Segment Information - Schedule of Long-Lived Assets by Geographic Region (Detail) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Segment Reporting Information [Line Items] | ||
| Long-lived assets | $ 29,487 | $ 27,052 |
| Americas [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Long-lived assets | 25,489 | 25,515 |
| Europe [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Long-lived assets | 3,889 | 1,437 |
| Asia-Pacific [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Long-lived assets | $ 109 | $ 100 |