v3.25.4
Average Annual Total Returns - American Century Mutual Funds, Inc
 12 Months Ended 26 Months Ended 46 Months Ended 60 Months Ended 77 Months Ended 81 Months Ended 105 Months Ended 120 Months Ended
Mar. 01, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
S&P 500® Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] S&P 500® Index   (reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   17.88%     14.42%       14.82%
Bloomberg US Aggregate Bond Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Bloomberg U.S. Aggregate Bond Index   (reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   7.30%     (0.36%)       2.01%
Blended Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Blended Index   (reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   13.70%     8.47%       9.78%
Russell 1000® Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Russell 1000® Index   (reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   17.37%     13.59%       14.59%
Russell 1000® Growth Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Russell 1000® Growth Index   (reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   18.56%     15.32%       18.13%
Russell 3000® Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Russell 3000® Index   (reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   17.15%     13.15%       14.29%
Russell Midcap® Growth Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Russell Midcap® Growth Index   (reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   8.66%     6.65%       12.49%
Russell 2000® Growth Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Russell 2000® Growth Index   (reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   13.01%     3.18%       9.57%
BALANCED FUND, INVESTOR CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   9.60%     6.45%       7.99%
BALANCED FUND, INVESTOR CLASS | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   8.93%     4.77%       6.38%
BALANCED FUND, INVESTOR CLASS | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   5.78%     4.48%       5.91%
BALANCED FUND, I CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   9.75%     6.66%       8.21%
BALANCED FUND, R5 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [1] R5 Class1 Return Before Taxes                
Average Annual Return, Percent [1]   9.81%     6.66%       8.21%
Performance Inception Date Apr. 10, 2017                
GROWTH FUND, INVESTOR CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   15.23%     12.74%       16.09%
Performance Inception Date Jun. 30, 1971                
GROWTH FUND, INVESTOR CLASS | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   11.19%     10.71%       13.99%
Performance Inception Date Jun. 30, 1971                
GROWTH FUND, INVESTOR CLASS | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   11.86%     9.92%       12.95%
Performance Inception Date Jun. 30, 1971                
GROWTH FUND, I CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   15.46%     12.97%       16.32%
Performance Inception Date Jun. 16, 1997                
GROWTH FUND, Y CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [2] Y Class1 Return Before Taxes                
Average Annual Return, Percent [2]   15.62%     13.14%       16.49%
Performance Inception Date [2] Apr. 10, 2017                
GROWTH FUND, A CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] A Class Return Before Taxes                
Average Annual Return, Percent   8.33%     11.14%       15.11%
Performance Inception Date Jun. 04, 1997                
GROWTH FUND, C CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [3] C Class2 Return Before Taxes                
Average Annual Return, Percent [3]   14.06%     11.62%       15.11%
Performance Inception Date [3] Mar. 01, 2010                
GROWTH FUND, R CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R Class Return Before Taxes                
Average Annual Return, Percent   14.65%     12.18%       15.50%
Performance Inception Date Aug. 29, 2003                
GROWTH FUND, R5 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [4] R5 Class3 Return Before Taxes                
Average Annual Return, Percent [4]   15.44%     12.96%       16.32%
Performance Inception Date [4] Apr. 10, 2017                
GROWTH FUND, R6 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R6 Class Return Before Taxes                
Average Annual Return, Percent   15.61%     13.14%       16.49%
Performance Inception Date Jul. 26, 2013                
GROWTH FUND, G CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] G Class Return Before Taxes                
Average Annual Return, Percent   16.21%   15.23%          
Performance Inception Date Mar. 01, 2022                
HERITAGE FUND, INVESTOR CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   6.61%     5.09%       11.43%
Performance Inception Date Nov. 10, 1987                
HERITAGE FUND, INVESTOR CLASS | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   1.50%     2.69%       8.56%
Performance Inception Date Nov. 10, 1987                
