XML 111 R91.htm IDEA: XBRL DOCUMENT v3.19.1

Commitments and Contingencies (Detail Textuals) - Advertising Placements Cooperation Master Agreement (the "Agreement") - Chi Zhong Advertising Company Ltd. ("Chi Zhong") ¥ in Millions	12 Months Ended
	Dec. 31, 2018 CNY (¥)
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Payments for advertising services	¥ 60
November 2018
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Payments for advertising services	30
Payable in July 2019
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Payments for advertising services	¥ 30

X

- Definition

Represents payments for advertising services.

+ References

No definition available.

+ Details

Name:	tc_PaymentsForAdvertisingServices
Namespace Prefix:	tc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=tc_AdvertisingPlacementsCooperationMasterAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=tc_ChiZhongAdvertisingCompanyLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	tc_PaymentsPeriodAxis=tc_November2018Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	tc_PaymentsPeriodAxis=tc_PayableInJuly2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: