2.4.0.8030000 - Document - Risk/Return Detail {Unlabeled}falsefalsetrue1false falsefalsechttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:001false 2rr_RiskReturnDetailTableTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display: none">~ http://xbrl.sec.gov/rr/role/RiskReturnDetailData column period compact * row dei_DocumentInformationDocumentAxis compact * row dei_LegalEntityAxis compact * row rr_ProspectusShareClassAxis compact * row rr_PerformanceMeasureAxis compact * row primary compact * ~</div>falsefalse<div style="display: none">~ http://xbrl.sec.gov/rr/role/RiskReturnDetailData column period compact * row dei_DocumentInformationDocumentAxis compact * row dei_LegalEntityAxis compact * row rr_ProspectusShareClassAxis compact * row rr_PerformanceMeasureAxis compact * row primary compact * ~</div>falsehttp://xbrl.sec.gov/rr/role/RiskReturnDetailData2.4.0.8040000 - Disclosure - Risk/Return Detail Data {Elements}truetruefalse1false falsefalsechttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:001true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:2false 2dei_DocumentTypedei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Otherfalsefalsefalseus-types:SECReportItemTypenaThe type of document being provided (such as 10-K, 10-Q, N-1A, etc). The document type should be limited to the same value as the supporting SEC submission type. The acceptable values are as follows: S-1, S-3, S-4, S-11, F-1, F-3, F-4, F-9, F-10, 6-K, 8-K, 10, 10-K, 10-Q, 20-F, 40-F, N-1A, 485BPOS, NCSR, N-Q, and Other.No definition available.false0Document Type3false 2dei_DocumentPeriodEndDatedei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse002012-12-31falsefalsetruexbrli:dateItemTypedateThe end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements this will be the filing date. The format of the date is CCYY-MM-DD.No definition available.false0Document Period End Date4false 2dei_EntityRegistrantNamedei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00JOHN HANCOCK VARIABLE INSURANCE TRUSTfalsefalsefalsexbrli:normalizedStringItemTypenormalizedstringThe exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12b -Subsection 1 false0Registrant Name5false 2dei_EntityCentralIndexKeydei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse000000756913falsefalsefalseus-types:centralIndexKeyItemTypenaA unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12b -Subsection 1 false0Central Index Key6false 2dei_AmendmentFlagdei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsexbrli:booleanItemTypenaIf the value is true, then the document as an amendment to previously-filed/accepted document.No definition available.false0Amendment Flag7false 2dei_DocumentCreationDatedei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse002013-07-08falsefalsetruexbrli:dateItemTypedateThe date the document was made available and submitted, in CCYY-MM-DD format. The date of submission, date of acceptance by the recipient, and the document effective date are all potentially different.No definition available.false0Document Creation Date8false 2dei_DocumentEffectiveDatedei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse002013-07-08falsefalsetruexbrli:dateItemTypedateThe date when a document, upon receipt and acceptance, becomes officially effective, in CCYY-MM-DD format. Usually it is a system-assigned date time value, but it may be declared by the submitter in some cases.No definition available.false0Document Effective Date9false 2rr_ProspectusDaterr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse002013-04-29falsefalsetruexbrli:dateItemTypedateThe date of the prospectus.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 1 -Paragraph 3 -Subsection a false0Prospectus Date10false 2jhvit_SupplementTextBlock_04jhvit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 John Hancock Variable Insurance Trust Supplement dated July 8, 2013 to the Prospectus dated April 29, 2013     500 Index Trust B   The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:   <table cellspacing="0" cellpadding="0" style="width: 100%; font: 8pt Arial, Helvetica, Sans-Serif; border-collapse: collapse"> <tr style="vertical-align: top"> <td style="width: 20%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">   </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 1 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 3 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 5 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 10 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series I </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $31 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $149 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $278 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $654 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series II </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $51 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $212 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $388 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $896 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series NAV </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $26 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $133 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $250 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $593 </td> </tr> </table>   Global Trust   The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:   <table cellspacing="0" cellpadding="0" style="width: 100%; font: 8pt Arial, Helvetica, Sans-Serif; border-collapse: collapse"> <tr style="vertical-align: top"> <td style="width: 20%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">   </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 1 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 3 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 5 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 10 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series I </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $97 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $305 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $530 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,177 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series II </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $117 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $367 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $637 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,408 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series NAV </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $92 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $289 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $503 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,119 </td> </tr> </table>   International Equity Index Trust B   The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:   <table cellspacing="0" cellpadding="0" style="width: 100%; font: 8pt Arial, Helvetica, Sans-Serif; border-collapse: collapse"> <tr style="vertical-align: top"> <td style="width: 20%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">   </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 1 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 3 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 5 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 10 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series I </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $40 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $180 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $332 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $775 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series II </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $60 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $243 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $441 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,014 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series NAV </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $35 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $164 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $304 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $714 </td> </tr> </table>   Lifestyle Conservative PS Series   The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:   <table cellspacing="0" cellpadding="0" style="width: 100%; font: 8pt Arial, Helvetica, Sans-Serif; border-collapse: collapse"> <tr style="vertical-align: top"> <td style="width: 20%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">   </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 1 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 3 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 5 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 10 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series I </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $91 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $295 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $515 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,150 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series II </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $111 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $357 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $623 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,382 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series NAV </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $86 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $279 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $488 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,091 </td> </tr> </table>   Lifestyle Moderate PS Series   The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:   <table cellspacing="0" cellpadding="0" style="width: 100%; font: 8pt Arial, Helvetica, Sans-Serif; border-collapse: collapse"> <tr style="vertical-align: top"> <td style="width: 20%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">   </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 1 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 3 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 5 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 10 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series I </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $94 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $295 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $514 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,142 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series II </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $114 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $358 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $621 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,374 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series NAV </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $89 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $280 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $487 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,083 </td> </tr> </table>    <div style="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1pt solid"> <table cellpadding="0" cellspacing="0" style="width: 100%; font-size: 10pt"> <tr> <td style="text-align: center; width: 100%"> </td> </tr> </table> </div> <div style="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"> <table cellpadding="0" cellspacing="0" style="width: 100%"> <tr> <td style="text-align: center; width: 100%"> </td> </tr> </table> </div>  Mid Cap Index Trust   The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:   <table cellspacing="0" cellpadding="0" style="width: 100%; font: 8pt Arial, Helvetica, Sans-Serif; border-collapse: collapse"> <tr style="vertical-align: top"> <td style="width: 20%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">   </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 1 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 3 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 5 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 10 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series I </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $47 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $169 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $303 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $692 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series II </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $67 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $233 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $413 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $933 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series NAV </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $42 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $153 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $275 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $631 </td> </tr> </table>   Money Market Trust B   The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:   <table cellspacing="0" cellpadding="0" style="width: 100%; font: 8pt Arial, Helvetica, Sans-Serif; border-collapse: collapse"> <tr style="vertical-align: top"> <td style="width: 20%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">   </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 1 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 3 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 5 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 10 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left"> Series NAV </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $29 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $145 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $271 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $641 </td> </tr> </table>   Small Cap Index Trust   The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:   <table cellspacing="0" cellpadding="0" style="width: 100%; font: 8pt Arial, Helvetica, Sans-Serif; border-collapse: collapse"> <tr style="vertical-align: top"> <td style="width: 20%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">   </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 1 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 3 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 5 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 10 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series I </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $60 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $200 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $352 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $794 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series II </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $81 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $263 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $461 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,033 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series NAV </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $55 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $184 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $324 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $733 </td> </tr> </table>   Small Cap Opportunities Trust   The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:   <table cellspacing="0" cellpadding="0" style="width: 100%; font: 8pt Arial, Helvetica, Sans-Serif; border-collapse: collapse"> <tr style="vertical-align: top"> <td style="width: 20%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">   </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 1 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 3 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 5 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 10 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series I </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $109 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $360 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $630 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,401 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series II </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $129 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $422 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $736 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,627 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series NAV </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $104 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $344 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $603 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,344 </td> </tr> </table>   Smaller Company Growth Trust   The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:   <table cellspacing="0" cellpadding="0" style="width: 100%; font: 8pt Arial, Helvetica, Sans-Serif; border-collapse: collapse"> <tr style="vertical-align: top"> <td style="width: 20%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">   </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 1 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 3 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 5 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 10 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series I </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $106 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $361 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $636 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,419 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series II </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $126 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $423 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $742 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,645 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series NAV </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $101 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $345 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $609 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $1,362 </td> </tr> </table>   Total Bond Market Trust B   The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:   <table cellspacing="0" cellpadding="0" style="width: 100%; font: 8pt Arial, Helvetica, Sans-Serif; border-collapse: collapse"> <tr style="vertical-align: top"> <td style="width: 20%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">   </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 1 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 3 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 5 </td> <td style="width: 20%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> Year 10 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series I </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $31 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $153 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $287 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $677 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series II </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $51 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $217 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $397 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $918 </td> </tr> <tr style="vertical-align: top"> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"> Series NAV </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $26 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $137 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $259 </td> <td style="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"> $615 </td> </tr> </table>   falsefalsefalseus-types:textBlockItemTypestringNo authoritative reference available.No definition available.false0Supplement -- [Text Block]11false 2jhvit_SupplementTextBlock_03jhvit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 John Hancock Variable Insurance Trust Supplement dated July 8, 2013 to the Prospectus dated April 29, 2013falsefalsefalseus-types:textBlockItemTypestringNo authoritative reference available.No definition available.false0Supplement - [Text Block]12false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2false truefalsec_S000008219_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008219Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008219Memberdei_LegalEntityAxisexplicitMembernanafalse0John Hancock Funds II | (500 Index Trust B)13true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:14false 2jhvit_SupplementTextBlock_05jhvit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:falsefalsefalseus-types:textBlockItemTypestringNo authoritative reference available.No definition available.false0Expense Example Narrative Supplement - [Text Block]15false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse3false USDtruefalse$c_S000008219_C000117967_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008219Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008219Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000117967Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000117967Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (500 Index Trust B) | Series I16true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:17false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue3131USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year18false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue149149USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years19false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue278278USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years20false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue654654USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years21false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse4false USDtruefalse$c_S000008219_C000117968_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008219Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008219Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000117968Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000117968Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (500 Index Trust B) | Series II22true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:23false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue5151USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year24false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue212212USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years25false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue388388USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years26false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue896896USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years27false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse5false USDtruefalse$c_S000008219_C000022362_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008219Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008219Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022362Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022362Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (500 Index Trust B) | Series NAV28true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:29false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue2626USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year30false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue133133USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years31false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue250250USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years32false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue593593USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years33false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse6false truefalsec_S000008231_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008231Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008231Memberdei_LegalEntityAxisexplicitMembernanafalse0John Hancock Funds II | (Global Trust)34true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:35false 2jhvit_SupplementTextBlock_05jhvit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:falsefalsefalseus-types:textBlockItemTypestringNo authoritative reference available.No definition available.false0Expense Example Narrative Supplement - [Text Block]36false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse7false USDtruefalse$c_S000008231_C000022411_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008231Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008231Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022411Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022411Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Global Trust) | Series I37true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:38false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue9797USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year39false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue305305USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years40false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue530530USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years41false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue11771177USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years42false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse8false USDtruefalse$c_S000008231_C000022412_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008231Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008231Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022412Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022412Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Global Trust) | Series II43true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:44false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue117117USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year45false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue367367USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years46false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue637637USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years47false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue14081408USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years48false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse9false USDtruefalse$c_S000008231_C000022410_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008231Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008231Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022410Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022410Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Global Trust) | Series NAV49true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:50false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue9292USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year51false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue289289USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years52false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue503503USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years53false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue11191119USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years54false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse10false truefalsec_S000008297_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008297Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008297Memberdei_LegalEntityAxisexplicitMembernanafalse0John Hancock Funds II | (International Equity Index Trust B)55true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:56false 2jhvit_SupplementTextBlock_05jhvit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:falsefalsefalseus-types:textBlockItemTypestringNo authoritative reference available.No definition available.false0Expense Example Narrative Supplement - [Text Block]57false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse11false USDtruefalse$c_S000008297_C000117969_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008297Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008297Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000117969Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000117969Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (International Equity Index Trust B) | Series I58true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:59false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue4040USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year60false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue180180USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years61false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue332332USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years62false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue775775USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years63false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse12false USDtruefalse$c_S000008297_C000117970_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008297Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008297Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000117970Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000117970Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (International Equity Index Trust B) | Series