v3.24.0.1
Document and Entity Information
Total
Prospectus:  
Document Type 485BPOS
Document Period End Date Dec. 31, 2023
Entity Registrant Name AMERICAN FUNDS MULTI-SECTOR INCOME FUND
Entity Central Index Key 0001761673
Entity Inv Company Type N-1A
Amendment Flag false
Document Creation Date Feb. 16, 2024
Document Effective Date Mar. 01, 2024
Prospectus Date Mar. 01, 2024
American Funds Multi-Sector Income Fund | Class T  
Prospectus:  
Trading Symbol MIAVX
American Funds Multi-Sector Income Fund | Class 529-A  
Prospectus:  
Trading Symbol CMBKX
American Funds Multi-Sector Income Fund | Class R-5E  
Prospectus:  
Trading Symbol RMDSX
American Funds Multi-Sector Income Fund | Class R-5  
Prospectus:  
Trading Symbol RMDTX
American Funds Multi-Sector Income Fund | Class R-4  
Prospectus:  
Trading Symbol RMDRX
American Funds Multi-Sector Income Fund | Class R-3  
Prospectus:  
Trading Symbol RMDQX
American Funds Multi-Sector Income Fund | Class R-2E  
Prospectus:  
Trading Symbol RMDPX
American Funds Multi-Sector Income Fund | Class R-2  
Prospectus:  
Trading Symbol RMDOX
American Funds Multi-Sector Income Fund | Class R-1  
Prospectus:  
Trading Symbol RMDNX
American Funds Multi-Sector Income Fund | Class F-3  
Prospectus:  
Trading Symbol MIAZX
American Funds Multi-Sector Income Fund | Class F-2  
Prospectus:  
Trading Symbol MIAYX
American Funds Multi-Sector Income Fund | Class F-1  
Prospectus:  
Trading Symbol MIAWX
American Funds Multi-Sector Income Fund | Class C  
Prospectus:  
Trading Symbol MIAUX
American Funds Multi-Sector Income Fund | Class A  
Prospectus:  
Trading Symbol MIAQX
American Funds Multi-Sector Income Fund | Class 529-T  
Prospectus:  
Trading Symbol CMBNX
American Funds Multi-Sector Income Fund | Class 529-F-1  
Prospectus:  
Trading Symbol CMBOX
American Funds Multi-Sector Income Fund | Class 529-E  
Prospectus:  
Trading Symbol CMBMX
American Funds Multi-Sector Income Fund | Class 529-C  
Prospectus:  
Trading Symbol CMBLX
American Funds Multi-Sector Income Fund | Class R-6  
Prospectus:  
Trading Symbol RMDUX
American Funds Multi-Sector Income Fund | Class 529-F-2  
Prospectus:  
Trading Symbol CMBPX
American Funds Multi-Sector Income Fund | Class 529-F-3  
Prospectus:  
Trading Symbol CMBQX