Investment Objectives and Goals	Feb. 27, 2026
Capital Group Core Bond Completion Fund
Prospectus [Line Items]
Risk/Return [Heading]	Capital Group Core Bond Completion Fund
Objective [Heading]	Investment objective
Objective, Primary [Text Block]	The fund’s investment objective is to provide as high a level of current income as is consistent with the preservation of capital.
Capital Group Core Plus Completion Fund
Prospectus [Line Items]
Risk/Return [Heading]	Capital Group Core Plus Completion Fund
Objective [Heading]	Investment objective
Objective, Primary [Text Block]	The fund’s investment objective is to provide current income and seek maximum total return, consistent with preservation of capital.
Capital Group Municipal Income Completion Fund
Prospectus [Line Items]
Risk/Return [Heading]	Capital Group Municipal Income Completion Fund
Objective [Heading]	Investment objective
Objective, Primary [Text Block]	The fund’s investment objective is to provide a high level of current income exempt from regular federal income tax, consistent with the preservation of capital.

Capital Group Core Bond Completion Fund

The fund’s investment objective is to provide as high a level of current income as is consistent with the preservation of capital.

Prospectus [Line Items]

Objective [Heading]

Investment objective

Risk/Return [Heading]

Capital Group Municipal Income Completion Fund

Objective, Primary [Text Block]

The fund’s investment objective is to provide a high level of current income exempt from regular federal income tax, consistent with the preservation of capital.