HERITAGE FUND, INVESTOR CLASS | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   6.69%     3.67%       8.67%
Performance Inception Date Nov. 10, 1987                
HERITAGE FUND, I CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   6.85%     5.31%       11.66%
Performance Inception Date Jun. 16, 1997                
HERITAGE FUND, Y CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [5] Y Class1 Return Before Taxes                
Average Annual Return, Percent [5]   6.99%     5.46%       11.82%
Performance Inception Date [5] Apr. 10, 2017                
HERITAGE FUND, A CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] A Class Return Before Taxes                
Average Annual Return, Percent   0.28%     3.60%       10.50%
Performance Inception Date Jul. 11, 1997                
HERITAGE FUND, C CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [6] C Class2 Return Before Taxes                
Average Annual Return, Percent [6]   5.49%     4.04%       10.49%
Performance Inception Date [6] Jun. 26, 2001                
HERITAGE FUND, R CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R Class Return Before Taxes                
Average Annual Return, Percent   6.11%     4.57%       10.88%
Performance Inception Date Sep. 28, 2007                
HERITAGE FUND, R5 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [7] R5 Class3 Return Before Taxes                
Average Annual Return, Percent [7]   6.85%     5.32%       11.66%
Performance Inception Date [7] Apr. 10, 2017                
HERITAGE FUND, R6 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R6 Class Return Before Taxes                
Average Annual Return, Percent   7.00%     5.47%       11.82%
Performance Inception Date Jul. 26, 2013                
HERITAGE FUND, G CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] G Class Return Before Taxes                
Average Annual Return, Percent   7.69%   9.92%          
Performance Inception Date Mar. 01, 2022                
LARGE CAP EQUITY FUND, INVESTOR CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   11.22%     11.32%       13.46%
Performance Inception Date Jul. 29, 2005                
LARGE CAP EQUITY FUND, INVESTOR CLASS | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   6.21%     9.73%       12.32%
Performance Inception Date Jul. 29, 2005                
LARGE CAP EQUITY FUND, INVESTOR CLASS | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   10.18%     8.95%       11.13%
Performance Inception Date Jul. 29, 2005                
LARGE CAP EQUITY FUND, I CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   11.46%     11.55%       13.69%
Performance Inception Date Jul. 29, 2005                
LARGE CAP EQUITY FUND, Y CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Y Class Return Before Taxes                
Average Annual Return, Percent   11.59%     11.71%     14.18%  
Performance Inception Date Apr. 10, 2017                
LARGE CAP EQUITY FUND, A CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] A Class Return Before Taxes                
Average Annual Return, Percent   4.57%     9.74%       12.51%
Performance Inception Date Nov. 30, 2004                
LARGE CAP EQUITY FUND, C CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [8] C Class1 Return Before Taxes                
Average Annual Return, Percent [8]   10.09%     10.22%       12.50%
Performance Inception Date [8] Nov. 30, 2004                
LARGE CAP EQUITY FUND, R CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R Class Return Before Taxes                
Average Annual Return, Percent   10.66%     10.77%       12.90%
Performance Inception Date Jul. 29, 2005                
LARGE CAP EQUITY FUND, R5 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [9] R5 Class2 Return Before Taxes                
Average Annual Return, Percent [9]   11.45%     11.54%       13.69%
Performance Inception Date [9] Apr. 10, 2017                
LARGE CAP EQUITY FUND, R6 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [10] R6 Class3 Return Before Taxes                
Average Annual Return, Percent [10]   11.60%     11.70%   14.18%    
Performance Inception Date [10] Apr. 01, 2019                
LARGE CAP EQUITY FUND, G CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] G Class Return Before Taxes                
Average Annual Return, Percent   12.09%     12.20%   14.57%    
Performance Inception Date Apr. 01, 2019                
SELECT FUND, INVESTOR CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   16.27%     12.79%       15.89%
Performance Inception Date Jun. 30, 1971                
SELECT FUND, INVESTOR CLASS | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   13.73%     10.94%       14.14%
Performance Inception Date Jun. 30, 1971                
SELECT FUND, INVESTOR CLASS | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   11.42%     9.85%       12.88%
Performance Inception Date Jun. 30, 1971                
SELECT FUND, I CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   16.50%     13.02%       16.12%
Performance Inception Date Mar. 13, 1997                
SELECT FUND, Y CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [11] Y Class1 Return Before Taxes                
Average Annual Return, Percent [11]   16.68%     13.19%       16.30%
Performance Inception Date [11] Apr. 10, 2017                
SELECT FUND, A CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] A Class Return Before Taxes                
Average Annual Return, Percent   9.32%     11.19%       14.92%
Performance Inception Date Aug. 08, 1997                
SELECT FUND, C CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [12] C Class2 Return Before Taxes                
Average Annual Return, Percent [12]   15.12%     11.67%       14.91%
Performance Inception Date [12] Jan. 31, 2003                
SELECT FUND, R CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R Class Return Before Taxes                
Average Annual Return, Percent   15.70%     12.23%       15.31%
Performance Inception Date Jul. 29, 2005                
SELECT FUND, R5 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [13] R5 Class3 Return Before Taxes                
Average Annual Return, Percent [13]   16.51%     13.02%       16.12%
Performance Inception Date [13] Apr. 10, 2017                
SELECT FUND, R6 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R6 Class Return Before Taxes                
Average Annual Return, Percent   16.68%     13.19%       16.30%
Performance Inception Date Jul. 26, 2013                
SELECT FUND, G CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] G Class Return Before Taxes                
Average Annual Return, Percent   17.32% 26.39%            
Performance Inception Date Nov. 02, 2023                
SMALL CAP GROWTH FUND, INVESTOR CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   9.03%     2.95%       12.21%
Performance Inception Date Jun. 01, 2001                
SMALL CAP GROWTH FUND, INVESTOR CLASS | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   7.20%     1.44%       10.39%
Performance Inception Date Jun. 01, 2001                
SMALL CAP GROWTH FUND, INVESTOR CLASS | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   6.66%     1.95%       9.60%
Performance Inception Date Jun. 01, 2001                
SMALL CAP GROWTH FUND, I CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   9.26%     3.16%       12.43%
Performance Inception Date May 18, 2007                
SMALL CAP GROWTH FUND, Y CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [14] Y Class1 Return Before Taxes                
Average Annual Return, Percent [14]   9.44%     3.31%       12.61%
Performance Inception Date [14] Apr. 10, 2017                
SMALL CAP GROWTH FUND, A CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] A Class Return Before Taxes                
Average Annual Return, Percent   2.51%     1.48%       11.27%
Performance Inception Date Jan. 31, 2003                
SMALL CAP GROWTH FUND, C CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [15] C Class2 Return Before Taxes                
Average Annual Return, Percent [15]   7.94%     1.92%       11.25%
Performance Inception Date [15] Jan. 31, 2003                
SMALL CAP GROWTH FUND, R CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R Class Return Before Taxes                
Average Annual Return, Percent   8.50%     2.44%       11.65%
Performance Inception Date Sep. 28, 2007                
SMALL CAP GROWTH FUND, R5 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [16] R5 Class3 Return Before Taxes                
Average Annual Return, Percent [16]   9.25%     3.16%       12.44%
Performance Inception Date [16] Apr. 10, 2017                
SMALL CAP GROWTH FUND, R6 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R6 Class Return Before Taxes                
Average Annual Return, Percent   9.40%     3.31%       12.60%
Performance Inception Date Jul. 26, 2013                
SMALL CAP GROWTH FUND, G CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] G Class Return Before Taxes                
Average Annual Return, Percent   10.23%     4.14%   12.06%    
Performance Inception Date Apr. 01, 2019                
ULTRA FUND, INVESTOR CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   12.62%     11.71%       17.13%
Performance Inception Date Nov. 02, 1981                
ULTRA FUND, INVESTOR CLASS | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   9.82%     9.97%       15.53%
Performance Inception Date Nov. 02, 1981                
ULTRA FUND, INVESTOR CLASS | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   9.44%     9.02%       14.09%
Performance Inception Date Nov. 02, 1981                
ULTRA FUND, I CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   12.85%     11.93%       17.37%
Performance Inception Date Nov. 14, 1996                
ULTRA FUND, Y CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [17] Y Class1 Return Before Taxes                
Average Annual Return, Percent [17]   13.01%     12.10%       17.54%
Performance Inception Date [17] Apr. 10, 2017                
ULTRA FUND, A CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] A Class Return Before Taxes                
Average Annual Return, Percent   5.88%     10.12%       16.15%
Performance Inception Date Oct. 02, 1996                
ULTRA FUND, C CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [18] C Class2 Return Before Taxes                
Average Annual Return, Percent [18]   11.50%     10.60%       16.14%
Performance Inception Date [18] Oct. 29, 2001                
ULTRA FUND, R CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R Class Return Before Taxes                
Average Annual Return, Percent   12.07%     11.16%       16.55%
Performance Inception Date Aug. 29, 2003                
ULTRA FUND, R5 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [19] R5 Class3 Return Before Taxes                
Average Annual Return, Percent [19]   12.85%     11.94%       17.37%
Performance Inception Date [19] Apr. 10, 2017                
ULTRA FUND, R6 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R6 Class Return Before Taxes                
Average Annual Return, Percent   13.01%     12.10%       17.54%
Performance Inception Date Jul. 26, 2013                
ULTRA FUND, G CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] G Class Return Before Taxes                
Average Annual Return, Percent   13.63%     12.74% 18.99%      
Performance Inception Date Aug. 01, 2019                
[1] Historical performance for the R5 Class prior to its inception (April 10, 2017) is based on the performance of I Class shares, which have the same expenses as the R5 Class.
[2] Historical performance for the Y Class prior to its inception is based on the performance of R6 Class shares, which have the same expenses as the Y Class shares. Since inception performance for the Y Class is based on the R6 Class inception date.
[3] C Class shares automatically convert to A Class shares after approximately eight years. All returns for periods greater than eight years reflect this conversion.
[4] Historical performance for the R5 Class prior to its inception is based on the performance of I Class shares, which have the same expenses as the R5 Class shares.
[5] Historical performance for the Y Class prior to its inception is based on the performance of R6 Class shares, which have the same expenses as the Y Class shares. Since inception performance for the Y Class is based on the R6 Class inception date.
[6] C Class shares automatically convert to A Class shares after approximately eight years. All returns for periods greater than eight years reflect this conversion.
[7] Historical performance for the R5 Class prior to its inception is based on the performance of I Class shares, which have the same expenses as the R5 Class.
[8] C Class shares automatically convert to A Class shares after approximately eight years. All returns for periods greater than eight years reflect this conversion.
[9] Historical performance for the R5 Class prior to its inception is based on the performance of I Class shares, which have the same expenses as the R5 Class shares.
[10] Historical performance for the R6 Class prior to its inception is based on the performance of Y Class shares, which have the same expenses as the R6 Class shares. Since inception performance for the R6 Class is based on the Y Class inception date.
[11] Historical performance for the Y Class prior to its inception is based on the performance of R6 Class shares, which have the same expenses as the Y Class shares. Since inception performance for the Y Class is based on the R6 Class inception date.
[12] C Class shares automatically convert to A Class shares after approximately eight years. All returns for periods greater than eight years reflect this conversion.
[13] Historical performance for the R5 Class prior to its inception is based on the performance of I Class shares, which have the same expenses as the R5 Class shares.
[14] Historical performance for the Y Class prior to its inception is based on the performance of R6 Class shares, which have the same expenses as the Y Class shares. Since inception performance for the Y Class is based on the R6 Class inception date.
[15] C Class shares automatically convert to A Class shares after approximately eight years. All returns for periods greater than eight years reflect this conversion.
[16] Historical performance for the R5 Class prior to its inception is based on the performance of I Class shares, which have the same expenses as the R5 class.
[17] Historical performance for the Y Class prior to its inception is based on the performance of R6 Class shares, which have the same expenses as the Y Class shares. Since inception performance for the Y Class is based on the R6 Class inception date.
[18] C Class shares automatically convert to A Class shares after approximately eight years. All returns for periods greater than eight years reflect this conversion.
[19] Historical performance for the R5 Class prior to its inception is based on the performance of I Class shares, which have the same expenses as the R5 Class shares