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N-2 - USD ($) |  |  | 3 Months Ended
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Aug. 08, 2025 | Aug. 06, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023
Cover [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Entity Central Index Key |  | 0001233681 |  |  |  |  |  |  |  |  |  |  |
Amendment Flag |  | false |  |  |  |  |  |  |  |  |  |  |
Document Type |  | 424B2 |  |  |  |  |  |  |  |  |  |  |
Entity Registrant Name |  | BLACKROCK LIMITED DURATION INCOME TRUST |  |  |  |  |  |  |  |  |  |  |
Fee Table [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholder Transaction Expenses [Table Text Block] |  |
Shareholder Transaction Expenses |  |  |  |
Maximum sales load paid by you (as a percentage of offering price)(1) |  |  | 1.00% |
Offering expenses borne by the Trust (as a percentage of offering price)(2) |  |  | 0.02% |
Dividend reinvestment plan fees |  |  | $0.02 per share for open-market purchases of common shares | (3)
Dividend reinvestment plan sale transaction fee |  |  | $2.50 | (3)
(1) | Represents the estimated commission with respect to the Trust’s common shares being sold in this offering. There is no guarantee that there will be any sales of the Trust’s common shares pursuant to this Prospectus Supplement and the accompanying Prospectus. Actual sales of the Trust’s common shares under this Prospectus Supplement and the accompanying Prospectus, if any, may be less than as set forth under “Capitalization” below. In addition, the price per share of any such sale may be greater than or less than the price set forth under “Capitalization” below, depending on market price of the Trust’s common shares at the time of any such sale.
(2) | Based on a sale price per share of $14.15, which represents the last reported sale price per share of the Trust’s common shares on the NYSE on August 6, 2025. Assumes all of the common shares being offered by this Prospectus Supplement and the accompanying Prospectus are sold. Represents the initial offering costs incurred by the Trust in connection with this offering, which are estimated to be $136,730. Offering costs generally include, but are not limited to, the preparation, review and filing with the SEC of the Trust’s registration statement, the preparation, review and filing of any associated marketing or similar materials, costs associated with the printing, mailing or other distribution of the Prospectus Supplement and the accompanying Prospectus and/or marketing materials, associated filing fees, NYSE listing fees, and legal and auditing fees associated with the offering.
(3) | Computershare Trust Company, N.A.’s (the “Reinvestment Plan Agent’s”) fees for the handling of the reinvestment of dividends will be paid by the Trust. However, you will pay a $0.02 per share fee incurred in connection with open-market purchases, which will be deducted from the value of the dividend. You will also be charged a $2.50 sales fee and pay a $0.15 per share fee if you direct the Reinvestment Plan Agent to sell your common shares held in a dividend reinvestment account. Per share fees include any applicable brokerage commissions the Reinvestment Plan Agent is required to pay.
Sales Load [Percent] | [1] | 1.00% |  |  |  |  |  |  |  |  |  |  |
Dividend Reinvestment and Cash Purchase Fees | [2] | $ 2.50 |  |  |  |  |  |  |  |  |  |  |
Other Transaction Expenses [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Other Transaction Expenses [Percent] | [3] | 0.02% |  |  |  |  |  |  |  |  |  |  |
Annual Expenses [Table Text Block] |  |
Estimated Annual Expenses (as a percentage of net assets attributable to common shares) |  |  |  |
Management Fees(4)(5) |  |  | 0.90% |
Interest Payments on Borrowed Funds(6) |  |  | 3.46% |
Other Expenses |  |  | 0.11% |
Acquired Fund Fees and Expenses(7) |  |  | 0.01% |
Total Annual Expenses(7) |  |  | 4.48% |
Fee Waivers(5) |  |  | — |
Total Annual Expenses after Fee Waivers(5) |  |  | 4.48% |
(4) | The Trust currently pays the Advisor a monthly fee at an annual contractual investment management fee rate of 0.55% of the average weekly value of the Trust’s Managed Assets.
(5) | The Trust and the Advisor have entered into a fee waiver agreement (the “Fee Waiver Agreement”), pursuant to which the Advisor has contractually agreed to waive the management fee with respect to any portion of the Trust’s assets attributable to investments in any equity and fixed-income mutual funds and exchange-traded funds managed by the Advisor or its affiliates and other exchange-traded products sponsored by the Advisor or its affiliates, in each case that have a contractual management fee, through
| June 30, 2027. In addition, pursuant to the Fee Waiver Agreement, the Advisor has contractually agreed to waive its management fees by the amount of investment advisory fees the Trust pays to the Advisor indirectly through its investment in money market funds managed by the Advisor or its affiliates, through June 30, 2027. The Fee Waiver Agreement may be terminated at any time, without the payment of any penalty, only by the Trust (upon the vote of a majority of the Trustees who are not “interested persons” (as defined in the Investment Company Act), of the Trust or a majority of the outstanding voting securities of the Trust), upon 90 days’ written notice by the Trust to the Advisor.
