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Accumulated Other Comprehensive Income (Loss), Net of Tax
 3 Months Ended
Mar. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated Other Comprehensive Income (Loss), Net of Tax
 
 
 
 
 
 
 
 
 
 
 
 
PSEG
 
Other Comprehensive Income (Loss)
 
 
 
 
Three Months Ended March 31, 2018
 
 
Accumulated Other Comprehensive Income (Loss)
 
Cash Flow Hedges
 
Pension and OPEB Plans
 
Available-for-Sale Securities
 
Total
 
 
 
 
Millions
 
 
Balance as of December 31, 2017
 
$
—

 
$
(406
)
 
$
177

 
$
(229
)
 
 
Cumulative Effect Adjustment to Reclassify Unrealized Net Gains on Equity Investments to Retained Earnings
 
—

 
—

 
(176
)
 
(176
)
 
 
Current Period Other Comprehensive Income (Loss)
 
 
 
 
 
 
 
 
 
 
Other Comprehensive Income before Reclassifications
 
—

 
—

 
(16
)
 
(16
)
 
 
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
—

 
8

 
2

 
10

 
 
Net Current Period Other Comprehensive Income (Loss)
 
—

 
8

 
(14
)
 
(6
)
 
 
Net Change in Accumulative Other Comprehensive Income (Loss)
 
—

 
8

 
(190
)
 
(182
)
 
 
Balance as of March 31, 2018
 
$
—

 
$
(398
)
 
$
(13
)
 
$
(411
)
 
 
 
 
 
 
 
 
 
 
 
 
 
PSEG
 
Other Comprehensive Income (Loss)
 
 
 
 
Three Months Ended March 31, 2017
 
 
Accumulated Other Comprehensive Income (Loss)
 
Cash Flow Hedges
 
Pension and OPEB Plans
 
Available-for-Sale Securities
 
Total
 
 
 
 
Millions
 
 
Balance as of December 31, 2016
 
$
2

 
$
(398
)
 
$
133

 
$
(263
)
 
 
Other Comprehensive Income before Reclassifications
 
—

 
—

 
30

 
30

 
 
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
—

 
6

 
(15
)
 
(9
)
 
 
Net Current Period Other Comprehensive Income (Loss)
 
—

 
6

 
15

 
21

 
 
Balance as of March 31, 2017
 
$
2

 
$
(392
)
 
$
148

 
$
(242
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Power
 
Other Comprehensive Income (Loss)
 
 
 
 
Three Months Ended March 31, 2018
 
 
Accumulated Other Comprehensive Income (Loss)
 
Cash Flow Hedges
 
Pension and OPEB Plans
 
Available-for-Sale Securities
 
Total
 
 
 
 
Millions
 
 
Balance as of December 31, 2017
 
$
—

 
$
(347
)
 
$
175

 
$
(172
)
 
 
Cumulative Effect Adjustment to Reclassify Unrealized Net Gains on Equity Investments to Retained Earnings
 
—

 
—

 
(175
)
 
(175
)
 
 
Current Period Other Comprehensive Income (Loss)
 
 
 
 
 
 
 
 
 
 
Other Comprehensive Income before Reclassifications
 
—

 
—

 
(13
)
 
(13
)
 
 
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
—

 
6

 
2

 
8

 
 
Net Current Period Other Comprehensive Income (Loss)
 
—

 
6

 
(11
)
 
(5
)
 
 
Net Change in Accumulative Other Comprehensive Income (Loss)
 
—

 
6

 
(186
)
 
(180
)
 
 
Balance as of March 31, 2018
 
$
—

 
$
(341
)
 
$
(11
)
 
$
(352
)
 
 
 
 
 
 
 
 
 
 
 
 
 
Power
 
Other Comprehensive Income (Loss)
 
 
 
 
Three Months Ended March 31, 2017
 
 
Accumulated Other Comprehensive Income (Loss)
 
Cash Flow Hedges
 
Pension and OPEB Plans
 
Available-for-Sale Securities
 
Total
 
 
 
 
Millions
 
 
Balance as of December 31, 2016
 
$
—

 
$
(340
)
 
$
129

 
$
(211
)
 
 
Other Comprehensive Income before Reclassifications
 
—

 
—

 
28

 
28

 
 
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
—

 
5

 
(9
)
 
(4
)
 
 
Net Current Period Other Comprehensive Income (Loss)
 
—

 
5

 
19

 
24

 
 
