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Valuation And Qualifying Accounts
 12 Months Ended
Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Valuation And Qualifying Accounts
Schedule II—Valuation and Qualifying Accounts Years Ended December 31, 2021—December 31, 2019
PUBLIC SERVICE ENTERPRISE GROUP INCORPORATED
Column AColumn BColumn C AdditionsColumn D Column E
DescriptionBalance at
Beginning of
Period		Charged to
cost and
expenses		Charged to
other
accounts-
describe		Deductions-
describe		Balance at
End of
Period
 Millions
2021
Allowance for Credit Losses$206 $195 (A)$— $64 (B) $337 
Materials and Supplies Valuation Reserve10 3 — 1 (C)12 
2020
Allowance for Credit Losses$68 (D)$175 (A)$— $37 (B) $206 
Materials and Supplies Valuation Reserve11 1 — 2 (C) 10 
2019
Allowance for Credit Losses$63 $87 (A)$— $90 (B) $60 
Materials and Supplies Valuation Reserve9 3 — 1 (C)11 
(A)For a discussion of bad debt recoveries, see Note 1. Organization, Basis of Presentation and Summary of Significant Accounting Policies.
(B)Accounts Receivable written off.
(C)Reduce reserve to appropriate level and to remove obsolete inventory.
(D)Includes $8 million due to the adoption of ASU 2016-13.
PUBLIC SERVICE ELECTRIC AND GAS COMPANY
Column AColumn BColumn C AdditionsColumn DColumn E
DescriptionBalance at
Beginning
of Period		Charged to
cost and
expenses		Charged to
other
accounts-
describe		Deductions-
describe		Balance at
End of
Period
Millions
2021
Allowance for Credit Losses$206 $195 (A)$— $64 (B)$337 
Materials and Supplies Valuation Reserve2 2 — 1 (C)3 
2020
Allowance for Credit Losses
$68 (D)$175 (A)$— $37 (B)$206 
Materials and Supplies Valuation Reserve2 — — — 2 
2019
Allowance for Credit Losses$63 $87 (A)$— $90 (B)$60 
Materials and Supplies Valuation Reserve2 — — — 2 
(A)For a discussion of bad debt recoveries, see Note 1. Organization, Basis of Presentation and Summary of Significant Accounting Policies.
(B)Accounts Receivable written off.
(C)Reduce reserve to appropriate level and to remove obsolete inventory.
(D)Includes $8 million due to the adoption of ASU 2016-13.