v3.25.2
Shareholder Report, Holdings (Details)
May 31, 2025
PGIM Jennison Financial Services Fund - Class A  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Financial Services Fund - Class A | Diversified Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
PGIM Jennison Financial Services Fund - Class A | Transaction & Payment Processing Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
PGIM Jennison Financial Services Fund - Class A | Regional Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
PGIM Jennison Financial Services Fund - Class A | Investment Banking & Brokerage [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
PGIM Jennison Financial Services Fund - Class A | Affiliated Mutual Fund - Short Term Investment (8.8% represents investments purchased with collateral from securities on loan)  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
PGIM Jennison Financial Services Fund - Class A | Asset Management & Custody Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
PGIM Jennison Financial Services Fund - Class A | Property & Casualty Insurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
PGIM Jennison Financial Services Fund - Class A | Insurance Brokers [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
PGIM Jennison Financial Services Fund - Class A | Life & Health Insurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
PGIM Jennison Financial Services Fund - Class A | Financial Exchanges & Data [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
PGIM Jennison Financial Services Fund - Class A | Other Diversified Financial Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
PGIM Jennison Financial Services Fund - Class A | Reinsurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
PGIM Jennison Financial Services Fund - Class A | Mortgage REITs [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
PGIM Jennison Financial Services Fund - Class A | Homebuilding [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
PGIM Jennison Financial Services Fund - Class A | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 108.90%
PGIM Jennison Financial Services Fund - Class A | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (8.90%)
PGIM Jennison Financial Services Fund - Class C  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Financial Services Fund - Class C | Diversified Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
PGIM Jennison Financial Services Fund - Class C | Transaction & Payment Processing Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
PGIM Jennison Financial Services Fund - Class C | Regional Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
PGIM Jennison Financial Services Fund - Class C | Investment Banking & Brokerage [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
PGIM Jennison Financial Services Fund - Class C | Affiliated Mutual Fund - Short Term Investment (8.8% represents investments purchased with collateral from securities on loan)  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
PGIM Jennison Financial Services Fund - Class C | Asset Management & Custody Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
PGIM Jennison Financial Services Fund - Class C | Property & Casualty Insurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
PGIM Jennison Financial Services Fund - Class C | Insurance Brokers [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
PGIM Jennison Financial Services Fund - Class C | Life & Health Insurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
PGIM Jennison Financial Services Fund - Class C | Financial Exchanges & Data [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
PGIM Jennison Financial Services Fund - Class C | Other Diversified Financial Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
PGIM Jennison Financial Services Fund - Class C | Reinsurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
PGIM Jennison Financial Services Fund - Class C | Mortgage REITs [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
PGIM Jennison Financial Services Fund - Class C | Homebuilding [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
PGIM Jennison Financial Services Fund - Class C | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 108.90%
PGIM Jennison Financial Services Fund - Class C | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (8.90%)
PGIM Jennison Financial Services Fund - Class R  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Financial Services Fund - Class R | Diversified Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
PGIM Jennison Financial Services Fund - Class R | Transaction & Payment Processing Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
PGIM Jennison Financial Services Fund - Class R | Regional Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
PGIM Jennison Financial Services Fund - Class R | Investment Banking & Brokerage [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
PGIM Jennison Financial Services Fund - Class R | Affiliated Mutual Fund - Short Term Investment (8.8% represents investments purchased with collateral from securities on loan)  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
PGIM Jennison Financial Services Fund - Class R | Asset Management & Custody Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
PGIM Jennison Financial Services Fund - Class R | Property & Casualty Insurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
PGIM Jennison Financial Services Fund - Class R | Insurance Brokers [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
PGIM Jennison Financial Services Fund - Class R | Life & Health Insurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
PGIM Jennison Financial Services Fund - Class R | Financial Exchanges & Data [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
