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Finite-Lived Intangible Assets (Detail)
¥ in Millions, $ in Millions
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, gross carrying value ¥ 4,089   ¥ 4,042
Finite lived intangible assets accumulated impairment (700)   (718)
Finite-lived intangible assets, accumulated amortization (2,617)   (2,443)
Finite-lived intangible assets, net carrying value 772 $ 106 881
Trademarks      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, gross carrying value 966   966
Finite lived intangible assets accumulated impairment (238)   (238)
Finite-lived intangible assets, accumulated amortization (445)   (386)
Finite-lived intangible assets, net carrying value 283 39 342
Technology      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, gross carrying value 1,062   1,062
Finite lived intangible assets accumulated impairment (79)   (79)
Finite-lived intangible assets, accumulated amortization (911)   (791)
Finite-lived intangible assets, net carrying value 72 10 192
Intellectual property right      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, gross carrying value 1,572   1,568
Finite lived intangible assets accumulated impairment (364)   (381)
Finite-lived intangible assets, accumulated amortization (930)   (931)
Finite-lived intangible assets, net carrying value 278 38 256
Others      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, gross carrying value 489   446
Finite lived intangible assets accumulated impairment (19)   (20)
Finite-lived intangible assets, accumulated amortization (331)   (335)
Finite-lived intangible assets, net carrying value ¥ 139 $ 19 ¥ 91