v3.26.1
Organization and Principal Activities - Principal subsidiaries of Vies and Equity investees (Detail)
12 Months Ended
Dec. 31, 2025
[1]
Forward Vision  
Variable Interest Entity [Line Items]  
Percentage of ownership 100.00%
Beijing Security  
Variable Interest Entity [Line Items]  
Percentage of ownership 100.00%
Conew Network  
Variable Interest Entity [Line Items]  
Percentage of ownership 100.00%
HK Zoom  
Variable Interest Entity [Line Items]  
Percentage of ownership 100.00%
Cheetah Information  
Variable Interest Entity [Line Items]  
Percentage of ownership 100.00%
Dream Ahead  
Variable Interest Entity [Line Items]  
Percentage of ownership 100.00%
Beijing Kingsoft Cheetah Technology  
Variable Interest Entity [Line Items]  
Percentage of ownership 100.00%
Jingdezhen Jibao Information  
Variable Interest Entity [Line Items]  
Percentage of ownership 100.00%
Kingsoft Japan  
Variable Interest Entity [Line Items]  
Percentage of ownership 57.70%
Zhuhai Baoqu Technology  
Variable Interest Entity [Line Items]  
Percentage of ownership 75.40%
Zhuhai Baobaohong Technology Co., Ltd  
Variable Interest Entity [Line Items]  
Percentage of ownership 75.40%
Zhuhai Baohaowan Technology Co., Ltd.  
Variable Interest Entity [Line Items]  
Percentage of ownership 75.40%
Beijing Orion Star Technology Co.,Ltd.  
Variable Interest Entity [Line Items]  
Percentage of ownership 74.00%
Hongkong Cheetah Mobile Technology Limited  
Variable Interest Entity [Line Items]  
Percentage of ownership 100.00%
Conew.com Corporation  
Variable Interest Entity [Line Items]  
Percentage of ownership 100.00%
Cheetah Intelligence Inc.  
Variable Interest Entity [Line Items]  
Percentage of ownership 75.40%
Cheetah Intelligence Hong Kong Limited  
Variable Interest Entity [Line Items]  
Percentage of ownership 75.40%
Zhuhai Juntian Electronic Technology Co., Ltd.  
Variable Interest Entity [Line Items]  
Percentage of ownership 100.00%
BC Wave Lab Inc.  
Variable Interest Entity [Line Items]  
Percentage of ownership 80.00%
Marshotspot Limited  
Variable Interest Entity [Line Items]  
Percentage of ownership 80.00%
BC WAVE LAB PTE. LTD  
Variable Interest Entity [Line Items]  
Percentage of ownership 80.00%
Beijing Mars Hostspot Technology Co., Ltd.  
Variable Interest Entity [Line Items]  
Percentage of ownership 80.00%
Jiujiang Orion Star Intelligent Technology Co., Ltd.  
Variable Interest Entity [Line Items]  
Percentage of ownership 74.00%
Beijing Mobile  
Variable Interest Entity [Line Items]  
Percentage of ownership 0.00%
Beijing Cheetah Network Technology Co Ltd.  
Variable Interest Entity [Line Items]  
Percentage of ownership 0.00%
Zhuhai Hainiao Technology Co., Ltd.  
Variable Interest Entity [Line Items]  
Percentage of ownership 0.00% [2]
[1] Percentage of ownership is calculated on fully diluted basis.
[2] Zhuhai Hainiao Technology Co. Ltd ("Zhuhai Hainiao") restructured as a subsidiary of Zhuhai Baobaohong Technology Co., Ltd. in February 2026.