PGIM Jennison Financial Services Fund - Class R | Other Diversified Financial Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
PGIM Jennison Financial Services Fund - Class R | Reinsurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
PGIM Jennison Financial Services Fund - Class R | Mortgage REITs [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
PGIM Jennison Financial Services Fund - Class R | Homebuilding [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
PGIM Jennison Financial Services Fund - Class R | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 108.90%
PGIM Jennison Financial Services Fund - Class R | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (8.90%)
PGIM Jennison Financial Services Fund - Class Z  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Financial Services Fund - Class Z | Diversified Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
PGIM Jennison Financial Services Fund - Class Z | Transaction & Payment Processing Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
PGIM Jennison Financial Services Fund - Class Z | Regional Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
PGIM Jennison Financial Services Fund - Class Z | Investment Banking & Brokerage [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
PGIM Jennison Financial Services Fund - Class Z | Affiliated Mutual Fund - Short Term Investment (8.8% represents investments purchased with collateral from securities on loan)  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
PGIM Jennison Financial Services Fund - Class Z | Asset Management & Custody Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
PGIM Jennison Financial Services Fund - Class Z | Property & Casualty Insurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
PGIM Jennison Financial Services Fund - Class Z | Insurance Brokers [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
PGIM Jennison Financial Services Fund - Class Z | Life & Health Insurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
PGIM Jennison Financial Services Fund - Class Z | Financial Exchanges & Data [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
PGIM Jennison Financial Services Fund - Class Z | Other Diversified Financial Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
PGIM Jennison Financial Services Fund - Class Z | Reinsurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
PGIM Jennison Financial Services Fund - Class Z | Mortgage REITs [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
PGIM Jennison Financial Services Fund - Class Z | Homebuilding [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
PGIM Jennison Financial Services Fund - Class Z | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 108.90%
PGIM Jennison Financial Services Fund - Class Z | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (8.90%)
PGIM Jennison Financial Services Fund - Class R6  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Financial Services Fund - Class R6 | Diversified Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
PGIM Jennison Financial Services Fund - Class R6 | Transaction & Payment Processing Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
PGIM Jennison Financial Services Fund - Class R6 | Regional Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
PGIM Jennison Financial Services Fund - Class R6 | Investment Banking & Brokerage [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
PGIM Jennison Financial Services Fund - Class R6 | Affiliated Mutual Fund - Short Term Investment (8.8% represents investments purchased with collateral from securities on loan)  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
PGIM Jennison Financial Services Fund - Class R6 | Asset Management & Custody Banks [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
PGIM Jennison Financial Services Fund - Class R6 | Property & Casualty Insurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
PGIM Jennison Financial Services Fund - Class R6 | Insurance Brokers [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
PGIM Jennison Financial Services Fund - Class R6 | Life & Health Insurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
PGIM Jennison Financial Services Fund - Class R6 | Financial Exchanges & Data [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
PGIM Jennison Financial Services Fund - Class R6 | Other Diversified Financial Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
PGIM Jennison Financial Services Fund - Class R6 | Reinsurance [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
PGIM Jennison Financial Services Fund - Class R6 | Mortgage REITs [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
PGIM Jennison Financial Services Fund - Class R6 | Homebuilding [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
PGIM Jennison Financial Services Fund - Class R6 | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 108.90%
PGIM Jennison Financial Services Fund - Class R6 | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (8.90%)
PGIM Jennison Health Sciences Fund - Class A  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Health Sciences Fund - Class A | Biotechnology [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.40%
PGIM Jennison Health Sciences Fund - Class A | Pharmaceuticals [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.50%
PGIM Jennison Health Sciences Fund - Class A | Affiliated Mutual Fund - Short Term Investment (6.7% represents investments purchased with collateral from securities on loan) [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
PGIM Jennison Health Sciences Fund - Class A | Health Care Equipment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
