v3.26.3
Expense Example - American Century Quantitative Equity Funds Prospectus
Nov. 01, 2026
USD ($)
DISCIPLINED CORE EQUITY FUND | DISCIPLINED CORE EQUITY FUND INVESTOR CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 68
Expense Example, with Redemption, 3 Years 212
Expense Example, with Redemption, 5 Years 368
Expense Example, with Redemption, 10 Years 823
DISCIPLINED CORE EQUITY FUND | DISCIPLINED CORE EQUITY FUND I CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 47
Expense Example, with Redemption, 3 Years 148
Expense Example, with Redemption, 5 Years 258
Expense Example, with Redemption, 10 Years 580
DISCIPLINED CORE EQUITY FUND | DISCIPLINED CORE EQUITY FUND A CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 663
Expense Example, with Redemption, 3 Years 849
Expense Example, with Redemption, 5 Years 1,050
Expense Example, with Redemption, 10 Years 1,630
DISCIPLINED CORE EQUITY FUND | DISCIPLINED CORE EQUITY FUND C CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 169
Expense Example, with Redemption, 3 Years 524
Expense Example, with Redemption, 5 Years 903
Expense Example, with Redemption, 10 Years 1,764
DISCIPLINED CORE EQUITY FUND | DISCIPLINED CORE EQUITY FUND R CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 118
Expense Example, with Redemption, 3 Years 369
Expense Example, with Redemption, 5 Years 639
Expense Example, with Redemption, 10 Years 1,409
DISCIPLINED CORE EQUITY FUND | DISCIPLINED CORE EQUITY FUND R5 CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 47
Expense Example, with Redemption, 3 Years 148
Expense Example, with Redemption, 5 Years 258
Expense Example, with Redemption, 10 Years 580
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND INVESTOR CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 94
Expense Example, with Redemption, 3 Years 294
Expense Example, with Redemption, 5 Years 510
Expense Example, with Redemption, 10 Years 1,131
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND I CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 74
Expense Example, with Redemption, 3 Years 231
Expense Example, with Redemption, 5 Years 401
Expense Example, with Redemption, 10 Years 895
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND Y CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 69
Expense Example, with Redemption, 3 Years 215
Expense Example, with Redemption, 5 Years 374
Expense Example, with Redemption, 10 Years 835
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND A CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 688
Expense Example, with Redemption, 3 Years 926
Expense Example, with Redemption, 5 Years 1,182
Expense Example, with Redemption, 10 Years 1,913
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND C CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 195
Expense Example, with Redemption, 3 Years 604
Expense Example, with Redemption, 5 Years 1,038
Expense Example, with Redemption, 10 Years 2,046
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND R CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 145
Expense Example, with Redemption, 3 Years 450
Expense Example, with Redemption, 5 Years 777
Expense Example, with Redemption, 10 Years 1,701
DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND R5 CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 74
Expense Example, with Redemption, 3 Years 231
Expense Example, with Redemption, 5 Years 401
Expense Example, with Redemption, 10 Years 895
DISCIPLINED VALUE FUND | DISCIPLINED VALUE FUND INVESTOR CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 212
Expense Example, with Redemption, 5 Years 368
Expense Example, with Redemption, 10 Years 823
DISCIPLINED VALUE FUND | DISCIPLINED VALUE FUND I CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 47
Expense Example, with Redemption, 3 Years 148
Expense Example, with Redemption, 5 Years 258
Expense Example, with Redemption, 10 Years 580
DISCIPLINED VALUE FUND | DISCIPLINED VALUE FUND A CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 663
Expense Example, with Redemption, 3 Years 849
Expense Example, with Redemption, 5 Years 1,050
Expense Example, with Redemption, 10 Years 1,630
DISCIPLINED VALUE FUND | DISCIPLINED VALUE FUND C CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 169
Expense Example, with Redemption, 3 Years 524
Expense Example, with Redemption, 5 Years 903
Expense Example, with Redemption, 10 Years 1,764
DISCIPLINED VALUE FUND | DISCIPLINED VALUE FUND R CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 118
Expense Example, with Redemption, 3 Years 369
Expense Example, with Redemption, 5 Years 639
Expense Example, with Redemption, 10 Years 1,409
DISCIPLINED VALUE FUND | DISCIPLINED VALUE FUND R5 CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 47
Expense Example, with Redemption, 3 Years 148
Expense Example, with Redemption, 5 Years 258
Expense Example, with Redemption, 10 Years 580
GLOBAL GOLD FUND | GLOBAL GOLD FUND INVESTOR CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 212
Expense Example, with Redemption, 5 Years 368
Expense Example, with Redemption, 10 Years 823
GLOBAL GOLD FUND | GLOBAL GOLD FUND I CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 47
Expense Example, with Redemption, 3 Years 148
Expense Example, with Redemption, 5 Years 258
Expense Example, with Redemption, 10 Years 580
GLOBAL GOLD FUND | GLOBAL GOLD FUND A CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 663
Expense Example, with Redemption, 3 Years 849
Expense Example, with Redemption, 5 Years 1,050
Expense Example, with Redemption, 10 Years 1,630
GLOBAL GOLD FUND | GLOBAL GOLD FUND C CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 169
Expense Example, with Redemption, 3 Years 524
Expense Example, with Redemption, 5 Years 903
Expense Example, with Redemption, 10 Years 1,764
GLOBAL GOLD FUND | GLOBAL GOLD FUND R CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 118
Expense Example, with Redemption, 3 Years 369
Expense Example, with Redemption, 5 Years 639
Expense Example, with Redemption, 10 Years 1,409
SMALL COMPANY FUND | SMALL COMPANY FUND INVESTOR CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 88
Expense Example, with Redemption, 3 Years 275
Expense Example, with Redemption, 5 Years 477
Expense Example, with Redemption, 10 Years 1,061
SMALL COMPANY FUND | SMALL COMPANY FUND I CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 212
Expense Example, with Redemption, 5 Years 368
Expense Example, with Redemption, 10 Years 823
SMALL COMPANY FUND | SMALL COMPANY FUND A CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 682
Expense Example, with Redemption, 3 Years 908
Expense Example, with Redemption, 5 Years 1,152
Expense Example, with Redemption, 10 Years 1,849
SMALL COMPANY FUND | SMALL COMPANY FUND C CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 189
Expense Example, with Redemption, 3 Years 586
Expense Example, with Redemption, 5 Years 1,007
Expense Example, with Redemption, 10 Years 1,982
SMALL COMPANY FUND | SMALL COMPANY FUND R CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 139
Expense Example, with Redemption, 3 Years 431
Expense Example, with Redemption, 5 Years 745
Expense Example, with Redemption, 10 Years 1,634
SMALL COMPANY FUND | SMALL COMPANY FUND R5 CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 212
Expense Example, with Redemption, 5 Years 368
Expense Example, with Redemption, 10 Years 823
UTILITIES FUND | UTILITIES FUND INVESTOR CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 212
Expense Example, with Redemption, 5 Years 368
Expense Example, with Redemption, 10 Years $ 823