v3.26.3
Expense Example - American Funds U.S. Small & Mid Cap Equity Fund
Oct. 30, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 663
Expense Example, with Redemption, 3 Years 861
Expense Example, with Redemption, 5 Years 1,075
Expense Example, with Redemption, 10 Years 1,691
Class 529-A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 445
Expense Example, with Redemption, 3 Years 658
Expense Example, with Redemption, 5 Years 888
Expense Example, with Redemption, 10 Years 1,549
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 264
Expense Example, with Redemption, 3 Years 521
Expense Example, with Redemption, 5 Years 902
Expense Example, with Redemption, 10 Years 1,785
Class 529-C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 269
Expense Example, with Redemption, 3 Years 536
Expense Example, with Redemption, 5 Years 928
Expense Example, with Redemption, 10 Years 1,590
Class 529-E  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 113
Expense Example, with Redemption, 3 Years 366
Expense Example, with Redemption, 5 Years 638
Expense Example, with Redemption, 10 Years 1,415
Class F-3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 52
Expense Example, with Redemption, 3 Years 177
Expense Example, with Redemption, 5 Years 312
Expense Example, with Redemption, 10 Years 708
Class F-2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 62
Expense Example, with Redemption, 3 Years 208
Expense Example, with Redemption, 5 Years 367
Expense Example, with Redemption, 10 Years 829
Class F-1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 91
Expense Example, with Redemption, 3 Years 297
Expense Example, with Redemption, 5 Years 520
Expense Example, with Redemption, 10 Years 1,161
Class 529-F-3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 57
Expense Example, with Redemption, 3 Years 192
Expense Example, with Redemption, 5 Years 340
Expense Example, with Redemption, 10 Years 769
Class 529-F-2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 63
Expense Example, with Redemption, 3 Years 212
Expense Example, with Redemption, 5 Years 373
Expense Example, with Redemption, 10 Years 841
Class R-5E  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 67
Expense Example, with Redemption, 3 Years 224
Expense Example, with Redemption, 5 Years 395
Expense Example, with Redemption, 10 Years 889
Class R-5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 57
Expense Example, with Redemption, 3 Years 192
Expense Example, with Redemption, 5 Years 340
Expense Example, with Redemption, 10 Years 769
Class R-4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 88
Expense Example, with Redemption, 3 Years 287
Expense Example, with Redemption, 5 Years 503
Expense Example, with Redemption, 10 Years 1,126
Class R-3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 118
Expense Example, with Redemption, 3 Years 381
Expense Example, with Redemption, 5 Years 665
Expense Example, with Redemption, 10 Years 1,472
Class R-2E  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 133
Expense Example, with Redemption, 3 Years 428
Expense Example, with Redemption, 5 Years 744
Expense Example, with Redemption, 10 Years 1,641
Class R-2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 164
Expense Example, with Redemption, 3 Years 521
Expense Example, with Redemption, 5 Years 902
Expense Example, with Redemption, 10 Years 1,971
Class R-1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 164
Expense Example, with Redemption, 3 Years 521
Expense Example, with Redemption, 5 Years 902
Expense Example, with Redemption, 10 Years 1,971
Class R-6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 52
Expense Example, with Redemption, 3 Years 177
Expense Example, with Redemption, 5 Years 312
Expense Example, with Redemption, 10 Years $ 708