Performance Management	Sep. 10, 2025
Capital Group Core Plus Completion Fund
Prospectus [Line Items]
Bar Chart and Performance Table [Heading]	Investment results
Performance Narrative [Text Block]	Because the fund has not commenced investment operations as of the date of the prospectus, information regarding investment results for a full calendar year is not available as of the date of this prospectus.
Performance One Year or Less [Text]	Because the fund has not commenced investment operations as of the date of the prospectus, information regarding investment results for a full calendar year is not available as of the date of this prospectus.
Capital Group Municipal Income Completion Fund
Prospectus [Line Items]
Bar Chart and Performance Table [Heading]	Investment results
Performance Narrative [Text Block]	Because the fund has not commenced investment operations as of the date of the prospectus, information regarding investment results for a full calendar year is not available as of the date of this prospectus.
Performance One Year or Less [Text]	Because the fund has not commenced investment operations as of the date of the prospectus, information regarding investment results for a full calendar year is not available as of the date of this prospectus.

Because the fund has not commenced investment operations as of the date of the prospectus, information regarding investment results for a full calendar year is not available as of the date of this prospectus.

Bar Chart and Performance Table [Heading]

Investment results

Performance One Year or Less [Text]

Because the fund has not commenced investment operations as of the date of the prospectus, information regarding investment results for a full calendar year is not available as of the date of this prospectus.