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Litigation and Contingencies (Details)
$ in Millions
1 Months Ended 3 Months Ended
Sep. 29, 2023
USD ($)
Oct. 31, 2021
USD ($)
mi
Jun. 30, 2018
defendant
party
Sep. 30, 2017
recipient
Mar. 31, 2024
USD ($)
unit
entity
mi
Loss Contingencies [Line Items]          
Environmental remediation costs, estimate         $ 38
Number of general notice letter recipients | entity         100
Number of operable units | unit         4
Miles of river included in the remedial investigation and feasibility study | mi   9      
Loss contingency, estimate of possible loss   $ 441      
Number of parties sued (in parties) | party     100    
Number of defendants | defendant     42    
Standby letters of credit outstanding         $ 39
Lower Half of River          
Loss Contingencies [Line Items]          
Miles of river included in the remedial investigation and feasibility study | mi         17
Lower Passaic River Matter          
Loss Contingencies [Line Items]          
Miles of river included in the remedial investigation and feasibility study | mi         8.3
Number of general notice letter recipients involved in remedial investigation and feasibility study | recipient       80  
Lower Passaic River Matter - Selected Remedy for the Preferred Alternative          
Loss Contingencies [Line Items]          
Settlement amount         $ 1,400
Unfavorable Regulatory Action          
Loss Contingencies [Line Items]          
Civil penalty $ 13