| Form N-CSR Cover | 6 Months Ended |
| May 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | PUTNAM HIGH YIELD FUND |
| Entity Central Index Key | 0000787836 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | May 31, 2024 |
| Shareholder Report | 6 Months Ended | |
| May 31, 2024 USD ($) $ / shares | ||
| Shareholder Report [Line Items] | ||
| Document Type | N-CSRS | |
| Amendment Flag | false | |
| Registrant Name | PUTNAM HIGH YIELD FUND | |
| Entity Central Index Key | 0000787836 | |
| Entity Investment Company Type | N-1A | |
| Document Period End Date | May 31, 2024 | |
| Class A | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Putnam High Yield Fund | |
| Class Name | Class A | |
| Trading Symbol | PHYIX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents . You can also request this information by contacting us at (800) 225-1581 . | |
| Additional Information Phone Number | (800) 225-1581 | |
| Additional Information Website | https://www.franklintempleton.com/regulatory-fund-documents. | |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment † Class A $53 1.04% | [1] |
| Expenses Paid, Amount | $ 53 | |
| Expense Ratio, Percent | 1.04% | |
| Net Assets | $ 901,019,739 | |
| Holdings Count | $ / shares | 619 | [2] |
| Investment Company Portfolio Turnover | 25% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of May 31, 2024) Total Net Assets $901,019,739 Total Number of Portfolio Holdings * 619 Portfolio Turnover Rate 25% | [2] |
| Holdings [Text Block] | [3] | |
| Class B | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Putnam High Yield Fund | |
| Class Name | Class B | |
| Trading Symbol | PHYBX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents . You can also request this information by contacting us at (800) 225-1581 . | |
| Additional Information Phone Number | (800) 225-1581 | |
| Additional Information Website | https://www.franklintempleton.com/regulatory-fund-documents. | |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment † Class B $91 1.79% | [4] |
| Expenses Paid, Amount | $ 91 | |
| Expense Ratio, Percent | 1.79% | |
| Net Assets | $ 901,019,739 | |
| Holdings Count | $ / shares | 619 | [5] |
| Investment Company Portfolio Turnover | 25% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of May 31, 2024) Total Net Assets $901,019,739 Total Number of Portfolio Holdings * 619 Portfolio Turnover Rate 25% | [5] |
| Holdings [Text Block] | [6] | |
| Class C | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Putnam High Yield Fund | |
| Class Name | Class C | |
| Trading Symbol | PHYLX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents . You can also request this information by contacting us at (800) 225-1581 . | |
| Additional Information Phone Number | (800) 225-1581 | |
| Additional Information Website | https://www.franklintempleton.com/regulatory-fund-documents. | |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment † Class C $91 1.79% | [7] |
| Expenses Paid, Amount | $ 91 | |
| Expense Ratio, Percent | 1.79% | |
| Net Assets | $ 901,019,739 | |
| Holdings Count | $ / shares | 619 | [8] |
| Investment Company Portfolio Turnover | 25% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of May 31, 2024) Total Net Assets $901,019,739 Total Number of Portfolio Holdings * 619 Portfolio Turnover Rate 25% | [8] |
| Holdings [Text Block] | [9] | |
| Class M | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Putnam High Yield Fund | |
| Class Name | Class M | |
| Trading Symbol | PHYMX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents . You can also request this information by contacting us at (800) 225-1581 . | |
| Additional Information Phone Number | (800) 225-1581 | |
| Additional Information Website | https://www.franklintempleton.com/regulatory-fund-documents. | |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment † Class M $66 1.29% | [10] |
| Expenses Paid, Amount | $ 66 | |
| Expense Ratio, Percent | 1.29% | |
| Net Assets | $ 901,019,739 | |
| Holdings Count | $ / shares | 619 | [11] |
| Investment Company Portfolio Turnover | 25% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of May 31, 2024) Total Net Assets $901,019,739 Total Number of Portfolio Holdings * 619 Portfolio Turnover Rate 25% | [11] |
| Holdings [Text Block] | [12] | |
| Class R | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Putnam High Yield Fund | |
| Class Name | Class R | |
| Trading Symbol | PFJAX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents . You can also request this information by contacting us at (800) 225-1581 . | |
| Additional Information Phone Number | (800) 225-1581 | |
| Additional Information Website | https://www.franklintempleton.com/regulatory-fund-documents. | |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment † Class R $66 1.29% | [13] |
| Expenses Paid, Amount | $ 66 | |
| Expense Ratio, Percent | 1.29% | |
| Net Assets | $ 901,019,739 | |
| Holdings Count | $ / shares | 619 | [14] |
| Investment Company Portfolio Turnover | 25% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of May 31, 2024) Total Net Assets $901,019,739 Total Number of Portfolio Holdings * 619 Portfolio Turnover Rate 25% | [14] |
| Holdings [Text Block] | [15] | |
| Class R6 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Putnam High Yield Fund | |
| Class Name | Class R6 | |
| Trading Symbol | PHYUX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents . You can also request this information by contacting us at (800) 225-1581 . | |
| Additional Information Phone Number | (800) 225-1581 | |
| Additional Information Website | https://www.franklintempleton.com/regulatory-fund-documents. | |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment † Class R6 $35 0.67% | [16] |
| Expenses Paid, Amount | $ 35 | |
| Expense Ratio, Percent | 0.67% | |
| Net Assets | $ 901,019,739 | |
| Holdings Count | $ / shares | 619 | [17] |
| Investment Company Portfolio Turnover | 25% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of May 31, 2024) Total Net Assets $901,019,739 Total Number of Portfolio Holdings * 619 Portfolio Turnover Rate 25% | [17] |
