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Asset Retirement Obligations (AROs) (Tables)
 12 Months Ended
Dec. 31, 2018
Asset Retirement Obligation [Abstract]  
Impact Of The Revisions On Asset Retirement Obligation
The changes to the ARO liabilities for PSEG, PSE&G and Power during 2017 and 2018 are presented in the following table:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PSEG
 
PSE&G
 
Power
 
Other
 
 
 
 
Millions
 
 
ARO Liability as of January 1, 2017
 
$
726

 
$
213

 
$
511

 
$
2

 
 
Liabilities Settled
 
(29
)
 
(8
)
 
(21
)
 
—

 
 
Liabilities Incurred
 
1

 
—

 
1

 
—

 
 
Accretion Expense
 
30

 
—

 
30

 
—

 
 
Accretion Expense Deferred and Recovered in Rate Base (A)
 
12

 
12

 
—

 
—

 
 
Revision to Present Values of Estimated Cash Flows
 
284

 
(5
)
 
289

 
—

 
 
ARO Liability as of December 31, 2017
 
$
1,024

 
$
212

 
$
810

 
$
2

 
 
Liabilities Settled
 
(10
)
 
(9
)
 
(1
)
 
—

 
 
Liabilities Incurred
 
1

 
—

 
1

 
—

 
 
Accretion Expense
 
41

 
—

 
41

 
—

 
 
Accretion Expense Deferred and Recovered in Rate Base (A)
 
12

 
12

 
—

 
—

 
 
Revision to Present Values of Estimated Cash Flows
 
(5
)
 
87

 
(93
)
 
1

 
 
ARO Liability as of December 31, 2018
 
$
1,063

 
$
302

 
$
758

 
$
3

 
 
 
 
 
 
 
 
 
 
 
 
(A)
Not reflected as expense in Consolidated Statements of Operations