Segment Information - Schedule of Long-Lived Assets by Geographic Region (Detail) - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
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| Segment Reporting Information [Line Items] | ||
| Long-lived assets | $ 36,510 | $ 36,539 |
| Americas [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Long-lived assets | 32,441 | 32,492 |
| Europe [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Long-lived assets | 3,924 | 3,921 |
| Asia-Pacific [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Long-lived assets | $ 145 | $ 126 |
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- Definition Amount of long-lived asset, excluding financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax asset. 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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