| Form N-CSR Cover | 6 Months Ended |
| May 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Prudential Sector Funds, Inc. |
| Entity Central Index Key | 0000352665 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | May 31, 2024 |
| Shareholder Report | 6 Months Ended |
| May 31, 2024 USD ($) Holdings | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Prudential Sector Funds, Inc. |
| Entity Central Index Key | 0000352665 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | May 31, 2024 |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Financial Services Fund |
| Class Name | Class A |
| Trading Symbol | PFSAX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report “Fund”) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs PGIM Jennison Financial Services Fund—Class A $74 1.34% |
| Expenses Paid, Amount | $ 74 |
| Expense Ratio, Percent | 1.34% |
| Net Assets | $ 141,380,478 |
| Holdings Count | Holdings | 34 |
| Investment Company, Portfolio Turnover | 13% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 141,380,478 Number of fund holdings 34 Portfolio turnover rate for the period 13% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS Sector Classification % of Net Assets Diversified Banks 21.0% Transaction & Payment Processing Services 13.5% Asset Management & Custody Banks 10.9% Regional Banks 10.6% Property & Casualty Insurance 9.5% Investment Banking & Brokerage 8.1% Insurance Brokers 6.7% Consumer Finance 4.6% Life & Health Insurance 4.6% Other Diversified Financial Services 4.0% Sector Classification % of Net Assets Financial Exchanges & Data 2.7% Reinsurance 2.3% Mortgage REITs 1.2% Affiliated Mutual Funds 0.3% 100.0% Other assets in excess of liabilities 0.0% * 100.0% * Less than 0.05% |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Financial Services Fund |
| Class Name | Class C |
| Trading Symbol | PUFCX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report “Fund”) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment PGIM Jennison Financial Services Fund—Class C $117 2.14% |
| Expenses Paid, Amount | $ 117 |
| Expense Ratio, Percent | 2.14% |
| Net Assets | $ 141,380,478 |
| Holdings Count | Holdings | 34 |
| Investment Company, Portfolio Turnover | 13% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 141,380,478 Number of fund holdings 34 Portfolio turnover rate for the period 13% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Diversified Banks 21.0% Transaction & Payment Processing Services 13.5% Asset Management & Custody Banks 10.9% Regional Banks 10.6% Property & Casualty Insurance 9.5% Investment Banking & Brokerage 8.1% Insurance Brokers 6.7% Consumer Finance 4.6% Life & Health Insurance 4.6% Other Diversified Financial Services 4.0% Sector Classification % of Net Assets Financial Exchanges & Data 2.7% Reinsurance 2.3% Mortgage REITs 1.2% Affiliated Mutual Funds 0.3% 100.0% Other assets in excess of liabilities 0.0% * 100.0% * Less than 0.05% |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Financial Services Fund |
| Class Name | Class R |
| Trading Symbol | PSSRX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report “Fund”) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment PGIM Jennison Financial Services Fund—Class R $88 1.61% |
| Expenses Paid, Amount | $ 88 |
| Expense Ratio, Percent | 1.61% |
| Net Assets | $ 141,380,478 |
| Holdings Count | Holdings | 34 |
| Investment Company, Portfolio Turnover | 13% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 141,380,478 Number of fund holdings 34 Portfolio turnover rate for the period 13% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Diversified Banks 21.0% Transaction & Payment Processing Services 13.5% Asset Management & Custody Banks 10.9% Regional Banks 10.6% Property & Casualty Insurance 9.5% Investment Banking & Brokerage 8.1% Insurance Brokers 6.7% Consumer Finance 4.6% Life & Health Insurance 4.6% Other Diversified Financial Services 4.0% Sector Classification % of Net Assets Financial Exchanges & Data 2.7% Reinsurance 2.3% Mortgage REITs 1.2% Affiliated Mutual Funds 0.3% 100.0% Other assets in excess of liabilities 0.0% * 100.0% * Less than 0.05% |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Financial Services Fund |
| Class Name | Class Z |
| Trading Symbol | PFSZX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report “Fund”) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment PGIM Jennison Financial Services Fund—Class Z $57 1.04% |
| Expenses Paid, Amount | $ 57 |
| Expense Ratio, Percent | 1.04% |
| Net Assets | $ 141,380,478 |
| Holdings Count | Holdings | 34 |
| Investment Company, Portfolio Turnover | 13% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 141,380,478 Number of fund holdings 34 Portfolio turnover rate for the period 13% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Diversified Banks 21.0% Transaction & Payment Processing Services 13.5% Asset Management & Custody Banks 10.9% Regional Banks 10.6% Property & Casualty Insurance 9.5% Investment Banking & Brokerage 8.1% Insurance Brokers 6.7% Consumer Finance 4.6% Life & Health Insurance 4.6% Other Diversified Financial Services 4.0% Sector Classification % of Net Assets Financial Exchanges & Data 2.7% Reinsurance 2.3% Mortgage REITs 1.2% Affiliated Mutual Funds 0.3% 100.0% Other assets in excess of liabilities 0.0% * 100.0% * Less than 0.05% |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Financial Services Fund |
| Class Name | Class R6 |
| Trading Symbol | PFSQX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report “Fund”) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment PGIM Jennison Financial Services Fund—Class R6 $55 1.00% |
| Expenses Paid, Amount | $ 55 |
| Expense Ratio, Percent | 1% |
| Net Assets | $ 141,380,478 |
| Holdings Count | Holdings | 34 |
