v3.26.1
Loss Per Share (Detail)
¥ / shares in Units, $ / shares in Units, ¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
¥ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
CNY (¥)
¥ / shares
shares
Dec. 31, 2023
CNY (¥)
¥ / shares
shares
Dec. 31, 2022
shares
Numerator:          
Net loss attributable to Cheetah Mobile Inc. ¥ (257,713) $ (36,851) ¥ (617,557) ¥ (602,898)  
Effect arising from dividends declared on share awards of consolidated subsidiaries | ¥     156 (107)  
Accretion of redeemable noncontrolling interests | ¥ ¥ (7,835)   (7,997)    
Net loss attributable to Cheetah Mobile Inc. after accretion of redeemable noncontrolling interests and dilution effect arising from share-based awards issued by subsidiaries | ¥     ¥ (625,398) ¥ (603,005)  
Denominator:          
Weighted average number of ordinary shares outstanding 1,533,473,068 1,533,473,068 1,503,054,847 1,472,615,281  
Losses per share-basic | ¥ / shares     ¥ (0.4161) ¥ (0.4095)  
Weighted Average Number of Shares Outstanding, Basic 1,533,473,068 1,533,473,068 1,503,054,847 1,472,615,281  
Weighted Average Number of Shares Outstanding, Diluted 1,533,473,068 1,533,473,068 1,503,054,847 1,472,615,281  
Losses per share-diluted | ¥ / shares     ¥ (0.4162) ¥ (0.41)  
Numerator:          
Net loss attributable to Cheetah Mobile Inc. after accretion of redeemable noncontrolling interests and dilution effect arising from share-based awards issued by subsidiaries | ¥     ¥ (625,398) ¥ (603,005)  
Dilution effect arising from share-based awards issued by subsidiaries | ¥     (164) (699)  
Net loss attributable to ordinary shareholders | ¥     ¥ (625,562) ¥ (603,704)  
ADS          
Denominator:          
Weighted average number of ordinary shares outstanding     30,061,097 29,452,306  
Losses per share-basic | ¥ / shares     ¥ (20.8042) ¥ (20.474)  
Weighted Average Number of Shares Outstanding, Basic     30,061,097 29,452,306  
Weighted Average Number of Shares Outstanding, Diluted     30,061,097   29,452,306
Losses per share-diluted | ¥ / shares     ¥ (20.8097) ¥ (20.4977)  
Common Class A [Member]          
Numerator:          
Net loss attributable to Cheetah Mobile Inc. ¥ (84,749) $ (12,119)      
Effect arising from dividends declared on share awards of consolidated subsidiaries (1,150) (164)      
Accretion of redeemable noncontrolling interests (2,577) (369)      
Net loss attributable to Cheetah Mobile Inc. after accretion of redeemable noncontrolling interests and dilution effect arising from share-based awards issued by subsidiaries ¥ (88,476) $ (12,652)      
Denominator:          
Weighted average number of ordinary shares outstanding 504,283,545 504,283,545      
Losses per share-basic | (per share) ¥ (0.1754) $ (0.0251)      
Weighted Average Number of Shares Outstanding, Basic 504,283,545 504,283,545      
Conversion of Class B into Class A ordinary shares 1,029,189,523 1,029,189,523      
Weighted Average Number of Shares Outstanding, Diluted 1,533,473,068 1,533,473,068      
Losses per share-diluted | (per share) ¥ (0.1764) $ (0.0252)      
Numerator:          
Net loss attributable to Cheetah Mobile Inc. after accretion of redeemable noncontrolling interests and dilution effect arising from share-based awards issued by subsidiaries ¥ (88,476) $ (12,652)      
Dilution effect arising from share-based awards issued by subsidiaries (465) (66)      
Reallocation of net loss as a result of conversion of Class B into Class A ordinary shares (181,518) (25,956)      
Net loss attributable to ordinary shareholders ¥ (270,459) $ (38,674)      
Common Class A [Member] | ADS          
Denominator:          
Weighted average number of ordinary shares outstanding 30,669,461 30,669,461      
Losses per share-basic | (per share) ¥ (8.7724) $ (1.255)      
Weighted Average Number of Shares Outstanding, Basic 30,669,461 30,669,461      
Weighted Average Number of Shares Outstanding, Diluted 30,669,461 30,669,461      
Losses per share-diluted | (per share) ¥ (8.8185) $ (1.26)      
Common Class B [Member]          
Numerator:          
Net loss attributable to Cheetah Mobile Inc. ¥ (172,964) $ (24,732)      
Effect arising from dividends declared on share awards of consolidated subsidiaries (2,347) (336)      
Accretion of redeemable noncontrolling interests (5,258) (752)      
Net loss attributable to Cheetah Mobile Inc. after accretion of redeemable noncontrolling interests and dilution effect arising from share-based awards issued by subsidiaries ¥ (180,569) $ (25,820)      
Denominator:          
Weighted average number of ordinary shares outstanding 1,029,189,523 1,029,189,523      
Losses per share-basic | (per share) ¥ (0.1754) $ (0.0251)      
Weighted Average Number of Shares Outstanding, Basic 1,029,189,523 1,029,189,523      
Weighted Average Number of Shares Outstanding, Diluted 1,029,189,523 1,029,189,523      
Losses per share-diluted | (per share) ¥ (0.1764) $ (0.0252)      
Numerator:          
Net loss attributable to Cheetah Mobile Inc. after accretion of redeemable noncontrolling interests and dilution effect arising from share-based awards issued by subsidiaries ¥ (180,569) $ (25,820)      
Dilution effect arising from share-based awards issued by subsidiaries (949) (136)      
Net loss attributable to ordinary shareholders ¥ (181,518) $ (25,956)