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Label Element Value
Prospectus: rr_ProspectusTable  
Document Type dei_DocumentType 497
Document Period End Date dei_DocumentPeriodEndDate Jul. 31, 2017
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 Jul. 31, 2017
Document Effective Date dei_DocumentEffectiveDate May 01, 2017
Prospectus Date rr_ProspectusDate May 01, 2017
VP Balanced Fund  
Prospectus: rr_ProspectusTable  
Supplement [Text Block] ck0000814680_SupplementTextBlock
American Century Variable Portfolios, Inc.
Prospectus Supplement
VP Balanced Fund
acihorizblk84.jpg
Supplement dated August 1, 2017 n Prospectus dated May 1, 2017
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock
The following replaces the tables in the Fees and Expenses section on page 2 of the prospectus:
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination July 31, 2018
VP Balanced Fund | VP BALANCED FUND, CLASS I  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.90%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.91%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.13%) [1]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.78%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 80
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 278
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 492
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,108
VP Balanced Fund | VP BALANCED FUND, CLASS II  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.90%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.16%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.13%) [1]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.03%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 105
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 356
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 626
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,397
VP Capital Appreciation Fund  
Prospectus: rr_ProspectusTable  
Supplement [Text Block] ck0000814680_SupplementTextBlock
American Century Variable Portfolios, Inc.
Prospectus Supplement
VP Capital Appreciation Fund
acihorizblk84.jpg
Supplement dated August 1, 2017 n Prospectus dated May 1, 2017
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock
The following replaces the tables in the Fees and Expenses section on page 2 of the prospectus:
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination July 31, 2018
VP Capital Appreciation Fund | VP CAPITAL APPRECIATION FUND, CLASS I  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 1.00%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets none
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.00%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.04%) [2]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.96%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 98
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 315
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 549
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,221
VP Capital Appreciation Fund | VP CAPITAL APPRECIATION FUND, CLASS II  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.90%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets none
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.15%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.04%) [2]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.11%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 113
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 362
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 630
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,394
VP Growth Fund  
Prospectus: rr_ProspectusTable  
Supplement [Text Block] ck0000814680_SupplementTextBlock
American Century Variable Portfolios, Inc.
Prospectus Supplement
VP Growth Fund
acihorizblk84.jpg
Supplement dated August 1, 2017 n Prospectus dated May 1, 2017
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock
The following replaces the tables in the Fees and Expenses section on page 2 of the prospectus:
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination July 31, 2018
VP Growth Fund | VP GROWTH FUND, CLASS I  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 1.00%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.01%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.18%) [3]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.83%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 85
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 304
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 541
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,220
VP Growth Fund | VP GROWTH FUND, CLASS II  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.90%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.16%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.18%) [3]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.98%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 100
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 351
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 622
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,393
VP International Fund  
Prospectus: rr_ProspectusTable  
Supplement [Text Block] ck0000814680_SupplementTextBlock
American Century Variable Portfolios, Inc.
Prospectus Supplement
VP International Fund
acihorizblk84.jpg
Supplement dated August 1, 2017 n Prospectus dated May 1, 2017
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock
The following replaces the tables in the Fees and Expenses section on page 2 of the prospectus:
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination July 31, 2018
VP International Fund | VP INTERNATIONAL FUND, CLASS I  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 1.35%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.02%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.37%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.33%) [4]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.04%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 106
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 402
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 719
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,617
VP International Fund | VP INTERNATIONAL FUND, CLASS II  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 1.25%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.02%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.52%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.33%) [4]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.19%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 122
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 449
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 799
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,783
VP Mid Cap Value Fund  
Prospectus: rr_ProspectusTable  
Supplement [Text Block] ck0000814680_SupplementTextBlock
American Century Variable Portfolios, Inc.
Prospectus Supplement
VP Mid Cap Value Fund
acihorizblk84.jpg
Supplement dated August 1, 2017 n Prospectus dated May 1, 2017
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock
The following replaces the tables in the Fees and Expenses section on page 2 of the prospectus:
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination July 31, 2018
VP Mid Cap Value Fund | VP MID CAP VALUE FUND, CLASS I  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 1.00%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets none
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.01%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.16%) [5]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.85%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 87
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 306
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 543
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,222
VP Mid Cap Value Fund | VP MID CAP VALUE FUND, CLASS II  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.90%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets none
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.16%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.16%) [5]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.00%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 102
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 353
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 624
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,394
VP Ultra Fund  
Prospectus: rr_ProspectusTable  
Supplement [Text Block] ck0000814680_SupplementTextBlock
American Century Variable Portfolios, Inc.
Prospectus Supplement
VP Ultra® Fund
acihorizblk84.jpg
Supplement dated August 1, 2017 n Prospectus dated May 1, 2017
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock
The following replaces the tables in the Fees and Expenses section on page 2 of the prospectus:
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination July 31, 2018
VP Ultra Fund | VP ULTRA FUND, CLASS I  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 1.00%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.01%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.17%) [6]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.84%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 86
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 305
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 542
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,221
VP Ultra Fund | VP ULTRA FUND, CLASS II  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.90%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.16%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.17%) [6]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.99%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 101
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 352
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 623
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,394
VP Value Fund  
Prospectus: rr_ProspectusTable  
Supplement [Text Block] ck0000814680_SupplementTextBlock
American Century Variable Portfolios, Inc.
Prospectus Supplement
VP Value Fund
 
Supplement dated August 1, 2017 n Prospectus dated May 1, 2017
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock
The following replaces the tables in the Fees and Expenses section on page 2 of the prospectus:
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination July 31, 2018
VP Value Fund | VP VALUE FUND, CLASS I  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.97%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.98%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.19%) [7]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.79%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 81
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 294
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 524
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,184
VP Value Fund | VP VALUE FUND, CLASS II  
Prospectus: rr_ProspectusTable  
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.87%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.13%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.19%) [7]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.94%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 96
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 341
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 605
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,357
[1] The advisor has agreed to waive 0.13 percentage points of the fund’s management fee. The advisor expects this waiver to continue until July 31, 2018 and cannot terminate it prior to such date without the approval of the Board of Directors.
[2] The advisor has agreed to waive 0.04 percentage points of the fund’s management fee. The advisor expects this waiver to continue until July 31, 2018 and cannot terminate it prior to such date without the approval of the Board of Directors.
[3] The advisor has agreed to waive 0.18 percentage points of the fund’s management fee. The advisor expects this waiver to continue until July 31, 2018 and cannot terminate it prior to such date without the approval of the Board of Directors.
[4] The advisor has agreed to waive 0.33 percentage points of the fund’s management fee. The advisor expects this waiver to continue until July 31, 2018 and cannot terminate it prior to such date without the approval of the Board of Directors.
[5] The advisor has agreed to waive 0.16 percentage points of the fund’s management fee. The advisor expects this waiver to continue until July 31, 2018 and cannot terminate it prior to such date without the approval of the Board of Directors.
[6] The advisor has agreed to waive 0.17 percentage points of the fund’s management fee. The advisor expects this waiver to continue until July 31, 2018 and cannot terminate it prior to such date without the approval of the Board of Directors.
[7] The advisor has agreed to waive 0.19 percentage points of the fund’s management fee. The advisor expects this waiver to continue until July 31, 2018 and cannot terminate it prior to such date without the approval of the Board of Directors.