| Investment Company, Portfolio Turnover | 13% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 141,380,478 Number of fund holdings 34 Portfolio turnover rate for the period 13% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Diversified Banks 21.0% Transaction & Payment Processing Services 13.5% Asset Management & Custody Banks 10.9% Regional Banks 10.6% Property & Casualty Insurance 9.5% Investment Banking & Brokerage 8.1% Insurance Brokers 6.7% Consumer Finance 4.6% Life & Health Insurance 4.6% Other Diversified Financial Services 4.0% Sector Classification % of Net Assets Financial Exchanges & Data 2.7% Reinsurance 2.3% Mortgage REITs 1.2% Affiliated Mutual Funds 0.3% 100.0% Other assets in excess of liabilities 0.0% * 100.0% * Less than 0.05% |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS A) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Health Sciences Fund |
| Class Name | Class A |
| Trading Symbol | PHLAX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report “Fund”) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment PGIM Jennison Health Sciences Fund—Class A $61 1.13% |
| Expenses Paid, Amount | $ 61 |
| Expense Ratio, Percent | 1.13% |
| Net Assets | $ 1,753,268,872 |
| Holdings Count | Holdings | 55 |
| Investment Company, Portfolio Turnover | 44% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 1,753,268,872 Number of fund holdings 55 Portfolio turnover rate for the period 44% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Biotechnology 33.6% Pharmaceuticals 31.2% Health Care Equipment 13.5% Managed Health Care 8.5% Life Sciences Tools & Services 7.1% Affiliated Mutual Funds (1.0% represents investments purchased with collateral from securities on loan) 3.1% Health Care Supplies 2.4% Health Care Services 2.1% 101.5% Liabilities in excess of other assets (1.5)% 100.0% |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS C) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Health Sciences Fund |
| Class Name | Class C |
| Trading Symbol | PHLCX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report “Fund”) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment PGIM Jennison Health Sciences Fund—Class C $106 1.96% |
| Expenses Paid, Amount | $ 106 |
| Expense Ratio, Percent | 1.96% |
| Net Assets | $ 1,753,268,872 |
| Holdings Count | Holdings | 55 |
| Investment Company, Portfolio Turnover | 44% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 1,753,268,872 Number of fund holdings 55 Portfolio turnover rate for the period 44% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Biotechnology 33.6% Pharmaceuticals 31.2% Health Care Equipment 13.5% Managed Health Care 8.5% Life Sciences Tools & Services 7.1% Affiliated Mutual Funds (1.0% represents investments purchased with collateral from securities on loan) 3.1% Health Care Supplies 2.4% Health Care Services 2.1% 101.5% Liabilities in excess of other assets (1.5)% 100.0% |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Health Sciences Fund |
| Class Name | Class R |
| Trading Symbol | PJHRX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report “Fund”) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment PGIM Jennison Health Sciences Fund—Class R $79 1.46% |
| Expenses Paid, Amount | $ 79 |
| Expense Ratio, Percent | 1.46% |
| Net Assets | $ 1,753,268,872 |
| Holdings Count | Holdings | 55 |
| Investment Company, Portfolio Turnover | 44% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 1,753,268,872 Number of fund holdings 55 Portfolio turnover rate for the period 44% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Biotechnology 33.6% Pharmaceuticals 31.2% Health Care Equipment 13.5% Managed Health Care 8.5% Life Sciences Tools & Services 7.1% Affiliated Mutual Funds (1.0% represents investments purchased with collateral from securities on loan) 3.1% Health Care Supplies 2.4% Health Care Services 2.1% 101.5% Liabilities in excess of other assets (1.5)% 100.0% |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS Z) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Health Sciences Fund |
| Class Name | Class Z |
| Trading Symbol | PHSZX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report “Fund”) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment PGIM Jennison Health Sciences Fund—Class Z $46 0.85% |
| Expenses Paid, Amount | $ 46 |
| Expense Ratio, Percent | 0.85% |
| Net Assets | $ 1,753,268,872 |
| Holdings Count | Holdings | 55 |
| Investment Company, Portfolio Turnover | 44% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 1,753,268,872 Number of fund holdings 55 Portfolio turnover rate for the period 44% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Biotechnology 33.6% Pharmaceuticals 31.2% Health Care Equipment 13.5% Managed Health Care 8.5% Life Sciences Tools & Services 7.1% Affiliated Mutual Funds (1.0% represents investments purchased with collateral from securities on loan) 3.1% Health Care Supplies 2.4% Health Care Services 2.1% 101.5% Liabilities in excess of other assets (1.5)% 100.0% |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R6) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Health Sciences Fund |
| Class Name | Class R6 |
| Trading Symbol | PHLQX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report “Fund”) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment PGIM Jennison Health Sciences Fund—Class R6 $42 0.77% |
| Expenses Paid, Amount | $ 42 |
| Expense Ratio, Percent | 0.77% |
| Net Assets | $ 1,753,268,872 |
| Holdings Count | Holdings | 55 |
| Investment Company, Portfolio Turnover | 44% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 1,753,268,872 Number of fund holdings 55 Portfolio turnover rate for the period 44% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Biotechnology 33.6% Pharmaceuticals 31.2% Health Care Equipment 13.5% Managed Health Care 8.5% Life Sciences Tools & Services 7.1% Affiliated Mutual Funds (1.0% represents investments purchased with collateral from securities on loan) 3.1% Health Care Supplies 2.4% Health Care Services 2.1% 101.5% Liabilities in excess of other assets (1.5)% 100.0% |
| PGIM JENNISON UTILITY FUND (CLASS A) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Utility Fund |
| Class Name | Class A |
| Trading Symbol | PRUAX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment PGIM Jennison Utility Fund—Class A $46 0.85% |
| Expenses Paid, Amount | $ 46 |
| Expense Ratio, Percent | 0.85% |
| Net Assets | $ 3,130,220,900 |
| Holdings Count | Holdings | 31 |
