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Commitments And Contingent Liabilities (Environmental Matters) (Detail) $ in Millions | Jun. 30, 2021 USD ($) Plant mi
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Site Contingency [Line Items] |
Number of miles related to the Passaic River constituting a facility as determined by the US Environmental Protection Agency | mi | 17
Number of additional legal entities contacted by EPA in conjunction with Newark Bay study area contamination | 11
Passaic River Site Contingency [Member] |
Site Contingency [Line Items] |
Estimated Cleanup Costs EPA Preferred Method | $ 2,300
Accrual for Environmental Loss Contingencies | $ 66
Number Of Additional Potentially Responsible Parties Directed By New Jersey Department Of Environmental Protection To Arrange Damage Assessment For Lower Passaic River | 56
Passaic River Site Contingency [Member] | Public Service Electric and Gas Company [Member] |
Site Contingency [Line Items] |
Number of former generating electric station | Plant | 1
Accrual for Environmental Loss Contingencies | $ 53
Passaic River Site Contingency [Member] | PSEG Power [Member] |
Site Contingency [Line Items] |
Accrual for Environmental Loss Contingencies | $ 13
Pse G S Former Mgp Sites [Member] |
Site Contingency [Line Items] |
Aggregate Number Of Mgp Sites Identified For Cleanup By New Jersey Department Of Environmental Protection | 38
Mgp Remediation Site Contingency [Member] | Public Service Electric and Gas Company [Member] |
Site Contingency [Line Items] |
Remediation Liability Recorded As Other Current Liabilities | $ 89
Remediation Liability Recorded As Other Noncurrent Liabilities | 182
Regulatory Assets | 271
Minimum [Member] | Mgp Remediation Site Contingency [Member] | Public Service Electric and Gas Company [Member] |
Site Contingency [Line Items] |
Loss Contingency, Estimate of Possible Loss | 271
Accrual for Environmental Loss Contingencies | 271
Maximum [Member] | Mgp Remediation Site Contingency [Member] | Public Service Electric and Gas Company [Member] |
Site Contingency [Line Items] |
Loss Contingency, Estimate of Possible Loss | $ 309

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