v3.26.3
Expense Example - AMERICAN FUNDS MORTGAGE FUND
Oct. 30, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 441
Expense Example, with Redemption, 3 Years 581
Expense Example, with Redemption, 5 Years 734
Expense Example, with Redemption, 10 Years 1,178
Class 529-A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 418
Expense Example, with Redemption, 3 Years 563
Expense Example, with Redemption, 5 Years 721
Expense Example, with Redemption, 10 Years 1,178
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 245
Expense Example, with Redemption, 3 Years 449
Expense Example, with Redemption, 5 Years 776
Expense Example, with Redemption, 10 Years 1,497
Class 529-C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 248
Expense Example, with Redemption, 3 Years 459
Expense Example, with Redemption, 5 Years 792
Expense Example, with Redemption, 10 Years 1,250
Class 529-E  
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 F-1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 65
Expense Example, with Redemption, 3 Years 205
Expense Example, with Redemption, 5 Years 357
Expense Example, with Redemption, 10 Years 798
Class F-2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 39
Expense Example, with Redemption, 3 Years 122
Expense Example, with Redemption, 5 Years 213
Expense Example, with Redemption, 10 Years 480
Class F-3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 27
Expense Example, with Redemption, 3 Years 84
Expense Example, with Redemption, 5 Years 146
Expense Example, with Redemption, 10 Years 331
Class 529-F-2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 41
Expense Example, with Redemption, 3 Years 128
Expense Example, with Redemption, 5 Years 224
Expense Example, with Redemption, 10 Years 505
Class 529-F-3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 32
Expense Example, with Redemption, 3 Years 100
Expense Example, with Redemption, 5 Years 174
Expense Example, with Redemption, 10 Years 393
Class R-1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 140
Expense Example, with Redemption, 3 Years 437
Expense Example, with Redemption, 5 Years 755
Expense Example, with Redemption, 10 Years 1,657
Class R-2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 137
Expense Example, with Redemption, 3 Years 428
Expense Example, with Redemption, 5 Years 739
Expense Example, with Redemption, 10 Years 1,624
Class R-3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 94
Expense Example, with Redemption, 3 Years 293
Expense Example, with Redemption, 5 Years 509
Expense Example, with Redemption, 10 Years 1,131
Class R-4  
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 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 27
Expense Example, with Redemption, 3 Years 84
Expense Example, with Redemption, 5 Years 146
Expense Example, with Redemption, 10 Years 331
Class R-2E  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 105
Expense Example, with Redemption, 3 Years 332
Expense Example, with Redemption, 5 Years 577
Expense Example, with Redemption, 10 Years 1,281
Class R-5E  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 42
Expense Example, with Redemption, 3 Years 149
Expense Example, with Redemption, 5 Years 266
Expense Example, with Redemption, 10 Years $ 608