0011 - Document - Document And Entity Information {Elements} link:calculationLink link:presentationLink link:definitionLink 0112 - Document - Risk/Return Summary {Unlabeled} (AMERICAN HIGH INCOME TRUST) link:calculationLink link:presentationLink link:definitionLink 0113 - Schedule - Shareholder Fees link:calculationLink link:presentationLink link:definitionLink 0114 - Schedule - Annual Fund Operating Expenses link:calculationLink link:presentationLink link:definitionLink 0115 - Schedule - Expense Example {Transposed} link:calculationLink link:presentationLink link:definitionLink 0116 - Schedule - Expense Example, No Redemption {Transposed} link:calculationLink link:presentationLink link:definitionLink 0117 - Schedule - Annual Total Returns link:calculationLink link:presentationLink link:definitionLink 0118 - Schedule - Average Annual Total Returns {Transposed} link:calculationLink link:presentationLink link:definitionLink