v3.25.4
Expense Example - INVESTMENT CO OF AMERICA
Feb. 27, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 628
Expense Example, with Redemption, 3 Years 741
Expense Example, with Redemption, 5 Years 865
Expense Example, with Redemption, 10 Years 1,225
Class 529-A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 408
Expense Example, with Redemption, 3 Years 532
Expense Example, with Redemption, 5 Years 668
Expense Example, with Redemption, 10 Years 1,062
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 233
Expense Example, with Redemption, 3 Years 415
Expense Example, with Redemption, 5 Years 718
Expense Example, with Redemption, 10 Years 1,369
Class 529-C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 237
Expense Example, with Redemption, 3 Years 428
Expense Example, with Redemption, 5 Years 739
Expense Example, with Redemption, 10 Years 1,133
Class 529-E  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 85
Expense Example, with Redemption, 3 Years 265
Expense Example, with Redemption, 5 Years 460
Expense Example, with Redemption, 10 Years 1,025
Class 529-T  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 311
Expense Example, with Redemption, 3 Years 440
Expense Example, with Redemption, 5 Years 582
Expense Example, with Redemption, 10 Years 993
Class T  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 306
Expense Example, with Redemption, 3 Years 425
Expense Example, with Redemption, 5 Years 555
Expense Example, with Redemption, 10 Years 934
Class F-1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 63
Expense Example, with Redemption, 3 Years 199
Expense Example, with Redemption, 5 Years 346
Expense Example, with Redemption, 10 Years 774
Class 529-F-1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 69
Expense Example, with Redemption, 3 Years 218
Expense Example, with Redemption, 5 Years 379
Expense Example, with Redemption, 10 Years 847
Class F-2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 38
Expense Example, with Redemption, 3 Years 119
Expense Example, with Redemption, 5 Years 208
Expense Example, with Redemption, 10 Years 468
Class F-3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 28
Expense Example, with Redemption, 3 Years 87
Expense Example, with Redemption, 5 Years 152
Expense Example, with Redemption, 10 Years 343
Class 529-F-2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 37
Expense Example, with Redemption, 3 Years 116
Expense Example, with Redemption, 5 Years 202
Expense Example, with Redemption, 10 Years 456
Class 529-F-3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 33
Expense Example, with Redemption, 3 Years 103
Expense Example, with Redemption, 5 Years 180
Expense Example, with Redemption, 10 Years 406
Class R-1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 135
Expense Example, with Redemption, 3 Years 421
Expense Example, with Redemption, 5 Years 729
Expense Example, with Redemption, 10 Years 1,601
Class R-2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 138
Expense Example, with Redemption, 3 Years 431
Expense Example, with Redemption, 5 Years 745
Expense Example, with Redemption, 10 Years 1,635
Class R-3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 93
Expense Example, with Redemption, 3 Years 290
Expense Example, with Redemption, 5 Years 504
Expense Example, with Redemption, 10 Years 1,120
Class R-4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 62
Expense Example, with Redemption, 3 Years 195
Expense Example, with Redemption, 5 Years 340
Expense Example, with Redemption, 10 Years 762
Class R-5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 33
Expense Example, with Redemption, 3 Years 103
Expense Example, with Redemption, 5 Years 180
Expense Example, with Redemption, 10 Years 406
Class R-6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 28
Expense Example, with Redemption, 3 Years 87
Expense Example, with Redemption, 5 Years 152
Expense Example, with Redemption, 10 Years 343
Class R-2E  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 108
Expense Example, with Redemption, 3 Years 337
Expense Example, with Redemption, 5 Years 585
Expense Example, with Redemption, 10 Years 1,294
Class R-5E  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 42
Expense Example, with Redemption, 3 Years 132
Expense Example, with Redemption, 5 Years 230
Expense Example, with Redemption, 10 Years $ 518