II64true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:65false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue6060USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year66false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue243243USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years67false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue441441USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years68false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue10141014USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years69false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse13false USDtruefalse$c_S000008297_C000022668_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008297Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008297Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022668Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022668Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (International Equity Index Trust B) | Series NAV70true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:71false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue3535USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year72false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue164164USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years73false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue304304USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years74false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue714714USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years75false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse14false truefalsec_S000032005_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000032005Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000032005Memberdei_LegalEntityAxisexplicitMembernanafalse0John Hancock Funds II | (Lifestyle Conservative PS Series)76true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:77false 2jhvit_SupplementTextBlock_05jhvit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:falsefalsefalseus-types:textBlockItemTypestringNo authoritative reference available.No definition available.false0Expense Example Narrative Supplement - [Text Block]78false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse15false USDtruefalse$c_S000032005_C000099623_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000032005Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000032005Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000099623Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000099623Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Lifestyle Conservative PS Series) | Series I79true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:80false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue9191USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year81false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue295295USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years82false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue515515USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years83false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue11501150USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years84false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse16false USDtruefalse$c_S000032005_C000099624_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000032005Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000032005Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000099624Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000099624Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Lifestyle Conservative PS Series) | Series II85true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:86false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue111111USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year87false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue357357USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years88false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue623623USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years89false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue13821382USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years90false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse17false USDtruefalse$c_S000032005_C000099625_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000032005Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000032005Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000099625Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000099625Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Lifestyle Conservative PS Series) | Series NAV91true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:92false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue8686USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year93false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue279279USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years94false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue488488USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years95false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue10911091USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years96false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse18false truefalsec_S000032007_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000032007Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000032007Memberdei_LegalEntityAxisexplicitMembernanafalse0John Hancock Funds II | (Lifestyle Moderate PS Series)97true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:98false 2jhvit_SupplementTextBlock_05jhvit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:falsefalsefalseus-types:textBlockItemTypestringNo authoritative reference available.No definition available.false0Expense Example Narrative Supplement - [Text Block]99false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse19false USDtruefalse$c_S000032007_C000099629_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000032007Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000032007Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000099629Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000099629Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Lifestyle Moderate PS Series) | Series I100true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:101false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue9494USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year102false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue295295USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years103false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue514514USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years104false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue11421142USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years105false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse20false USDtruefalse$c_S000032007_C000099630_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000032007Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000032007Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000099630Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000099630Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Lifestyle Moderate PS Series) | Series II106true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:107false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue114114USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year108false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue358358USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years109false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue621621USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years110false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue13741374USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years111false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse21false USDtruefalse$c_S000032007_C000099631_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000032007Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000032007Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000099631Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000099631Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Lifestyle Moderate PS Series) | Series NAV112true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:113false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue8989USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year114false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue280280USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years115false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue487487USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years116false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue10831083USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years117false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse22false truefalsec_S000008285_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008285Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008285Memberdei_LegalEntityAxisexplicitMembernanafalse0John Hancock Funds II | (Mid Cap Index Trust)118true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:119false 2jhvit_SupplementTextBlock_05jhvit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:falsefalsefalseus-types:textBlockItemTypestringNo authoritative reference available.No definition available.false0Expense Example Narrative Supplement - [Text Block]120false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse23false USDtruefalse$c_S000008285_C000022621_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008285Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008285Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022621Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022621Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Mid Cap Index Trust) | Series