| Investment Company, Portfolio Turnover | 28% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 3,130,220,900 Number of fund holdings 31 Portfolio turnover rate for the period 28% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Electric Utilities 58.8% Multi-Utilities 25.4% Independent Power Producers & Energy Traders 8.3% Oil & Gas Storage & Transportation 4.6% Affiliated Mutual Funds (3.8% represents investments purchased with collateral from securities on loan) 4.0% Renewable Electricity 1.7% Gas Utilities 0.8% 103.6% Liabilities in excess of other assets (3.6)% 100.0% |
| PGIM JENNISON UTILITY FUND (CLASS C) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Utility Fund |
| Class Name | Class C |
| Trading Symbol | PCUFX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment PGIM Jennison Utility Fund—Class C $90 1.65% |
| Expenses Paid, Amount | $ 90 |
| Expense Ratio, Percent | 1.65% |
| Net Assets | $ 3,130,220,900 |
| Holdings Count | Holdings | 31 |
| Investment Company, Portfolio Turnover | 28% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 3,130,220,900 Number of fund holdings 31 Portfolio turnover rate for the period 28% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Electric Utilities 58.8% Multi-Utilities 25.4% Independent Power Producers & Energy Traders 8.3% Oil & Gas Storage & Transportation 4.6% Affiliated Mutual Funds (3.8% represents investments purchased with collateral from securities on loan) 4.0% Renewable Electricity 1.7% Gas Utilities 0.8% 103.6% Liabilities in excess of other assets (3.6)% 100.0% |
| PGIM JENNISON UTILITY FUND (CLASS R) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Utility Fund |
| Class Name | Class R |
| Trading Symbol | JDURX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment PGIM Jennison Utility Fund—Class R $61 1.12% |
| Expenses Paid, Amount | $ 61 |
| Expense Ratio, Percent | 1.12% |
| Net Assets | $ 3,130,220,900 |
| Holdings Count | Holdings | 31 |
| Investment Company, Portfolio Turnover | 28% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 3,130,220,900 Number of fund holdings 31 Portfolio turnover rate for the period 28% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Electric Utilities 58.8% Multi-Utilities 25.4% Independent Power Producers & Energy Traders 8.3% Oil & Gas Storage & Transportation 4.6% Affiliated Mutual Funds (3.8% represents investments purchased with collateral from securities on loan) 4.0% Renewable Electricity 1.7% Gas Utilities 0.8% 103.6% Liabilities in excess of other assets (3.6)% 100.0% |
| PGIM JENNISON UTILITY FUND (CLASS Z) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Utility Fund |
| Class Name | Class Z |
| Trading Symbol | PRUZX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses Paid, Amount | $ 32 |
| Expense Ratio, Percent | 0.58% |
| Net Assets | $ 3,130,220,900 |
| Holdings Count | Holdings | 31 |
| Investment Company, Portfolio Turnover | 28% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Electric Utilities 58.8% Multi-Utilities 25.4% Independent Power Producers & Energy Traders 8.3% Oil & Gas Storage & Transportation 4.6% Affiliated Mutual Funds (3.8% represents investments purchased with collateral from securities on loan) 4.0% Renewable Electricity 1.7% Gas Utilities 0.8% 103.6% Liabilities in excess of other assets (3.6)% 100.0% |
| PGIM JENNISON UTILITY FUND (CLASS R6) | |
| Shareholder Report [Line Items] | |
| Fund Name | PGIM Jennison Utility Fund |
| Class Name | Class R6 |
| Trading Symbol | PRUQX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at pgim.com/investments/mutual-funds/prospectuses-fact-sheets . You can also request this information by contacting us at (800) 225-1852. |
| Additional Information Phone Number | (800) 225-1852 |
| Additional Information Website | pgim.com/investments/mutual-funds/prospectuses-fact-sheets |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (Based on a hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment PGIM Jennison Utility Fund—Class R6 $28 0.51% |
| Expenses Paid, Amount | $ 28 |
| Expense Ratio, Percent | 0.51% |
| Net Assets | $ 3,130,220,900 |
| Holdings Count | Holdings | 31 |
| Investment Company, Portfolio Turnover | 28% |
| Additional Fund Statistics [Text Block] | WHAT ARE SOME KEY FUND STATISTICS AS OF 5/31/2024? Fund’s net assets $ 3,130,220,900 Number of fund holdings 31 Portfolio turnover rate for the period 28% |
| Holdings [Text Block] | WHAT ARE SOME CHARACTERISTICS OF THE FUND’S HOLDINGS AS OF 5/31/2024? Sector Classification % of Net Assets Electric Utilities 58.8% Multi-Utilities 25.4% Independent Power Producers & Energy Traders 8.3% Oil & Gas Storage & Transportation 4.6% Affiliated Mutual Funds (3.8% represents investments purchased with collateral from securities on loan) 4.0% Renewable Electricity 1.7% Gas Utilities 0.8% 103.6% Liabilities in excess of other assets (3.6)% 100.0% |
| Shareholder Report, Holdings (Details) | May 31, 2024 | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Diversified Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 21% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Transaction and Payment Processing Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 13.50% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Asset Management and Custody Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 10.90% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Regional Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 10.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Property and Casualty Insurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 9.50% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Investment Banking and Brokerage [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.10% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Insurance Brokers [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.70% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Consumer Finance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Life And Health Insurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Other Diversified Financial Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Financial Exchanges and Data [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.70% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Reinsurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.30% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Mortgage REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1.20% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.30% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS A) | Other Assets in Excess of Liabilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0% | [1] |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Diversified Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 21% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Transaction and Payment Processing Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 13.50% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Asset Management and Custody Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 10.90% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Regional Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 10.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Property and Casualty Insurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 9.50% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Investment Banking and Brokerage [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.10% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Insurance Brokers [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.70% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Consumer Finance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Life And Health Insurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Other Diversified Financial Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Financial Exchanges and Data [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.70% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Reinsurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.30% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Mortgage REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1.20% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.30% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS C) | Other Assets in Excess of Liabilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0% | [1] |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Diversified Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 21% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Transaction and Payment Processing Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 13.50% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Asset Management and Custody Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 10.90% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Regional Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 10.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Property and Casualty Insurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 9.50% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Investment Banking and Brokerage [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.10% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Insurance Brokers [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.70% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Consumer Finance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Life And Health Insurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Other Diversified Financial Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Financial Exchanges and Data [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.70% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Reinsurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.30% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Mortgage REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1.20% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.30% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R) | Other Assets in Excess of Liabilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0% | [1] |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Diversified Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 21% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Transaction and Payment Processing Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 13.50% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Asset Management and Custody Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 10.90% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Regional Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 10.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Property and Casualty Insurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 9.50% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Investment Banking and Brokerage [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.10% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Insurance Brokers [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.70% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Consumer Finance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Life And Health Insurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Other Diversified Financial Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Financial Exchanges and Data [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.70% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Reinsurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.30% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Mortgage REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1.20% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.30% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS Z) | Other Assets in Excess of Liabilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0% | [1] |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Diversified Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 21% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Transaction and Payment Processing Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 13.50% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Asset Management and Custody Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 10.90% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Regional Banks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 10.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Property and Casualty Insurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 9.50% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Investment Banking and Brokerage [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.10% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Insurance Brokers [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.70% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Consumer Finance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Life And Health Insurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Other Diversified Financial Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Financial Exchanges and Data [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.70% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Reinsurance [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.30% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Mortgage REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1.20% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.30% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON FINANCIAL SERVICES FUND (CLASS R6) | Other Assets in Excess of Liabilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0% | [1] |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS A) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS A) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS A) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 101.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS A) | Biotechnology [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 33.60% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS A) | Pharmaceuticals [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 31.20% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS A) | Health Care Equipment [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 13.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS A) | Managed Health Care [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS A) | Life Sciences Tools and Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 7.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS A) | Health Care Supplies [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.40% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS A) | Health Care Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS A) | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (1.50%) | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS C) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS C) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS C) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 101.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS C) | Biotechnology [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 33.60% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS C) | Pharmaceuticals [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 31.20% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS C) | Health Care Equipment [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 13.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS C) | Managed Health Care [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS C) | Life Sciences Tools and Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 7.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS C) | Health Care Supplies [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.40% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS C) | Health Care Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS C) | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (1.50%) | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 101.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R) | Biotechnology [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 33.60% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R) | Pharmaceuticals [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 31.20% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R) | Health Care Equipment [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 13.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R) | Managed Health Care [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R) | Life Sciences Tools and Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 7.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R) | Health Care Supplies [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.40% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R) | Health Care Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R) | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (1.50%) | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS Z) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS Z) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS Z) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 101.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS Z) | Biotechnology [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 33.60% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS Z) | Pharmaceuticals [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 31.20% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS Z) | Health Care Equipment [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 13.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS Z) | Managed Health Care [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS Z) | Life Sciences Tools and Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 7.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS Z) | Health Care Supplies [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.40% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS Z) | Health Care Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS Z) | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (1.50%) | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R6) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R6) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R6) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 101.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R6) | Biotechnology [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 33.60% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R6) | Pharmaceuticals [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 31.20% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R6) | Health Care Equipment [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 13.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R6) | Managed Health Care [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R6) | Life Sciences Tools and Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 7.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R6) | Health Care Supplies [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.40% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R6) | Health Care Services [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.10% | |
