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Shareholders' Equity (Detail)
¥ in Millions, $ in Millions
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Retained Earnings (Accumulated Deficit) [Abstract]      
PRC statutory reserve funds ¥ 1,567 $ 221 ¥ 1,218
Unreserved retained earnings 159,673 22,489 147,123
Total retained earnings ¥ 161,240 $ 22,710 ¥ 148,341