Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of detailed information about intangible assets [line items] | |||
| Carrying amount of intangible assets | $ 41,985 | $ 40,034 | |
| Intangible Assets Research And Development Expenses Expensed [Member] | |||
| Disclosure of detailed information about intangible assets [line items] | |||
| Intangible assets expensed research and development | 194 | 222 | $ 256 |
| Intangible Assets With Indefinite Useful Life [member] | |||
| Disclosure of detailed information about intangible assets [line items] | |||
| Carrying amount of intangible assets | 38,478 | 36,948 | |
| Intangible Assets With Finite Useful Life [member] | |||
| Disclosure of detailed information about intangible assets [line items] | |||
| Carrying amount of intangible assets | $ 3,507 | $ 3,086 | |