3.23.1 html 30 76 1 true 29 0 false 2 false false R1.htm 000000 - Document - Document and Entity Information {Elements} Sheet http://www.pioneerinvestments.com/role/DocumentDocumentandEntityInformationElements Document and Entity Information 1 false false R2.htm 000019 - Disclosure - Risk/Return Detail Data {Elements} - Pioneer Bond VCT Portfolio Sheet http://www.pioneerinvestments.com/role/DisclosureRiskReturnDetailDataElementsPioneerBondVCTPortfolio Risk/Return Detail Data- Pioneer Bond VCT Portfolio 2 false false R3.htm 000029 - Disclosure - Risk/Return Detail Data {Elements} - Pioneer Equity Income VCT Portfolio Sheet http://www.pioneerinvestments.com/role/DisclosureRiskReturnDetailDataElementsPioneerEquityIncomeVCTPortfolio Risk/Return Detail Data- Pioneer Equity Income VCT Portfolio 3 false false R4.htm 000039 - Disclosure - Risk/Return Detail Data {Elements} - Pioneer Fund VCT Portfolio Sheet http://www.pioneerinvestments.com/role/DisclosureRiskReturnDetailDataElementsPioneerFundVCTPortfolio Risk/Return Detail Data- Pioneer Fund VCT Portfolio 4 false false R5.htm 000049 - Disclosure - Risk/Return Detail Data {Elements} - Pioneer High Yield VCT Portfolio Sheet http://www.pioneerinvestments.com/role/DisclosureRiskReturnDetailDataElementsPioneerHighYieldVCTPortfolio Risk/Return Detail Data- Pioneer High Yield VCT Portfolio 5 false false R6.htm 000059 - Disclosure - Risk/Return Detail Data {Elements} - Pioneer Mid Cap Value VCT Portfolio Sheet http://www.pioneerinvestments.com/role/DisclosureRiskReturnDetailDataElementsPioneerMidCapValueVCTPortfolio Risk/Return Detail Data- Pioneer Mid Cap Value VCT Portfolio 6 false false R7.htm 000069 - Disclosure - Risk/Return Detail Data {Elements} - Pioneer Select Mid Cap Growth VCT Portfolio Sheet http://www.pioneerinvestments.com/role/DisclosureRiskReturnDetailDataElementsPioneerSelectMidCapGrowthVCTPortfolio Risk/Return Detail Data- Pioneer Select Mid Cap Growth VCT Portfolio 7 false false R8.htm 000079 - Disclosure - Risk/Return Detail Data {Elements} - Pioneer Strategic Income VCT Portfolio Sheet http://www.pioneerinvestments.com/role/DisclosureRiskReturnDetailDataElementsPioneerStrategicIncomeVCTPortfolio Risk/Return Detail Data- Pioneer Strategic Income VCT Portfolio 8 false false R9.htm 040000 - Disclosure - Risk/Return Detail Data {Elements} Sheet http://xbrl.sec.gov/rr/role/RiskReturnDetailData Risk/Return Detail Data 9 false false All Reports Book All Reports [dq-0542-Deprecated-Concept] Concept RiskNarrativeTextBlock in rr/2021 used in 7 facts was deprecated in rr/2023 as of 2023-01-31 and should not be used. d486746d485bpos.htm 82, 536, 940, 1356, 1803, 2207, 2466 [dq-0542-Deprecated-Concept] Concept RiskLoseMoney in rr/2021 used in 7 facts was deprecated in rr/2023 as of 2023-01-31 and should not be used. d486746d485bpos.htm 82, 536, 940, 1356, 1803, 2207, 2466 [dq-0542-Deprecated-Concept] Concept RiskNotInsuredDepositoryInstitution in rr/2021 used in 7 facts was deprecated in rr/2023 as of 2023-01-31 and should not be used. d486746d485bpos.htm 82, 536, 940, 1356, 1803, 2207, 2466 [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 64 fact(s) appearing in ix:hidden were eligible for transformation: rr:ExpenseExampleNoRedemptionByYearCaption, rr:ExpenseExampleNoRedemptionYear01, rr:ExpenseExampleNoRedemptionYear03, rr:ExpenseExampleNoRedemptionYear05, rr:ExpenseExampleNoRedemptionYear10, rr:ProspectusDate - d486746d485bpos.htm 9 [ix-0514-Hidden-Fact-Not-Referenced] WARN: 1 fact(s) appearing in ix:hidden were not referenced by any -sec-ix-hidden style property: rr:AverageAnnualReturnInceptionDate - d486746d485bpos.htm 9 d486746d485bpos.htm d486746dex99.htm d486746dex99g2.htm d486746dex99h2.htm d486746dex99h4.htm d486746dex99h6.htm d486746dex99h7.htm d486746dex99j.htm d486746dex99p.htm pvct-20230426.xsd pvct-20230426_cal.xml pvct-20230426_def.xml pvct-20230426_lab.xml pvct-20230426_pre.xml g486746covers_amundipioneer2.jpg g486746img317e990b1.jpg g486746img3c30f9d31.jpg g486746img7e47926c1.jpg g486746img9ea4784c1.jpg g486746imgb70362081.jpg g486746imgd3c4ec731.jpg g486746imgef6bd8351.jpg g486746vctbondc1_17.jpg g486746vcteqincc1_16.jpg g486746vcthyyldc1_18.jpg g486746vctmidcapvaluec1_17.jpg g486746vctpfundc1_17.jpg g486746vctsmcgc1_17.jpg g486746vctstratincomec1_18.jpg http://xbrl.sec.gov/dei/2021 http://xbrl.sec.gov/rr/2021 true true