v3.22.1

Investments - Summary of Classification of Long Term Held to Maturity Investments (Detail) - Long Term Investments ¥ in Millions, $ in Millions	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 CNY (¥)
Schedule of Held-to-maturity Securities [Line Items]
Cost or Amortized cost	¥ 7,914	$ 1,242	¥ 9,740
Corporate Debt Securities
Schedule of Held-to-maturity Securities [Line Items]
Cost or Amortized cost	7,914		9,740
Gross unrecognized holding gains	100		14
Fair value	¥ 8,014	$ 1,258	¥ 9,754

X

- Definition

Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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