XML 142 R109.htm IDEA: XBRL DOCUMENT
v3.21.1

Restricted Net Assets (Details) - CNY (¥) ¥ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Restricted Net Assets |  |
Percentage of funds kept aside for payment of dividends | 10.00% |
Net assets transfer restricted portion | ¥ 212.5 | ¥ 183.0

X
- Definition Represent the net assets transfer restricted portion in the form of dividends, loans or advances. + References No definition available. + Details
Name: | tc_NetAssetsTransferRestrictedPortion
Namespace Prefix: | tc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of general reserve fund and the statutory surplus fund kept aside for payment of dividends. + References No definition available. + Details
Name: | tc_PercentageOfFundsKeptAsideForPaymentOfDividends
Namespace Prefix: | tc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | tc_RestrictedAssetsNetAbstract
Namespace Prefix: | tc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration