v3.26.3
Shareholder Fees - American Century Quantitative Equity Funds Prospectus
Nov. 01, 2026
USD ($)
DISCIPLINED CORE EQUITY FUND | DISCIPLINED CORE EQUITY FUND INVESTOR CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 25
DISCIPLINED CORE EQUITY FUND | DISCIPLINED CORE EQUITY FUND I CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
DISCIPLINED CORE EQUITY FUND | DISCIPLINED CORE EQUITY FUND A CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00% [1]
Maximum Account Fee $ 0
DISCIPLINED CORE EQUITY FUND | DISCIPLINED CORE EQUITY FUND C CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
Maximum Account Fee $ 0
DISCIPLINED CORE EQUITY FUND | DISCIPLINED CORE EQUITY FUND R CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
DISCIPLINED CORE EQUITY FUND | DISCIPLINED CORE EQUITY FUND R5 CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND INVESTOR CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 25
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND I CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND Y CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND A CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00% [2]
Maximum Account Fee $ 0
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND C CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
Maximum Account Fee $ 0
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND R CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND R5 CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
DISCIPLINED VALUE FUND | DISCIPLINED VALUE FUND INVESTOR CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 25
DISCIPLINED VALUE FUND | DISCIPLINED VALUE FUND I CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
DISCIPLINED VALUE FUND | DISCIPLINED VALUE FUND A CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00% [3]
Maximum Account Fee $ 0
DISCIPLINED VALUE FUND | DISCIPLINED VALUE FUND C CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
Maximum Account Fee $ 0
DISCIPLINED VALUE FUND | DISCIPLINED VALUE FUND R CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
DISCIPLINED VALUE FUND | DISCIPLINED VALUE FUND R5 CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
GLOBAL GOLD FUND | GLOBAL GOLD FUND INVESTOR CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 25
GLOBAL GOLD FUND | GLOBAL GOLD FUND I CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
GLOBAL GOLD FUND | GLOBAL GOLD FUND A CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00% [4]
Maximum Account Fee $ 0
GLOBAL GOLD FUND | GLOBAL GOLD FUND C CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
Maximum Account Fee $ 0
GLOBAL GOLD FUND | GLOBAL GOLD FUND R CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
SMALL COMPANY FUND | SMALL COMPANY FUND INVESTOR CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 25
SMALL COMPANY FUND | SMALL COMPANY FUND I CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
SMALL COMPANY FUND | SMALL COMPANY FUND A CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00% [5]
Maximum Account Fee $ 0
SMALL COMPANY FUND | SMALL COMPANY FUND C CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 1.00%
Maximum Account Fee $ 0
SMALL COMPANY FUND | SMALL COMPANY FUND R CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
SMALL COMPANY FUND | SMALL COMPANY FUND R5 CLASS  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) 0.00%
Maximum Account Fee $ 0
UTILITIES FUND | UTILITIES FUND INVESTOR CLASS  
Prospectus [Line Items]  
Maximum Account Fee $ 25
[1] Purchases of $1 million or more may be subject to a contingent deferred sales charge of 1.00% if the shares are redeemed within one year of the date of the purchase.
[2] Purchases of $1 million or more may be subject to a contingent deferred sales charge of 1.00% if the shares are redeemed within one year of
the date of the purchase.
[3] Purchases of $1 million or more may be subject to a contingent deferred sales charge of 1.00% if the shares are redeemed within one year of the date of the purchase.
[4] Purchases of $1 million or more may be subject to a contingent deferred sales charge of 1.00% if the shares are redeemed within one year of the date of the purchase.
[5] Purchases of $1 million or more may be subject to a contingent deferred sales charge of 1.00% if the shares are redeemed within one year of the date of the purchase.