]

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- Definition

The amount of provision for open tax matters.

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No definition available.

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- Definition

Tax assets and liabilities

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No definition available.

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