Balance as of March 31, 2017
 
$
—

 
$
(335
)
 
$
148

 
$
(187
)
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
PSEG
 
 
 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) to Income Statement
 
 
 
 
 
 
Three Months Ended
 
 
Description of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
Location of Pre-Tax Amount In Statement of Operations
 
March 31, 2018
 
 
 
 
Pre-Tax Amount
 
Tax (Expense) Benefit
 
After-Tax Amount
 
 
 
 
 
Millions
 
 
Pension and OPEB Plans
 
 
 
 
 
 
 
 
Amortization of Prior Service (Cost) Credit
 
Non-Operating Pension and OPEB Credits (Costs)

 
$
1

 
$
—

 
$
1

 
    
Amortization of Actuarial Loss
 
Non-Operating Pension and OPEB Credits (Costs)

 
(12
)
 
3

 
(9
)
 
 
Total Pension and OPEB Plans
 
(11
)
 
3

 
(8
)
 
 
Available-for-Sale Debt Securities
 
 
 
 
 
 
 
 
Realized Gains (Losses)
 
Net Gains (Losses) on Trust Investments

 
(4
)
 
2

 
(2
)
 
 
Total Available-for-Sale Debt Securities
 
(4
)
 
2

 
(2
)
 
 
Total
 
 
 
$
(15
)
 
$
5

 
$
(10
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PSEG
 
 
 
 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) to Income Statement
 
 
 
 
 
 
Three Months Ended
 
 
Description of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
Location of Pre-Tax Amount In Statement of Operations
 
March 31, 2017
 
 
 
 
Pre-Tax Amount
 
Tax (Expense) Benefit
 
After-Tax Amount
 
 
 
 
 
 
Millions
 
 
Pension and OPEB Plans
 
 
 
 
 
 
 
 
 
 
Amortization of Prior Service (Cost) Credit
 
Non-Operating Pension and OPEB Credits (Costs)

 
$
2

 
$
(1
)
 
$
1

 
    
Amortization of Actuarial Loss
 
Non-Operating Pension and OPEB Credits (Costs)

 
(12
)
 
5

 
(7
)
 
 
Total Pension and OPEB Plans
 
(10
)
 
4

 
(6
)
 
 
Available-for-Sale Securities
 
 
 
 
 
 
 
 
Realized Gains (Losses) and OTTI

 
Net Gains (Losses) on Trust Investments

 
28

 
(13
)
 
15

 
 
Total Available-for-Sale Securities
 
28

 
(13
)
 
15

 
 
Total
 
 
 
$
18

 
$
(9
)
 
$
9

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Power
 
 
 
 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) to Income Statement
 
 
 
 
 
 
Three Months Ended
 
 
Description of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
Location of Pre-Tax Amount In Statement of Operations
 
March 31, 2018
 
 
 
 
Pre-Tax Amount
 
Tax (Expense) Benefit
 
After-Tax Amount
 
 
 
 
 
 
Millions
 
 
Pension and OPEB Plans
 
 
 
 
 
 
 
 
 
 
Amortization of Prior Service (Cost) Credit
 
Non-Operating Pension and OPEB Credits (Costs)

 
$
1

 
$
—

 
$
1

 
    
Amortization of Actuarial Loss
 
Non-Operating Pension and OPEB Credits (Costs)

 
(10
)
 
3

 
(7
)
 
 
Total Pension and OPEB Plans
 
(9
)
 
3

 
(6
)
 
 
Available-for-Sale Debt Securities
 
 
 
 
 
 
 
 
Realized Gains (Losses)
 
Net Gains (Losses) on Trust Investments

 
(4
)
 
2

 
(2
)
 
 
Total Available-for-Sale Debt Securities
 
(4
)
 
2

 
(2
)
 
 
Total
 
 
 
$
(13
)
 
$
5

 
$
(8
)
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
Power
 
 
 
 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) to Income Statement
 
 
 
 
 
 
Three Months Ended
 
 
Description of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
Location of Pre-Tax Amount In Statement of Operations
 
March 31, 2017
 
 
 
 
Pre-Tax Amount
 
Tax (Expense) Benefit
 
After-Tax Amount
 
 
 
 
 
 
Millions
 
 
Pension and OPEB Plans
 
 
 
 
 
 
 
 
 
 
Amortization of Prior Service (Cost) Credit
 
Non-Operating Pension and OPEB Credits (Costs)

 
$
2

 
$
(1
)
 
$
1

 
    
