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PROPERTY AND EQUIPMENT, NET - Narrative (Details) - CNY (¥)
¥ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
PROPERTY AND EQUIPMENT, NET      
Depreciation expense ¥ 1,312 ¥ 1,352 ¥ 1,219