PGIM Jennison Health Sciences Fund - Class A | Life Sciences Tools & Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
PGIM Jennison Health Sciences Fund - Class A | Managed Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
PGIM Jennison Health Sciences Fund - Class A | Health Care Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
PGIM Jennison Health Sciences Fund - Class A | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 106.80%
PGIM Jennison Health Sciences Fund - Class A | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (6.80%)
PGIM Jennison Health Sciences Fund - Class C  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Health Sciences Fund - Class C | Biotechnology [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.40%
PGIM Jennison Health Sciences Fund - Class C | Pharmaceuticals [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.50%
PGIM Jennison Health Sciences Fund - Class C | Affiliated Mutual Fund - Short Term Investment (6.7% represents investments purchased with collateral from securities on loan) [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
PGIM Jennison Health Sciences Fund - Class C | Health Care Equipment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
PGIM Jennison Health Sciences Fund - Class C | Life Sciences Tools & Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
PGIM Jennison Health Sciences Fund - Class C | Managed Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
PGIM Jennison Health Sciences Fund - Class C | Health Care Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
PGIM Jennison Health Sciences Fund - Class C | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 106.80%
PGIM Jennison Health Sciences Fund - Class C | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (6.80%)
PGIM Jennison Health Sciences Fund - Class R  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Health Sciences Fund - Class R | Biotechnology [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.40%
PGIM Jennison Health Sciences Fund - Class R | Pharmaceuticals [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.50%
PGIM Jennison Health Sciences Fund - Class R | Affiliated Mutual Fund - Short Term Investment (6.7% represents investments purchased with collateral from securities on loan) [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
PGIM Jennison Health Sciences Fund - Class R | Health Care Equipment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
PGIM Jennison Health Sciences Fund - Class R | Life Sciences Tools & Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
PGIM Jennison Health Sciences Fund - Class R | Managed Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
PGIM Jennison Health Sciences Fund - Class R | Health Care Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
PGIM Jennison Health Sciences Fund - Class R | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 106.80%
PGIM Jennison Health Sciences Fund - Class R | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (6.80%)
PGIM Jennison Health Sciences Fund - Class Z  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Health Sciences Fund - Class Z | Biotechnology [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.40%
PGIM Jennison Health Sciences Fund - Class Z | Pharmaceuticals [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.50%
PGIM Jennison Health Sciences Fund - Class Z | Affiliated Mutual Fund - Short Term Investment (6.7% represents investments purchased with collateral from securities on loan) [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
PGIM Jennison Health Sciences Fund - Class Z | Health Care Equipment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
PGIM Jennison Health Sciences Fund - Class Z | Life Sciences Tools & Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
PGIM Jennison Health Sciences Fund - Class Z | Managed Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
PGIM Jennison Health Sciences Fund - Class Z | Health Care Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
PGIM Jennison Health Sciences Fund - Class Z | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 106.80%
PGIM Jennison Health Sciences Fund - Class Z | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (6.80%)
PGIM Jennison Health Sciences Fund - Class R6  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Health Sciences Fund - Class R6 | Biotechnology [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.40%
PGIM Jennison Health Sciences Fund - Class R6 | Pharmaceuticals [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.50%
PGIM Jennison Health Sciences Fund - Class R6 | Affiliated Mutual Fund - Short Term Investment (6.7% represents investments purchased with collateral from securities on loan) [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
PGIM Jennison Health Sciences Fund - Class R6 | Health Care Equipment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
PGIM Jennison Health Sciences Fund - Class R6 | Life Sciences Tools & Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
PGIM Jennison Health Sciences Fund - Class R6 | Managed Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
PGIM Jennison Health Sciences Fund - Class R6 | Health Care Services [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
PGIM Jennison Health Sciences Fund - Class R6 | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 106.80%
PGIM Jennison Health Sciences Fund - Class R6 | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (6.80%)
PGIM Jennison Utility Fund - Class A  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Utility Fund - Class A | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 101.90%
PGIM Jennison Utility Fund - Class A | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (1.90%)