I121true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:122false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue4747USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year123false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue169169USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years124false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue303303USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years125false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue692692USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years126false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse24false USDtruefalse$c_S000008285_C000022622_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008285Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008285Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022622Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022622Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Mid Cap Index Trust) | Series II127true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:128false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue6767USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year129false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue233233USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years130false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue413413USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years131false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue933933USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years132false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse25false USDtruefalse$c_S000008285_C000022620_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008285Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008285Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022620Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022620Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Mid Cap Index Trust) | Series NAV133true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:134false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue4242USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year135false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue153153USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years136false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue275275USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years137false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue631631USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years138false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse26false truefalsec_S000008291_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008291Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008291Memberdei_LegalEntityAxisexplicitMembernanafalse0John Hancock Funds II | (Money Market Trust B)139true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:140false 2jhvit_SupplementTextBlock_05jhvit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:falsefalsefalseus-types:textBlockItemTypestringNo authoritative reference available.No definition available.false0Expense Example Narrative Supplement - [Text Block]141false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse27false USDtruefalse$c_S000008291_C000022644_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008291Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008291Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022644Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022644Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Money Market Trust B) | Series NAV142true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:143false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue2929USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year144false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue145145USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years145false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue271271USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years146false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue641641USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years147false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse28false truefalsec_S000008311_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008311Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008311Memberdei_LegalEntityAxisexplicitMembernanafalse0John Hancock Funds II | (Small Cap Index Trust)148true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:149false 2jhvit_SupplementTextBlock_05jhvit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:falsefalsefalseus-types:textBlockItemTypestringNo authoritative reference available.No definition available.false0Expense Example Narrative Supplement - [Text Block]150false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse29false USDtruefalse$c_S000008311_C000022704_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008311Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008311Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022704Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022704Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Small Cap Index Trust) | Series I151true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:152false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue6060USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year153false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue200200USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years154false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue352352USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years155false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue794794USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years156false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse30false USDtruefalse$c_S000008311_C000022705_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008311Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008311Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022705Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022705Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Small Cap Index Trust) | Series II157true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:158false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue8181USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year159false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue263263USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years160false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue461461USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years161false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue10331033USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years162false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse31false USDtruefalse$c_S000008311_C000022703_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008311Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008311Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022703Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022703Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Small Cap Index Trust) | Series NAV163true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:164false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue5555USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year165false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue184184USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years166false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue324324USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years167false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue733733USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years168false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse32false truefalsec_S000008312_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008312Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008312Memberdei_LegalEntityAxisexplicitMembernanafalse0John Hancock Funds II | (Small Cap Opportunities Trust)169true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:170false 2jhvit_SupplementTextBlock_05jhvit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:falsefalsefalseus-types:textBlockItemTypestringNo authoritative reference available.No definition available.false0Expense Example Narrative Supplement - [Text Block]171false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse33false USDtruefalse$c_S000008312_C000022708_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008312Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008312Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022708Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022708Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Small Cap Opportunities Trust) | Series I172true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:173false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue109109USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year174false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue360360USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years175false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue630630USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years176false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue14011401USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years177false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse34false USDtruefalse$c_S000008312_C000022709_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008312Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008312Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022709Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022709Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Small Cap Opportunities Trust) | Series