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Deferred Revenue (Details) - CNY (¥) ¥ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Amount of revenues recognized included in the deferred revenue	¥ 10,513.0	¥ 8,149.2
Transaction price allocated to unsatisfied performance obligations	12,407.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligation recognized as revenue	¥ 12,132.7
Expected timing of performance obligation recognized as revenue (in months)	12 months

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- Definition

Amount of revenue recognized arising from contract liability from change in timeframe for performance obligation to be satisfied.

+ References

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-Publisher FASB
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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

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-Publisher FASB
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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

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-Publisher FASB
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-SubTopic 10
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+ References

No definition available.

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Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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