| PGIM JENNISON HEALTH SCIENCES FUND (CLASS R6) | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (1.50%) | |
| PGIM JENNISON UTILITY FUND (CLASS A) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON UTILITY FUND (CLASS A) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4% | |
| PGIM JENNISON UTILITY FUND (CLASS A) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 103.60% | |
| PGIM JENNISON UTILITY FUND (CLASS A) | Electric Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 58.80% | |
| PGIM JENNISON UTILITY FUND (CLASS A) | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (3.60%) | |
| PGIM JENNISON UTILITY FUND (CLASS A) | Multi Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 25.40% | |
| PGIM JENNISON UTILITY FUND (CLASS A) | Independent Power Producers and Energy Traders [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.30% | |
| PGIM JENNISON UTILITY FUND (CLASS A) | Oil and Gas Storage and Transportation [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON UTILITY FUND (CLASS A) | Renewable Electricity [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1.70% | |
| PGIM JENNISON UTILITY FUND (CLASS A) | Gas Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.80% | |
| PGIM JENNISON UTILITY FUND (CLASS C) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON UTILITY FUND (CLASS C) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4% | |
| PGIM JENNISON UTILITY FUND (CLASS C) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 103.60% | |
| PGIM JENNISON UTILITY FUND (CLASS C) | Electric Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 58.80% | |
| PGIM JENNISON UTILITY FUND (CLASS C) | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (3.60%) | |
| PGIM JENNISON UTILITY FUND (CLASS C) | Multi Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 25.40% | |
| PGIM JENNISON UTILITY FUND (CLASS C) | Independent Power Producers and Energy Traders [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.30% | |
| PGIM JENNISON UTILITY FUND (CLASS C) | Oil and Gas Storage and Transportation [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON UTILITY FUND (CLASS C) | Renewable Electricity [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1.70% | |
| PGIM JENNISON UTILITY FUND (CLASS C) | Gas Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.80% | |
| PGIM JENNISON UTILITY FUND (CLASS R) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON UTILITY FUND (CLASS R) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4% | |
| PGIM JENNISON UTILITY FUND (CLASS R) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 103.60% | |
| PGIM JENNISON UTILITY FUND (CLASS R) | Electric Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 58.80% | |
| PGIM JENNISON UTILITY FUND (CLASS R) | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (3.60%) | |
| PGIM JENNISON UTILITY FUND (CLASS R) | Multi Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 25.40% | |
| PGIM JENNISON UTILITY FUND (CLASS R) | Independent Power Producers and Energy Traders [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.30% | |
| PGIM JENNISON UTILITY FUND (CLASS R) | Oil and Gas Storage and Transportation [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON UTILITY FUND (CLASS R) | Renewable Electricity [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1.70% | |
| PGIM JENNISON UTILITY FUND (CLASS R) | Gas Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.80% | |
| PGIM JENNISON UTILITY FUND (CLASS Z) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON UTILITY FUND (CLASS Z) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4% | |
| PGIM JENNISON UTILITY FUND (CLASS Z) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 103.60% | |
| PGIM JENNISON UTILITY FUND (CLASS Z) | Electric Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 58.80% | |
| PGIM JENNISON UTILITY FUND (CLASS Z) | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (3.60%) | |
| PGIM JENNISON UTILITY FUND (CLASS Z) | Multi Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 25.40% | |
| PGIM JENNISON UTILITY FUND (CLASS Z) | Independent Power Producers and Energy Traders [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.30% | |
| PGIM JENNISON UTILITY FUND (CLASS Z) | Oil and Gas Storage and Transportation [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON UTILITY FUND (CLASS Z) | Renewable Electricity [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1.70% | |
| PGIM JENNISON UTILITY FUND (CLASS Z) | Gas Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.80% | |
| PGIM JENNISON UTILITY FUND (CLASS R6) | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| PGIM JENNISON UTILITY FUND (CLASS R6) | Affiliated Mutual Funds [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4% | |
| PGIM JENNISON UTILITY FUND (CLASS R6) | Total of Net Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 103.60% | |
| PGIM JENNISON UTILITY FUND (CLASS R6) | Electric Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 58.80% | |
| PGIM JENNISON UTILITY FUND (CLASS R6) | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (3.60%) | |
| PGIM JENNISON UTILITY FUND (CLASS R6) | Multi Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 25.40% | |
| PGIM JENNISON UTILITY FUND (CLASS R6) | Independent Power Producers and Energy Traders [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.30% | |
| PGIM JENNISON UTILITY FUND (CLASS R6) | Oil and Gas Storage and Transportation [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.60% | |
| PGIM JENNISON UTILITY FUND (CLASS R6) | Renewable Electricity [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1.70% | |
| PGIM JENNISON UTILITY FUND (CLASS R6) | Gas Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.80% | |
| [1]Less than 0.05% | ||