II178true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:179false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue129129USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year180false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue422422USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years181false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue736736USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years182false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue16271627USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years183false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse35false USDtruefalse$c_S000008312_C000022707_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008312Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008312Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022707Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022707Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Small Cap Opportunities Trust) | Series NAV184true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:185false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue104104USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year186false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue344344USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years187false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue603603USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years188false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue13441344USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years189false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse36false truefalsec_S000023551_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000023551Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000023551Memberdei_LegalEntityAxisexplicitMembernanafalse0John Hancock Funds II | (Smaller Company Growth Trust)190true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:191false 2jhvit_SupplementTextBlock_05jhvit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:falsefalsefalseus-types:textBlockItemTypestringNo authoritative reference available.No definition available.false0Expense Example Narrative Supplement - [Text Block]192false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse37false USDtruefalse$c_S000023551_C000069280_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000023551Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000023551Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000069280Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000069280Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Smaller Company Growth Trust) | Series I193true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:194false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue106106USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year195false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue361361USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years196false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue636636USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years197false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue14191419USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years198false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse38false USDtruefalse$c_S000023551_C000069281_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000023551Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000023551Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000069281Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000069281Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Smaller Company Growth Trust) | Series II199true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:200false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue126126USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year201false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue423423USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years202false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue742742USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years203false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue16451645USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years204false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse39false USDtruefalse$c_S000023551_C000069279_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000023551Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000023551Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000069279Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000069279Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Smaller Company Growth Trust) | Series NAV205true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:206false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue101101USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year207false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue345345USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years208false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue609609USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years209false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue13621362USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years210false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse40false truefalsec_S000008214_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008214Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008214Memberdei_LegalEntityAxisexplicitMembernanafalse0John Hancock Funds II | (Total Bond Market Trust B)211true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:212false 2jhvit_SupplementTextBlock_05jhvit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 The table under "Examples" in "Annual Fund Operating Expenses" is amended and restated as follows:falsefalsefalseus-types:textBlockItemTypestringNo authoritative reference available.No definition available.false0Expense Example Narrative Supplement - [Text Block]213false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse41false USDtruefalse$c_S000008214_C000117965_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008214Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008214Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000117965Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000117965Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Total Bond Market Trust B) | Series I214true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:215false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue3131USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year216false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue153153USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years217false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue287287USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years218false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue677677USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years219false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse42false USDtruefalse$c_S000008214_C000117966_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008214Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008214Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000117966Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000117966Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Total Bond Market Trust B) | Series II220true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:221false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue5151USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year222false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue217217USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years223false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue397397USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years224false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue918918USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 Years225false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse43false USDtruefalse$c_S000008214_C000022342_AAAAhttp://www.sec.gov/CIK0000756913duration2013-07-08T00:00:002013-07-08T00:00:00falsefalsejhvit_AAAAMemberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_AAAAMemberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsejhvit_S000008214Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_S000008214Memberdei_LegalEntityAxisexplicitMemberfalsefalsejhvit_C000022342Memberrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldijhvit_C000022342Memberrr_ProspectusShareClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0John Hancock Funds II | (Total Bond Market Trust B) | Series NAV226true 1rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:227false 2rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue2626USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions false2Expense Example, with Redemption, 1 Year228false 2rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue137137USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 3 Years229false 2rr_ExpenseExampleYear05rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue259259USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 5 Years230false 2rr_ExpenseExampleYear10rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue615615USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example false2Expense Example, with Redemption, 10 YearsfalseRisk/Return Detail Data (USD $)NoRoundingUnKnownUnKnownUnKnowntruetruefalseSheethttp://xbrl.sec.gov/rr/role/RiskReturnDetailData1230000000ColumnperiodPeriod*Rowdei_DocumentInformationDocumentAxisAxis*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*Rowrr_PerformanceMeasureAxisAxis*RowprimaryElement*falseus-types:textBlockItemTypestringContains a command for the SEC Viewer for the role corresponding to RiskReturnDetailDataNo definition available.false0Risk/Return Detail [Table]falseRisk/Return DetailUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://xbrl.sec.gov/rr/role/RiskReturnDetail11