Debt obligations - Schedule of Short-term Debt (Detail) - USD ($) $ in Millions |
1 Months Ended | 9 Months Ended | |
|---|---|---|---|
Feb. 28, 2026 |
Sep. 30, 2026 |
Dec. 31, 2025 |
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| Short-Term Debt [Line Items] | |||
| Current maturities of long-term liabilities | $ 4,038 | $ 1,798 | |
| Short-term debt | $ 4,038 | $ 1,820 | |
| Convertible Debt | |||
| Short-Term Debt [Line Items] | |||
| Weighted average interest rate | 0.25% | ||
| Repayments of convertible senior debentures | $ 23 | ||
| Convertible debentures | |||
| Short-Term Debt [Line Items] | |||
| Weighted average interest rate | 0.25% | ||
| Maturity | 2026 | ||
| Convertible debentures | $ 0 | $ 23 |
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- Definition Debt Instrument Maturity Year No definition available.
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- Definition Amount of debt and lease obligation, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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/2003/role/disclosureRef
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- Definition Weighted average interest rate of short-term debt outstanding calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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