Segment Reporting and Information about Geographic Areas - Schedule of Long-Lived Assets by Geographic Area (Detail) - USD ($) $ in Millions |
Sep. 30, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived Assets | $ 41,156 | $ 34,954 |
| United States | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived Assets | 32,367 | 26,629 |
| Germany | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived Assets | 4,447 | 4,258 |
| Other international | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived Assets | $ 4,342 | $ 4,067 |