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Investments in Subsidiaries - Assets and Liabilities and Cash Flow Effect of Disposal of Subsidiaries (Parenthetical) (Detail) - 12 months ended Dec. 31, 2023 ¥ in Millions, $ in Millions	CNY (¥)	USD ($)
Disclosure of subsidiaries [abstract]
Partial Consideration On Disposal Of Subsidiary	¥ 179.9	$ 25.3

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- Definition

Partial consideration on disposal of subsidiary.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

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