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Leases (Details 3) - CNY (¥)
¥ in Millions
Dec. 31, 2022
Dec. 31, 2021
Leases    
2023 ¥ 7,885  
2024 5,322  
2025 3,417  
2026 2,278  
2027 1,633  
2028 and thereafter 5,298  
Total lease payments 25,833  
Less: interest (3,167)  
Present value of operating lease liabilities ¥ 22,666 ¥ 20,386