CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - CNY (¥) ¥ in Millions	1 Months Ended	12 Months Ended
Feb. 28, 2021	Feb. 29, 2020	Dec. 31, 2020
Statement of Cash Flows [Abstract]
Finite-lived intangible assets, cash consideration			¥ 1,000.0
First installment payment		¥ 516.0
Second installment payment	¥ 516.0

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

Name:	us-gaap_FinitelivedIntangibleAssetsAcquired1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration