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Accounts Receivable (Detail)
¥ in Millions, $ in Millions
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CNY (¥)
Dec. 31, 2019
CNY (¥)
Receivables [Abstract]            
Accounts receivable ¥ 14,287 $ 2,071 ¥ 12,050      
Allowance for credit losses (2,554) (370) (2,069) $ (300) ¥ (1,320) ¥ (928)
Accounts receivable, net ¥ 11,733 $ 1,701 ¥ 9,981