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Label Element Value
Prospectus: rr_ProspectusTable  
Document Type dei_DocumentType 497
Document Period End Date dei_DocumentPeriodEndDate Jun. 25, 2020
Entity Registrant Name dei_EntityRegistrantName AMERICAN CENTURY VARIABLE PORTFOLIOS INC
Central Index Key dei_EntityCentralIndexKey 0000814680
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Jun. 25, 2020
Document Effective Date dei_DocumentEffectiveDate May 01, 2020
Prospectus Date rr_ProspectusDate May 01, 2020
Variable Portfolios Prospectus | VP Income & Growth Fund  
Prospectus: rr_ProspectusTable  
Supplement [Text Block] ck0000814680_SupplementTextBlock
American Century Variable Portfolios, Inc.

Summary Prospectus and Prospectus Supplement
 
VP Income & Growth Fund
 
Supplement dated June 26, 2020 n Summary Prospectus and Prospectus dated May 1, 2020

The change below will be effective as of September 25, 2020.
VP Income & Growth Fund will be renamed VP Disciplined Core Value Fund. All references to VP Income & Growth are hereby replaced with VP Disciplined Core Value.

The change below will be effective as of July 1, 2020.
The fund’s benchmark will change to the Russell 1000® Value Index.

The following is added to the Average Annual Total Returns table on page 3 of the VP Income & Growth summary prospectus, page 3 of the VP Income & Growth prospectus:
 
1 year
5 years
10 years
Russell 1000® Value Index
   (reflects no deduction for fees, expenses or taxes)
26.54%
8.28%
11.79%
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns
Performance Table Market Index Changed rr_PerformanceTableMarketIndexChanged The fund’s benchmark will change to the Russell 1000® Value Index.
Variable Portfolios Prospectus | VP Income & Growth Fund | Russell 1000® Value Index (reflects no deduction for fees, expenses or taxes)  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses or taxes)
Label rr_AverageAnnualReturnLabel Russell 1000® Value Index    (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 26.54%
5 Years rr_AverageAnnualReturnYear05 8.28%
10 Years rr_AverageAnnualReturnYear10 11.79%