Financial Assets at Fair Value - Summary of Financial Assets at Fair Value Through Other Comprehensive Income (Details) - CNY (¥) ¥ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Disclosure Of Fair Value Of Investments In Equity Instruments Designated As Measured At Fair Value Through Other Comprehensive Income [Line Items] | ||
| At beginning of the year | ¥ 26,231 | |
| Currency translation differences | (1,098) | ¥ (137) |
| At end of the year | 19,147 | |
| Equity Investments | ||
| Disclosure Of Fair Value Of Investments In Equity Instruments Designated As Measured At Fair Value Through Other Comprehensive Income [Line Items] | ||
| At beginning of the year | 26,231 | 14,498 |
| Addition | 0 | 8,257 |
| Business combination | 6 | 0 |
| Fair value change | (5,440) | 11,610 |
| Transfer (Note 14) | (954) | 0 |
| Currency translation differences | (696) | (111) |
| At end of the year | ¥ 19,147 | ¥ 34,254 |