XML 105 R72.htm IDEA: XBRL DOCUMENT
v3.21.1

Property, equipment and software, net - Additional information (Details) - CNY (¥) ¥ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Property, equipment and software, net |  |  |
Depreciation expenses of property, equipment and software | ¥ 3.0 | ¥ 3.8 | ¥ 1.1
Estimated depreciation expenses for 2021 | 2.9 |  |
Estimated depreciation expenses for 2022 | 1.9 |  |
Estimated depreciation expenses for 2023 | 0.7 |  |
Estimated depreciation expenses for 2024 | 0.1 |  |
Estimated depreciation expenses for 2025 | ¥ 0.0 |  |

X
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References No definition available. + Details
Name: | tc_DepreciationExpenses
Namespace Prefix: | tc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of Finite Lived Intangible Assets Depreciation Expense Next Twelve Months. + References No definition available. + Details
Name: | tc_FiniteLivedIntangibleAssetsDepreciationExpenseNextTwelveMonths
Namespace Prefix: | tc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of Finite Lived Intangible Assets Depreciation Expense Next Two Year. + References No definition available. + Details
Name: | tc_FiniteLivedIntangibleAssetsDepreciationExpenseNextTwoYear
Namespace Prefix: | tc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of Finite Lived Intangible Assets Depreciation Expense Year Five. + References No definition available. + Details
Name: | tc_FiniteLivedIntangibleAssetsDepreciationExpenseYearFive
Namespace Prefix: | tc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amout of Finite Lived Intangible Assets Depreciation Expense Year Four. + References No definition available. + Details
Name: | tc_FiniteLivedIntangibleAssetsDepreciationExpenseYearFour
Namespace Prefix: | tc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of Finite Lived Intangible Assets Depreciation Expense Year Three. + References No definition available. + Details
Name: | tc_FiniteLivedIntangibleAssetsDepreciationExpenseYearThree
Namespace Prefix: | tc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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