v3.26.1
Financial Risk Management Activities - Schedule of Derivative Instruments Fair Value in Balance Sheets (Parenthetical) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Derivatives, Fair Value [Line Items]    
Collateral already posted, aggregate fair value $ 221 $ 222
Derivative, fair value, amount offset against collateral, net [1] 96 99
Other Noncurrent Assets    
Derivatives, Fair Value [Line Items]    
Derivative, fair value, amount offset against collateral, net (2)  
Other Current Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative, fair value, amount offset against collateral, net 82 14
Other Noncurrent Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative, fair value, amount offset against collateral, net $ 16 $ 85
[1] Represents the netting of fair value balances with the same counterparty (where the right of offset exists) and the application of cash collateral. All cash collateral (received) posted that has been allocated to derivative positions, where the right of offset exists, has been offset on the Condensed Consolidated Balance Sheets. As of March 31, 2026 and December 31, 2025, PSEG Power had net cash collateral (receipts) payments to counterparties of $221 million and $222 million, respectively. Of these net cash collateral (receipts) payments, $96 million as of March 31, 2026 and $99 million as of December 31, 2025 were netted against the corresponding net derivative contract positions. Of the $96 million as of March 31, 2026, $(2) million was netted against noncurrent assets, $82 million was netted against current liabilities and $16 million against noncurrent liabilities. Of the $99 million as of December 31, 2025, $14 million was netted against current liabilities and $85 million against noncurrent liabilities.