XML 30 R1.htm IDEA: XBRL DOCUMENT v3.20.4
Cover - USD ($)
 12 Months Ended
Dec. 31, 2020
Feb. 19, 2021
Jun. 30, 2020
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Document Transition Report false    
Entity File Number 001-09120    
Entity Registrant Name Public Service Enterprise Group Incorporated    
Entity Incorporation, State or Country Code NJ    
Entity Tax Identification Number 22-2625848    
Entity Address, Address Line One 80 Park Plaza    
Entity Address, City or Town Newark,    
Entity Address, State or Province NJ    
Entity Address, Postal Zip Code 07102    
City Area Code 973    
Local Phone Number 430-7000    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 24,648,067,675
Entity Common Stock, Shares Outstanding   505,093,089  
Documents Incorporated by Reference
Part of Form 10-K of
Public Service
Enterprise Group Incorporated		Documents Incorporated by Reference
IIIPortions of the definitive Proxy Statement for the 2021 Annual Meeting of Stockholders of Public Service Enterprise Group Incorporated, which definitive Proxy Statement is expected to be filed with the Securities and Exchange Commission on or about March 15, 2021, as specified herein.
    
Amendment Flag false    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Entity Central Index Key 0000788784    
Current Fiscal Year End Date --12-31    
ICFR Auditor Attestation Flag true    
Public Service Electric and Gas Company      
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Document Transition Report false    
Entity File Number 001-00973    
Entity Registrant Name Public Service Electric and Gas Company    
Entity Incorporation, State or Country Code NJ    
Entity Tax Identification Number 22-1212800    
Entity Address, Address Line One 80 Park Plaza    
Entity Address, City or Town Newark,    
Entity Address, State or Province NJ    
Entity Address, Postal Zip Code 07102    
City Area Code 973    
Local Phone Number 430-7000    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   132,450,344  
Amendment Flag false    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Entity Central Index Key 0000081033    
Current Fiscal Year End Date --12-31    
ICFR Auditor Attestation Flag false    
PSEG Power LLC      
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Document Transition Report false    
Entity File Number 001-34232    
Entity Registrant Name PSEG Power LLC    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 22-3663480    
Entity Address, Address Line One 80 Park Plaza    
Entity Address, City or Town Newark,    
Entity Address, State or Province NJ    
Entity Address, Postal Zip Code 07102    
City Area Code 973    
Local Phone Number 430-7000    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Amendment Flag false    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001158659    
Current Fiscal Year End Date --12-31    
ICFR Auditor Attestation Flag false    
Common Stock without par value [Member]      
Entity Information [Line Items]      
Title of 12(b) Security Common Stock without par value    
Trading Symbol PEG    
Security Exchange Name NYSE    
9.25% First and Refunding Mortgage Bonds, Series CC, due 2021 | Public Service Electric and Gas Company      
Entity Information [Line Items]      
Title of 12(b) Security 9.25% First and Refunding Mortgage Bonds, Series CC, due 2021    
Trading Symbol PEG21    
Security Exchange Name NYSE    
8.00% First and Refunding Mortgage Bonds, due 2037 | Public Service Electric and Gas Company      
Entity Information [Line Items]      
Title of 12(b) Security 8.00% First and Refunding Mortgage Bonds, due 2037    
Trading Symbol PEG37D    
Security Exchange Name NYSE    
5.00% First and Refunding Mortgage Bonds, due 2037 | Public Service Electric and Gas Company      
Entity Information [Line Items]      
Title of 12(b) Security 5.00% First and Refunding Mortgage Bonds, due 2037    
Trading Symbol PEG37J    
Security Exchange Name NYSE    
8.625% Senior Notes, due 2031 | PSEG Power LLC      
Entity Information [Line Items]      
Title of 12(b) Security 8.625% Senior Notes, due 2031    
Trading Symbol PEG31    
Security Exchange Name NYSE