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Financial instruments - additional disclosures (Details 13) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Statement [line items]
Hypothetical increase decrease percentage in currency rate sensitivity	5.00%
Hypothetical 5% increase [member]
Statement [line items]
Currency exchange rate sensitivity impact against USD in the income statement	$ (6)	$ 3
Currency exchange rate sensitivity impact against USD in the equity	93	99
Hypothetical 5% decrease [member]
Statement [line items]
Currency exchange rate sensitivity impact against USD in the income statement	7	(3)
Currency exchange rate sensitivity impact against USD in the equity	$ (98)	$ (104)

X

- Definition

In the sensitivity disclosure, no amounts have been recorded in the accounts, as it is a hypothetical scenario if interest rates would increase/decrease.

+ References

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+ Details

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- Definition

In the sensitivity disclosure, no amounts have been recorded in the accounts, as it is a hypothetical scenario if interest rates would increase/decrease.

+ References

No definition available.

+ Details

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- References

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+ Details

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- References

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- Details

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