XML 56 R39.htm IDEA: XBRL DOCUMENT
v3.25.1

Contract Costs - Activity Related to Capitalized Contract Cost (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Capitalized Contract Cost, Net [Roll Forward] |  |
Capitalized contract cost, net at period start | $ 46 | $ 68
Capitalized | 0 | 0
Amortization | (6) | (9)
Capitalized contract cost, net at period end | $ 40 | $ 59

X
- Definition Capitalized Contract Cost, Capitalized Amount + References No definition available. + Details
Name: | tdc_CapitalizedContractCostCapitalizedAmount
Namespace Prefix: | tdc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Capitalized Contract Cost, Net [Roll Forward] + References No definition available. + Details
Name: | tdc_CapitalizedContractCostNetRollForward
Namespace Prefix: | tdc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
Name: | us-gaap_CapitalizedContractCostAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
Name: | us-gaap_CapitalizedContractCostNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant