LEASES - Supplemental cash flow information related to leases (Details) - CNY (¥) ¥ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Supplemental disclosure of cash flow information: | ||
| Cash paid for amounts included in the measurement of operating lease liabilities | ¥ 2,108 | ¥ 2,255 |
| Cash paid for amounts included in the measurement of finance lease liabilities | 92 | 84 |
| Non-cash right-of-use assets obtained in exchange for operating lease liabilities | ¥ 406 | ¥ 1,566 |