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Accounts and Other Receivables and Contract Assets - Summary of Detailed Information About Movements In Provision for Impairment Losses (Detail) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of financial assets [abstract]      
At the beginning of the year ¥ 688,378 ¥ 401,626 ¥ 252,324
Impairment loss recognized in the consolidated statement of comprehensive income 991,903 1,499,344 794,116
Written off during the year (1,083,618) (1,283,858) (839,243)
Recovery of receivables written off previously 34,185 71,266 194,429
At the end of the year ¥ 630,848 ¥ 688,378 ¥ 401,626