Financial Assets At Amortized Cost - Disclosure Of Financial Assets At Amortized Cost (Parenthetical) (Detail) - CNY (¥) ¥ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure Of Detailed Information About Financial assets at amortized costs [Abstract] | ||
| Financial assets at amortized cost past due | ¥ 1,344 | ¥ 1,344 |
| Carrying amounts of financial assets | 0 | |
| Impairment loss recognized in the current period | ¥ 0 | ¥ 247 |