XML 57 R29.htm IDEA: XBRL DOCUMENT v3.20.1

Revenue from Contracts with Customers - Disaggregation of Revenue from Contracts with Customers (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 434	$ 468
Americas
Disaggregation of Revenue [Line Items]
Revenue	244	269
EMEA
Disaggregation of Revenue [Line Items]
Revenue	118	113
APAC
Disaggregation of Revenue [Line Items]
Revenue	72	86
Recurring
Disaggregation of Revenue [Line Items]
Revenue	345	331
Recurring | Americas
Disaggregation of Revenue [Line Items]
Revenue	214	213
Recurring | EMEA
Disaggregation of Revenue [Line Items]
Revenue	84	73
Recurring | APAC
Disaggregation of Revenue [Line Items]
Revenue	47	45
Perpetual software licenses and hardware
Disaggregation of Revenue [Line Items]
Revenue	14	31
Perpetual software licenses and hardware | Americas
Disaggregation of Revenue [Line Items]
Revenue	4	19
Perpetual software licenses and hardware | EMEA
Disaggregation of Revenue [Line Items]
Revenue	9	7
Perpetual software licenses and hardware | APAC
Disaggregation of Revenue [Line Items]
Revenue	1	5
Consulting services | Americas
Disaggregation of Revenue [Line Items]
Revenue	26	37
Consulting services | EMEA
Disaggregation of Revenue [Line Items]
Revenue	25	33
Consulting services | APAC
Disaggregation of Revenue [Line Items]
Revenue	$ 24	$ 36

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

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	srt_StatementGeographicalAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=us-gaap_EMEAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=srt_AsiaPacificMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=tdc_SubscriptionsRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=tdc_SoftwareandHardwarePerpetualRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=tdc_ConsultingRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: