Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Consolidated Statements of Comprehensive Income (Loss) (Parenthetical)

v3.22.1
Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - CNY (¥)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Statement [Abstract]      
Income tax on foreign currency translation adjustment ¥ 0 ¥ 0 ¥ 0