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Financial Assets At Amortized Cost - Disclosure Of Financial Assets At Amortized Cost (Parenthetical) (Detail) - CNY (¥)
¥ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Detailed Information About Financial assets at amortized costs [Abstract]    
financial assets at amortized cost past due ¥ 2,000 ¥ 1,795
Impairment loss recognized in the current period ¥ 565 ¥ 300