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CONSOLIDATED BALANCE SHEETS (Parenthetical) ¥ in Millions	Dec. 31, 2020 CNY (¥) shares	Dec. 31, 2019 CNY (¥) shares
CONSOLIDATED BALANCE SHEETS
Accounts receivable, allowance | ¥	¥ 41	¥ 17
Ordinary shares, shares authorized	8,023,485,450	8,023,485,450
Ordinary shares, shares issued	324,364,444	299,424,485
Ordinary shares, shares outstanding	310,842,568	285,902,609
Treasury shares, shares	3,096,764	3,096,764

X

- Definition

Amount of allowance for credit loss on accounts receivable, classified as current.

+ References

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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X

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Number of previously issued common shares repurchased by the issuing entity and held in treasury.

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