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Commitments And Contingent Liabilities (Environmental Matters) (Detail) $ in Millions | Mar. 31, 2019 USD ($) Potentially_Responsible_Party entity site Station 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 | entity | 11
Number of operating electric generating stations located on Hackensack River | Station | 2
Number of former MGP contamination sites located on Hackensack river in conjunction with Newark Bay study area contamination | site | 1
PSE And G [Member] |
Site Contingency [Line Items] |
Percentage of cost attributable to potentially responsible party | 7.60%
Pse G S Former Mgp Sites [Member] | Power [Member] |
Site Contingency [Line Items] |
Percentage of cost attributable to potentially responsible party | 1.90%
Passaic River Site Contingency [Member] |
Site Contingency [Line Items] |
Estimated Cleanup Costs EPA Preferred Method | $ 2,300
Accrual for Environmental Loss Contingencies | $ 57
Number Of Additional Potentially Responsible Parties Directed By New Jersey Department Of Environmental Protection To Arrange Damage Assessment For Lower Passaic River | Potentially_Responsible_Party | 56
Estimated cost of interim natural resource injury restoration | $ 950
Passaic River Site Contingency [Member] | PSE And G [Member] |
Site Contingency [Line Items] |
Number of former generating electric station | Plant | 1
Number of former Manufactured Gas Plant (MGP) sites | Plant | 4
Accrual for Environmental Loss Contingencies | $ 46
Passaic River Site Contingency [Member] | Power [Member] |
Site Contingency [Line Items] |
Accrual for Environmental Loss Contingencies | 11
Mgp Remediation Site Contingency [Member] | PSE And G [Member] |
Site Contingency [Line Items] |
Remediation Liability Recorded As Other Current Liabilities | 52
Remediation Liability Recorded As Other Noncurrent Liabilities | 301
Regulatory Assets | 353
Minimum [Member] | Passaic River Site Contingency [Member] |
Site Contingency [Line Items] |
Loss Contingency, Estimate of Possible Loss | 518
Minimum [Member] | Mgp Remediation Site Contingency [Member] | PSE And G [Member] |
Site Contingency [Line Items] |
Loss Contingency, Estimate of Possible Loss | 353
Accrual for Environmental Loss Contingencies | 353
Maximum [Member] | Passaic River Site Contingency [Member] |
Site Contingency [Line Items] |
Loss Contingency, Estimate of Possible Loss | 3,200
Claim against Tierra and Maxus amount | 14,000
Maximum [Member] | Mgp Remediation Site Contingency [Member] | PSE And G [Member] |
Site Contingency [Line Items] |
Loss Contingency, Estimate of Possible Loss | $ 404

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