Income taxes - Deferred income taxes (Detail) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Deferred income tax liabilities: | ||
| Investments, including unrealized appreciation | $ 48,411 | $ 47,158 |
| Deferred charges retroactive reinsurance | 1,702 | 1,847 |
| Property, plant and equipment and equipment held for lease | 34,834 | 33,590 |
| Goodwill and other intangible assets | 7,399 | 7,498 |
| Other | 4,528 | 5,043 |
| Deferred income tax liabilities | 96,874 | 95,136 |
| Deferred income tax assets: | ||
| Unpaid insurance losses and loss adjustment expenses | 1,270 | 1,226 |
| Unearned insurance premiums | 1,323 | 1,284 |
| Accrued liabilities | 2,535 | 2,713 |
| Regulatory liabilities | 1,388 | 1,364 |
| Deferred revenue | 2,916 | 2,539 |
| Other | 1,845 | 2,447 |
| Deferred income tax assets | 11,277 | 11,573 |
| Net deferred income tax liability | $ 85,597 | $ 83,563 |
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- Definition Deferred tax liabilities deferred charges retroactive reinsurance. No definition available.
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- Definition Deferred tax liabilities property plant and equipment, equipment held for lease. No definition available.
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- Definition Includes (a) The amount as of the balance sheet date of the estimated future tax effects arising from unrealized gains or losses on investments in debt and equity securities categorized as available for sale. Such unrealized holding gains/losses increase/decrease the carrying value of the asset recorded for financial reporting purposes, but not for tax purposes. (b) The amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the tax basis and the basis in accordance with generally accepted accounting principles in debt and equity securities categorized as available for sale. No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences derived regulatory assets and liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from loss reserves other than estimated credit losses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the unearned premiums reserve. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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