Other receivables - Narrative (Detail) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Provisions for credit losses on other receivables | $ 153 | $ 124 |
| Charge-offs, net of recoveries | $ 110 | $ 124 |
| X | ||||||||||
- Definition Charge Offs, net of recoveries on receivables. No definition available.
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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