| Holdings [Text Block] | [18] | |
| Class Y | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Putnam High Yield Fund | |
| Class Name | Class Y | |
| Trading Symbol | PHAYX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents . You can also request this information by contacting us at (800) 225-1581 . | |
| Additional Information Phone Number | (800) 225-1581 | |
| Additional Information Website | https://www.franklintempleton.com/regulatory-fund-documents. | |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment † Class Y $40 0.79% | [19] |
| Expenses Paid, Amount | $ 40 | |
| Expense Ratio, Percent | 0.79% | |
| Net Assets | $ 901,019,739 | |
| Holdings Count | $ / shares | 619 | [20] |
| Investment Company Portfolio Turnover | 25% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of May 31, 2024) Total Net Assets $901,019,739 Total Number of Portfolio Holdings * 619 Portfolio Turnover Rate 25% | [20] |
| Holdings [Text Block] | [21] | |
| [1] † Annualized. * Includes derivatives, if applicable. Cash and Equivalents, if any, represent the market value weights of cash, derivatives, short-term securities, and other unclassified assets in the portfolio. Allocations may not total 100% because the chart includes the notional value of certain derivatives (the economic value for purposes of calculating periodic payment obligations), in addition to the market value of securities. Holdings and allocations may vary over time. † Annualized. * Includes derivatives, if applicable. Cash and Equivalents, if any, represent the market value weights of cash, derivatives, short-term securities, and other unclassified assets in the portfolio. Allocations may not total 100% because the chart includes the notional value of certain derivatives (the economic value for purposes of calculating periodic payment obligations), in addition to the market value of securities. Holdings and allocations may vary over time. † Annualized. * Includes derivatives, if applicable. Cash and Equivalents, if any, represent the market value weights of cash, derivatives, short-term securities, and other unclassified assets in the portfolio. Allocations may not total 100% because the chart includes the notional value of certain derivatives (the economic value for purposes of calculating periodic payment obligations), in addition to the market value of securities. Holdings and allocations may vary over time. † Annualized. * Includes derivatives, if applicable. Cash and Equivalents, if any, represent the market value weights of cash, derivatives, short-term securities, and other unclassified assets in the portfolio. Allocations may not total 100% because the chart includes the notional value of certain derivatives (the economic value for purposes of calculating periodic payment obligations), in addition to the market value of securities. Holdings and allocations may vary over time. † Annualized. * Includes derivatives, if applicable. Cash and Equivalents, if any, represent the market value weights of cash, derivatives, short-term securities, and other unclassified assets in the portfolio. Allocations may not total 100% because the chart includes the notional value of certain derivatives (the economic value for purposes of calculating periodic payment obligations), in addition to the market value of securities. Holdings and allocations may vary over time. † Annualized. * Includes derivatives, if applicable. Cash and Equivalents, if any, represent the market value weights of cash, derivatives, short-term securities, and other unclassified assets in the portfolio. Allocations may not total 100% because the chart includes the notional value of certain derivatives (the economic value for purposes of calculating periodic payment obligations), in addition to the market value of securities. Holdings and allocations may vary over time. † Annualized. * Includes derivatives, if applicable. Cash and Equivalents, if any, represent the market value weights of cash, derivatives, short-term securities, and other unclassified assets in the portfolio. Allocations may not total 100% because the chart includes the notional value of certain derivatives (the economic value for purposes of calculating periodic payment obligations), in addition to the market value of securities. Holdings and allocations may vary over time. | ||
| Shareholder Report, Holdings (Details) | May 31, 2024 |
| Class A | Communications Services [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Class A | Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| Class A | Consumer Staples [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Class A | Consumer Cyclicals [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.20% |
| Class A | Basic Materials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Class A | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.70% |
| Class A | Energy [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10% |
| Class A | Capital Goods [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Class A | Health Care [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.40% |
| Class A | Utilities [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Class A | Non-Cash Investments [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Class A | Transportation [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Class A | Government [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Class A | Cash and Equivalents [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Class B | Communications Services [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Class B | Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| Class B | Consumer Staples [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Class B | Consumer Cyclicals [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.20% |
| Class B | Basic Materials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Class B | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.70% |
| Class B | Energy [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10% |
