XML 115 R94.htm IDEA: XBRL DOCUMENT v3.21.1
Financial Information By Business Segments (Financial Information By Business Segments) (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Segment Reporting Information [Line Items]      
Operating Revenues $ 2,889 $ 2,781  
Net Income (Loss) 648 448  
Property, Plant and Equipment, Additions 633 720  
Total Assets 50,206   $ 50,050
Investments in Equity Method Subsidiaries 66   64
Public Service Electric and Gas Company [Member]      
Segment Reporting Information [Line Items]      
Operating Revenues 2,073 1,883  
PSEG Power [Member]      
Segment Reporting Information [Line Items]      
Operating Revenues 1,167 1,220  
Other [Member]      
Segment Reporting Information [Line Items]      
Operating Revenues 151 156  
Operating Segments [Member] | Public Service Electric and Gas Company [Member]      
Segment Reporting Information [Line Items]      
Operating Revenues 2,073 1,883  
Net Income (Loss) 477 440  
Property, Plant and Equipment, Additions 586 620  
Total Assets 36,217   35,581
Investments in Equity Method Subsidiaries 0   0
Operating Segments [Member] | PSEG Power [Member]      
Segment Reporting Information [Line Items]      
Operating Revenues 1,167 1,220  
Net Income (Loss) 161 13  
Property, Plant and Equipment, Additions 46 97  
Total Assets 12,654   12,704
Investments in Equity Method Subsidiaries 66   64
Operating Segments [Member] | Other [Member]      
Segment Reporting Information [Line Items]      
Operating Revenues [1] 151 156  
Net Income (Loss) [1] 10 (5)  
Property, Plant and Equipment, Additions [1] 1 3  
Total Assets [1] 2,444   2,692
Investments in Equity Method Subsidiaries [1] 0   0
Eliminations [Member]      
Segment Reporting Information [Line Items]      
Operating Revenues [2] (502) (478)  
Net Income (Loss) [2] 0 0  
Property, Plant and Equipment, Additions [2] 0 0  
Total Assets [2] (1,109)   (927)
Investments in Equity Method Subsidiaries [2] 0   0
PSEG Power [Member]      
Segment Reporting Information [Line Items]      
Operating Revenues 1,167 1,220  
Net Income (Loss) 161 $ 13  
Total Assets $ 12,654   $ 12,704
[1] Includes amounts applicable to Energy Holdings and PSEG LI, which are below the quantitative threshold for separate disclosure as reportable segments. Other also includes amounts applicable to PSEG (parent company) and Services.
[2] Intercompany eliminations primarily relate to intercompany transactions between PSE&G and PSEG Power. For a further discussion of the intercompany transactions between PSE&G and PSEG Power, see Note 20. Related-Party Transactions.