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Share-based Compensation (Details 5) ¥ in Thousands	12 Months Ended
	Dec. 31, 2020 CNY (¥) installment	Dec. 31, 2019 CNY (¥)	Dec. 31, 2018 CNY (¥)
Share based Compensation
Compensation expenses | ¥	¥ 2,663,489	¥ 2,404,089	¥ 2,471,731
Unrecognized share based compensation expenses relating to share options | ¥	170,000
Stock Options
Share based Compensation
Compensation expenses | ¥	¥ 117,700	¥ 56,200	¥ 32,000
Certain subsidiaries | Stock Options | Vesting option I
Share based Compensation
Percentage of vesting of equity awards on the predefined Vesting Commencement Date	100.00%
Certain subsidiaries | Stock Options | Vesting option II
Share based Compensation
Number of equal installments of vesting of equity awards from the predefined Vesting Commencement Date	2
Certain subsidiaries | Stock Options | Vesting option III
Share based Compensation
Number of equal installments of vesting of equity awards from the predefined Vesting Commencement Date	3
Certain subsidiaries | Stock Options | Vesting option IV
Share based Compensation
Number of equal installments of vesting of equity awards from the predefined Vesting Commencement Date	4
Certain subsidiaries | Stock Options | Vesting option V
Share based Compensation
Number of equal installments of vesting of equity awards from the predefined Vesting Commencement Date	5
Certain subsidiaries | Equal to or more than | Stock Options
Share based Compensation
Expiration period	5 years
Certain subsidiaries | Less than | Stock Options
Share based Compensation
Expiration period	10 years

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- Definition

Represents the percentage of vesting of share-based compensation awards on the predefined Vesting Commencement Date.

+ References

No definition available.

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Represents the number of equal installments of vesting of share-based compensation awards from the predefined Vesting Commencement Date.

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Amount of cost to be recognized for option under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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