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Document and Entity Information
Jan. 05, 2022
Cover [Abstract]  
Entity Registrant Name TERADATA CORP /DE/
Amendment Flag false
Entity Central Index Key 0000816761
Document Type 8-K
Document Period End Date Jan. 05, 2022
Entity File Number 001-33458
Entity Incorporation State Country Code DE
Entity Tax Identification Number 75-3236470
Entity Address, Address Line One 17095 Via Del Campo
Entity Address, City or Town San Diego
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92127
City Area Code (866)
Local Phone Number 548-8348
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $0.01 par value
Trading Symbol TDC
Security Exchange Name NYSE
Entity Emerging Growth Company false