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Capital structure and financing - C.5. Cash and deposits (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 699	$ 775	$ 1,039	$ 895
Restricted cash	57	56
Pledged deposits	0	6
Mobile Financial Services
Cash and Cash Equivalents [Line Items]
Restricted cash	47	49
Others
Cash and Cash Equivalents [Line Items]
Restricted cash	10	8
Debt denominated in US dollars
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	550	531
Total debt denominated in other currencies
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 149	$ 244

X

- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

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The amount of financial assets that the entity has pledged as collateral for liabilities or contingent liabilities, including amounts that have been reclassified in accordance with paragraph 3.2.23(a) of IFRS 9. [Refer: Classes of contingent liabilities [domain]; Financial assets]

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[Line Items] for Cash and Cash Equivalents [Table]

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