(6) | Assumes the use of leverage in the form of reverse repurchase agreements representing 39.6% of Managed Assets at an annual interest expense to the Trust of 5.42%, which is based on current market conditions. The actual amount of interest expense borne by the Trust will vary over time in accordance with the level of the Trust’s use of reverse repurchase agreements and variations in market interest rates. Interest expense is required to be treated as an expense of the Trust for accounting purposes.
(7) | The total annual expenses do not correlate to the ratios to average net assets shown in the Trust’s Financial Highlights for the year ended December 31, 2024, which do not include acquired fund fees and expenses.
Management Fees [Percent] | [4],[5] | 0.90% |  |  |  |  |  |  |  |  |  |  |
Interest Expenses on Borrowings [Percent] | [6] | 3.46% |  |  |  |  |  |  |  |  |  |  |
Acquired Fund Fees and Expenses [Percent] | [7] | 0.01% |  |  |  |  |  |  |  |  |  |  |
Other Annual Expenses [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Other Annual Expenses [Percent] |  | 0.11% |  |  |  |  |  |  |  |  |  |  |
Total Annual Expenses [Percent] | [7] | 4.48% |  |  |  |  |  |  |  |  |  |  |
Waivers and Reimbursements of Fees [Percent] | [4] |  |  |  |  |  |  |  |  |  |  |  |
Net Expense over Assets [Percent] | [4] | 4.48% |  |  |  |  |  |  |  |  |  |  |
Expense Example [Table Text Block] |  | Example The following example illustrates the expenses (including the sales load of $10.00 and offering costs of $0.25) that you would pay on a $1,000 investment in common shares, assuming (i) total net annual expenses of 4.48% of net assets attributable to common shares, and (ii) a 5% annual return:
|  | One Year |  |  | Three Years |  |  | Five Years |  |  | Ten Years |
Total expenses incurred |  | $ | 55 |  |  | $ | 144 |  |  | $ | 235 |  |  | $ | 465 |
The example should not be considered a representation of future expenses. The example assumes that the estimated “Other Expenses” set forth in the Estimated Annual Expenses table are accurate and that all dividends and distributions are reinvested at net asset value. Actual expenses may be greater or less than those assumed. Moreover, the Trust’s actual rate of return may be greater or less than the hypothetical 5% return shown in the example. |  |  |  |  |  |  |  |  |  |  |
Expense Example, Year 01 |  | $ 55 |  |  |  |  |  |  |  |  |  |  |
Expense Example, Years 1 to 3 |  | 144 |  |  |  |  |  |  |  |  |  |  |
Expense Example, Years 1 to 5 |  | 235 |  |  |  |  |  |  |  |  |  |  |
Expense Example, Years 1 to 10 |  | $ 465 |  |  |  |  |  |  |  |  |  |  |
Purpose of Fee Table , Note [Text Block] |  | The following table and example are intended to assist you in understanding the various costs and expenses directly or indirectly associated with investing in our common shares. |  |  |  |  |  |  |  |  |  |  |
Basis of Transaction Fees, Note [Text Block] |  | as a percentage of offering price |  |  |  |  |  |  |  |  |  |  |
Other Transaction Fees, Note [Text Block] |  | Based on a sale price per share of $14.15, which represents the last reported sale price per share of the Trust’s common shares on the NYSE on August 6, 2025. Assumes all of the common shares being offered by this Prospectus Supplement and the accompanying Prospectus are sold. Represents the initial offering costs incurred by the Trust in connection with this offering, which are estimated to be $136,730. Offering costs generally include, but are not limited to, the preparation, review and filing with the SEC of the Trust’s registration statement, the preparation, review and filing of any associated marketing or similar materials, costs associated with the printing, mailing or other distribution of the Prospectus Supplement and the accompanying Prospectus and/or marketing materials, associated filing fees, NYSE listing fees, and legal and auditing fees associated with the offering. |  |  |  |  |  |  |  |  |  |  |
Other Expenses, Note [Text Block] |  | The example should not be considered a representation of future expenses. The example assumes that the estimated “Other Expenses” set forth in the Estimated Annual Expenses table are accurate and that all dividends and distributions are reinvested at net asset value. Actual expenses may be greater or less than those assumed. Moreover, the Trust’s actual rate of return may be greater or less than the hypothetical 5% return shown in the example. |  |  |  |  |  |  |  |  |  |  |
Management Fee not based on Net Assets, Note [Text Block] |  | The Trust currently pays the Advisor a monthly fee at an annual contractual investment management fee rate of 0.55% of the average weekly value of the Trust’s Managed Assets. |  |  |  |  |  |  |  |  |  |  |
Acquired Fund Fees and Expenses, Note [Text Block] |  | The total annual expenses do not correlate to the ratios to average net assets shown in the Trust’s Financial Highlights for the year ended December 31, 2024, which do not include acquired fund fees and expenses. |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Investment Objectives and Practices [Text Block] |  | The Trust’s investment objective is to provide current income and capital appreciation. |  |  |  |  |  |  |  |  |  |  |
Share Price [Table Text Block] |  | PRICE RANGE OF COMMON SHARES The following table sets forth, for the quarters indicated, the highest and lowest daily closing prices on the NYSE per common share, and the NAV per common share and the premium to or discount from NAV, on the date of each of the high and low market prices. The table also sets forth the number of common shares traded on the NYSE during the respective quarters.
|  | NYSE Market Price Per Common Share |  |  | NAV per Common Share on Date of Market Price |  |  | Premium/ (Discount) on Date of Market Price |  |  | Trading Volume |
During Quarter Ended |  | High |  |  | Low |  |  | High |  |  | Low |  |  | High |  |  | Low |  |  |  |
June 30, 2025 |  | $ | 14.21 |  |  | $ | 12.75 |  |  | $ | 13.96 |  |  | $ | 13.97 |  |  |  | 1.79 | % |  |  | (4.64 | )% |  |  | 5,723,255 |
March 31, 2025 |  | $ | 14.38 |  |  | $ | 13.95 |  |  | $ | 14.11 |  |  | $ | 13.80 |  |  |  | 1.91 | % |  |  | 1.09 | % |  |  | 6,997,202 |
December 31, 2024 |  | $ | 14.51 |  |  | $ | 13.98 |  |  | $ | 14.31 |  |  | $ | 13.99 |  |  |  | 1.40 | % |  |  | (0.07 | )% |  |  | 5,952,894 |
September 30, 2024 |  | $ | 14.61 |  |  | $ | 13.87 |  |  | $ | 14.33 |  |  | $ | 13.96 |  |  |  | 1.95 | % |  |  | (0.64 | )% |  |  | 6,736,481 |
June 30, 2024 |  | $ | 14.05 |  |  | $ | 13.30 |  |  | $ | 14.05 |  |  | $ | 13.83 |  |  |  | 0.00 | % |  |  | (3.83 | )% |  |  | 5,465,449 |
March 31, 2024 |  | $ | 14.22 |  |  | $ | 13.56 |  |  | $ | 14.12 |  |  | $ | 13.97 |  |  |  | 0.71 | % |  |  | (2.93 | )% |  |  | 5,369,373 |
December 31, 2023 |  | $ | 13.98 |  |  | $ | 12.38 |  |  | $ | 14.11 |  |  | $ | 13.23 |  |  |  | (0.92 | )% |  |  | (6.42 | )% |  |  | 5,878,380 |
September 30, 2023 |  | $ | 13.29 |  |  | $ | 12.73 |  |  | $ | 13.74 |  |  | $ | 13.51 |  |  |  | (3.28 | )% |  |  | (5.77 | )% |  |  | 4,428,629 |
June 30, 2023 |  | $ | 13.25 |  |  | $ | 12.46 |  |  | $ | 13.78 |  |  | $ | 13.41 |  |  |  | (3.85 | )% |  |  | (7.08 | )% |  |  | 4,145,993 |
March 31, 2023 |  | $ | 14.10 |  |  | $ | 12.52 |  |  | $ | 14.26 |  |  | $ | 13.47 |  |  |  | (1.12 | )% |  |  | (7.05 | )% |  |  | 5,390,067 |
As of August 6, 2025, the NAV per common share of the Trust was $14.01 and the market price per common share was $14.15, representing a premium to NAV of 1.00%. Common shares of the Trust have historically traded at both a premium and discount to NAV. As of August 6, 2025, the Trust has 38,808,580 common shares outstanding. |  |  |  |  |  |  |  |  |  |  |
Common Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Other Annual Expenses [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis of Transaction Fees, Note [Text Block] |  | as a percentage of net assets attributable to common shares |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Lowest Price or Bid |  |  |  | $ 12.75 | $ 13.95 | $ 13.98 | $ 13.87 | $ 13.30 | $ 13.56 | $ 12.38 | $ 12.73 | $ 12.46 | $ 12.52
Highest Price or Bid |  |  |  | 14.21 | 14.38 | 14.51 | 14.61 | 14.05 | 14.22 | 13.98 | 13.29 | 13.25 | 14.10
Lowest Price or Bid, NAV |  |  |  | 13.97 | 13.80 | 13.99 | 13.96 | 13.83 | 13.97 | 13.23 | 13.51 | 13.41 | 13.47
Highest Price or Bid, NAV |  |  |  | $ 13.96 | $ 14.11 | $ 14.31 | $ 14.33 | $ 14.05 | $ 14.12 | $ 14.11 | $ 13.74 | $ 13.78 | $ 14.26
Highest Price or Bid, Premium (Discount) to NAV [Percent] |  |  |  | 1.79% | 1.91% | 1.40% | 1.95% | 0.00% | 0.71% | (0.92%) | (3.28%) | (3.85%) | (1.12%)
Lowest Price or Bid, Premium (Discount) to NAV [Percent] |  |  |  | (4.64%) | 1.09% | (0.07%) | (0.64%) | (3.83%) | (2.93%) | (6.42%) | (5.77%) | (7.08%) | (7.05%)
Share Price |  |  | $ 14.15 |  |  |  |  |  |  |  |  |  |
NAV Per Share |  |  | $ 14.01 |  |  |  |  |  |  |  |  |  |
Latest Premium (Discount) to NAV [Percent] |  |  | 1.00% |  |  |  |  |  |  |  |  |  |
Capital Stock, Long-Term Debt, and Other Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding Security, Title [Text Block] |  |  | common shares |  |  |  |  |  |  |  |  |  |
Outstanding Security, Held [Shares] |  |  | 38,808,580 |  |  |  |  |  |  |  |  |  |
[1] | Represents the estimated commission with respect to the Trust’s common shares being sold in this offering. There is no guarantee that there will be any sales of the Trust’s common shares pursuant to this Prospectus Supplement and the accompanying Prospectus. Actual sales of the Trust’s common shares under this Prospectus Supplement and the accompanying Prospectus, if any, may be less than as set forth under “Capitalization” below. In addition, the price per share of any such sale may be greater than or less than the price set forth under “Capitalization” below, depending on market price of the Trust’s common shares at the time of any such sale.