| Class B | Capital Goods [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Class B | Health Care [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.40% |
| Class B | Utilities [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Class B | Non-Cash Investments [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Class B | Transportation [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Class B | Government [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Class B | Cash and Equivalents [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Class C | Communications Services [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Class C | Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| Class C | Consumer Staples [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Class C | Consumer Cyclicals [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.20% |
| Class C | Basic Materials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Class C | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.70% |
| Class C | Energy [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10% |
| Class C | Capital Goods [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Class C | Health Care [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.40% |
| Class C | Utilities [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Class C | Non-Cash Investments [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Class C | Transportation [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Class C | Government [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Class C | Cash and Equivalents [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Class M | Communications Services [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Class M | Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| Class M | Consumer Staples [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Class M | Consumer Cyclicals [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.20% |
| Class M | Basic Materials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Class M | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.70% |
| Class M | Energy [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10% |
| Class M | Capital Goods [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Class M | Health Care [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.40% |
| Class M | Utilities [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Class M | Non-Cash Investments [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Class M | Transportation [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Class M | Government [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Class M | Cash and Equivalents [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Class R | Communications Services [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Class R | Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| Class R | Consumer Staples [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Class R | Consumer Cyclicals [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.20% |
| Class R | Basic Materials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Class R | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.70% |
| Class R | Energy [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10% |
| Class R | Capital Goods [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Class R | Health Care [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.40% |
| Class R | Utilities [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Class R | Non-Cash Investments [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Class R | Transportation [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Class R | Government [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Class R | Cash and Equivalents [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Class R6 | Communications Services [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Class R6 | Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| Class R6 | Consumer Staples [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Class R6 | Consumer Cyclicals [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.20% |
| Class R6 | Basic Materials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Class R6 | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.70% |
| Class R6 | Energy [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10% |
| Class R6 | Capital Goods [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Class R6 | Health Care [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.40% |
| Class R6 | Utilities [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Class R6 | Non-Cash Investments [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Class R6 | Transportation [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Class R6 | Government [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Class R6 | Cash and Equivalents [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Class Y | Communications Services [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Class Y | Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| Class Y | Consumer Staples [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Class Y | Consumer Cyclicals [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.20% |
| Class Y | Basic Materials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Class Y | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.70% |
| Class Y | Energy [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10% |
| Class Y | Capital Goods [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Class Y | Health Care [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.40% |
| Class Y | Utilities [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Class Y | Non-Cash Investments [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Class Y | Transportation [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Class Y | Government [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Class Y | Cash and Equivalents [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
