Cash and cash equivalents - Summary of Cash and Cash Equivalents (Details) - USD ($) $ in Millions |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Cash | $ 5,551 | $ 5,886 | ||
| Short-term bank deposits | 10,706 | 6,590 | ||
| Money market funds, reverse repos and other cash equivalents | 22,853 | 26,298 | ||
| Total | $ 39,110 | $ 38,774 | $ 40,246 | $ 36,970 |
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- Definition The amount of cash on hand and demand deposits. [Refer: Cash on hand] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- 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] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of 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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition A classification of cash equivalents representing short-term deposits. [Refer: Cash equivalents] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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