[2] | Computershare Trust Company, N.A.’s (the “Reinvestment Plan Agent’s”) fees for the handling of the reinvestment of dividends will be paid by the Trust. However, you will pay a $0.02 per share fee incurred in connection with open-market purchases, which will be deducted from the value of the dividend. You will also be charged a $2.50 sales fee and pay a $0.15 per share fee if you direct the Reinvestment Plan Agent to sell your common shares held in a dividend reinvestment account. Per share fees include any applicable brokerage commissions the Reinvestment Plan Agent is required to pay.
[3] | Based on a sale price per share of $14.15, which represents the last reported sale price per share of the Trust’s common shares on the NYSE on August 6, 2025. Assumes all of the common shares being offered by this Prospectus Supplement and the accompanying Prospectus are sold. Represents the initial offering costs incurred by the Trust in connection with this offering, which are estimated to be $136,730. Offering costs generally include, but are not limited to, the preparation, review and filing with the SEC of the Trust’s registration statement, the preparation, review and filing of any associated marketing or similar materials, costs associated with the printing, mailing or other distribution of the Prospectus Supplement and the accompanying Prospectus and/or marketing materials, associated filing fees, NYSE listing fees, and legal and auditing fees associated with the offering.
[4] | The Trust and the Advisor have entered into a fee waiver agreement (the “Fee Waiver Agreement”), pursuant to which the Advisor has contractually agreed to waive the management fee with respect to any portion of the Trust’s assets attributable to investments in any equity and fixed-income mutual funds and exchange-traded funds managed by the Advisor or its affiliates and other exchange-traded products sponsored by the Advisor or its affiliates, in each case that have a contractual management fee, through June 30, 2027. In addition, pursuant to the Fee Waiver Agreement, the Advisor has contractually agreed to waive its management fees by the amount of investment advisory fees the Trust pays to the Advisor indirectly through its investment in money market funds managed by the Advisor or its affiliates, through June 30, 2027. The Fee Waiver Agreement may be terminated at any time, without the payment of any penalty, only by the Trust (upon the vote of a majority of the Trustees who are not “interested persons” (as defined in the Investment Company Act), of the Trust or a majority of the outstanding voting securities of the Trust), upon 90 days’ written notice by the Trust to the Advisor.
[5] | The Trust currently pays the Advisor a monthly fee at an annual contractual investment management fee rate of 0.55% of the average weekly value of the Trust’s Managed Assets.
[6] | Assumes the use of leverage in the form of reverse repurchase agreements representing 39.6% of Managed Assets at an annual interest expense to the Trust of 5.42%, which is based on current market conditions. The actual amount of interest expense borne by the Trust will vary over time in accordance with the level of the Trust’s use of reverse repurchase agreements and variations in market interest rates. Interest expense is required to be treated as an expense of the Trust for accounting purposes.
[7] | The total annual expenses do not correlate to the ratios to average net assets shown in the Trust’s Financial Highlights for the year ended December 31, 2024, which do not include acquired fund fees and expenses.

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