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Leases - Disclosure Of Quantitative Information About Right Of Use Assets (Detail) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of quantitative information about right-of-use assets [line items]      
Opening net book amount ¥ 804,990    
Depreciation charge (578,014) ¥ (608,889) ¥ (604,018)
Closing net book amount 754,010 804,990  
Right-of-use assets [member]      
Disclosure of quantitative information about right-of-use assets [line items]      
Opening net book amount 804,990 973,547 914,960
Additions 589,488 501,663 697,403
Early termination (62,454) (61,331) (34,798)
Depreciation charge (578,014) (608,889) (604,018)
Closing net book amount 754,010 804,990 973,547
Cost [member] | Right-of-use assets [member]      
Disclosure of quantitative information about right-of-use assets [line items]      
Opening net book amount 1,500,951 1,810,222  
Closing net book amount   1,500,951 1,810,222
Accumulated depreciation | Right-of-use assets [member]      
Disclosure of quantitative information about right-of-use assets [line items]      
Opening net book amount ¥ (746,941) (1,005,232)  
Closing net book amount   ¥ (746,941) ¥ (1,005,232)