v3.22.1

Summary Of Estimated Fair Value Of Available-For-Sale Debt Investments (Detail) ¥ in Millions, $ in Millions	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 CNY (¥)
Investments, Debt and Equity Securities [Abstract]
Due in 1 year	¥ 0	$ 0	¥ 0
Due in 1 year through 5 years	1,685	264	1,587
Not due at a single maturity date	577	91	1,020
Total	¥ 2,262	$ 355	¥ 2,607

X

- Definition

Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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