PGIM Jennison Utility Fund - Class A | Electric Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.50%
PGIM Jennison Utility Fund - Class A | Multi-Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.40%
PGIM Jennison Utility Fund - Class A | Independent Power Producers & Energy Traders [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
PGIM Jennison Utility Fund - Class A | Gas Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
PGIM Jennison Utility Fund - Class A | Affiliated Mutual Fund - Short Term Investment (2.1% represents investments purchased with collateral from securities on loan) [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
PGIM Jennison Utility Fund - Class A | Oil & Gas Storage & Transportation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
PGIM Jennison Utility Fund - Class A | Specialized REITs [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
PGIM Jennison Utility Fund - Class C  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Utility Fund - Class C | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 101.90%
PGIM Jennison Utility Fund - Class C | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (1.90%)
PGIM Jennison Utility Fund - Class C | Electric Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.50%
PGIM Jennison Utility Fund - Class C | Multi-Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.40%
PGIM Jennison Utility Fund - Class C | Independent Power Producers & Energy Traders [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
PGIM Jennison Utility Fund - Class C | Gas Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
PGIM Jennison Utility Fund - Class C | Affiliated Mutual Fund - Short Term Investment (2.1% represents investments purchased with collateral from securities on loan) [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
PGIM Jennison Utility Fund - Class C | Oil & Gas Storage & Transportation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
PGIM Jennison Utility Fund - Class C | Specialized REITs [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
PGIM Jennison Utility Fund - Class R  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Utility Fund - Class R | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 101.90%
PGIM Jennison Utility Fund - Class R | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (1.90%)
PGIM Jennison Utility Fund - Class R | Electric Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.50%
PGIM Jennison Utility Fund - Class R | Multi-Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.40%
PGIM Jennison Utility Fund - Class R | Independent Power Producers & Energy Traders [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
PGIM Jennison Utility Fund - Class R | Gas Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
PGIM Jennison Utility Fund - Class R | Affiliated Mutual Fund - Short Term Investment (2.1% represents investments purchased with collateral from securities on loan) [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
PGIM Jennison Utility Fund - Class R | Oil & Gas Storage & Transportation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
PGIM Jennison Utility Fund - Class R | Specialized REITs [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
PGIM Jennison Utility Fund - Class Z  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Utility Fund - Class Z | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 101.90%
PGIM Jennison Utility Fund - Class Z | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (1.90%)
PGIM Jennison Utility Fund - Class Z | Electric Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.50%
PGIM Jennison Utility Fund - Class Z | Multi-Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.40%
PGIM Jennison Utility Fund - Class Z | Independent Power Producers & Energy Traders [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
PGIM Jennison Utility Fund - Class Z | Gas Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
PGIM Jennison Utility Fund - Class Z | Affiliated Mutual Fund - Short Term Investment (2.1% represents investments purchased with collateral from securities on loan) [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
PGIM Jennison Utility Fund - Class Z | Oil & Gas Storage & Transportation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
PGIM Jennison Utility Fund - Class Z | Specialized REITs [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
PGIM Jennison Utility Fund - Class R6  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
PGIM Jennison Utility Fund - Class R6 | Total Before Liabilities In Excess Of Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 101.90%
PGIM Jennison Utility Fund - Class R6 | Liabilities in excess of other assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (1.90%)
PGIM Jennison Utility Fund - Class R6 | Electric Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.50%
PGIM Jennison Utility Fund - Class R6 | Multi-Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.40%
PGIM Jennison Utility Fund - Class R6 | Independent Power Producers & Energy Traders [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
PGIM Jennison Utility Fund - Class R6 | Gas Utilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
PGIM Jennison Utility Fund - Class R6 | Affiliated Mutual Fund - Short Term Investment (2.1% represents investments purchased with collateral from securities on loan) [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
PGIM Jennison Utility Fund - Class R6 | Oil & Gas Storage & Transportation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
PGIM Jennison Utility Fund - Class R6 | Specialized REITs [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%