Amortization of Actuarial Loss
 
Non-Operating Pension and OPEB Credits (Costs)

 
(11
)
 
5

 
(6
)
 
 
Total Pension and OPEB Plans
 
(9
)
 
4

 
(5
)
 
 
Available-for-Sale Securities
 
 
 
 
 
 
 
 
Realized Gains (Losses) and OTTI
 
Net Gains (Losses) on Trust Investments
 
19

 
(10
)
 
9

 
 
Total Available-for-Sale Securities
 
19

 
(10
)
 
9

 
 
Total
 
 
 
$
10

 
$
(6
)
 
$
4

 
 
 
 
 
 
 
 
 
 
 
 
Power [Member]  
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated Other Comprehensive Income (Loss), Net of Tax
 
 
 
 
 
 
 
 
 
 
 
 
PSEG
 
Other Comprehensive Income (Loss)
 
 
 
 
Three Months Ended March 31, 2018
 
 
Accumulated Other Comprehensive Income (Loss)
 
Cash Flow Hedges
 
Pension and OPEB Plans
 
Available-for-Sale Securities
 
Total
 
 
 
 
Millions
 
 
Balance as of December 31, 2017
 
$
—

 
$
(406
)
 
$
177

 
$
(229
)
 
 
Cumulative Effect Adjustment to Reclassify Unrealized Net Gains on Equity Investments to Retained Earnings
 
—

 
—

 
(176
)
 
(176
)
 
 
Current Period Other Comprehensive Income (Loss)
 
 
 
 
 
 
 
 
 
 
Other Comprehensive Income before Reclassifications
 
—

 
—

 
(16
)
 
(16
)
 
 
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
—

 
8

 
2

 
10

 
 
Net Current Period Other Comprehensive Income (Loss)
 
—

 
8

 
(14
)
 
(6
)
 
 
Net Change in Accumulative Other Comprehensive Income (Loss)
 
—

 
8

 
(190
)
 
(182
)
 
 
Balance as of March 31, 2018
 
$
—

 
$
(398
)
 
$
(13
)
 
$
(411
)
 
 
 
 
 
 
 
 
 
 
 
 
 
PSEG
 
Other Comprehensive Income (Loss)
 
 
 
 
Three Months Ended March 31, 2017
 
 
Accumulated Other Comprehensive Income (Loss)
 
Cash Flow Hedges
 
Pension and OPEB Plans
 
Available-for-Sale Securities
 
Total
 
 
 
 
Millions
 
 
Balance as of December 31, 2016
 
$
2

 
$
(398
)
 
$
133

 
$
(263
)
 
 
Other Comprehensive Income before Reclassifications
 
—

 
—

 
30

 
30

 
 
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
—

 
6

 
(15
)
 
(9
)
 
 
Net Current Period Other Comprehensive Income (Loss)
 
—

 
6

 
15

 
21

 
 
Balance as of March 31, 2017
 
$
2

 
$
(392
)
 
$
148

 
$
(242
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Power
 
Other Comprehensive Income (Loss)
 
 
 
 
Three Months Ended March 31, 2018
 
 
Accumulated Other Comprehensive Income (Loss)
 
Cash Flow Hedges
 
Pension and OPEB Plans
 
Available-for-Sale Securities
 
Total
 
 
 
 
Millions
 
 
Balance as of December 31, 2017
 
$
—

 
$
(347
)
 
$
175

 
$
(172
)
 
 
Cumulative Effect Adjustment to Reclassify Unrealized Net Gains on Equity Investments to Retained Earnings
 
—

 
—

 
(175
)
 
(175
)
 
 
Current Period Other Comprehensive Income (Loss)
 
 
 
 
 
 
 
 
 
 
Other Comprehensive Income before Reclassifications
 
—

 
—

 
(13
)
 
(13
)
 
 
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
—

 
6

 
2

 
8

 
 
Net Current Period Other Comprehensive Income (Loss)
 
—

 
6

 
(11
)
 
(5
)
 
 
Net Change in Accumulative Other Comprehensive Income (Loss)
 
—

 
6

 
(186
)
 
(180
)
 
 
Balance as of March 31, 2018
 
$
—

 
$
(341
)
 
$
(11
)
 
$
(352
)
 
 
 
 
 
 
 
 
 
 
 
 
 
Power
 
Other Comprehensive Income (Loss)
 
 
 
 
Three Months Ended March 31, 2017
 
 
Accumulated Other Comprehensive Income (Loss)
 
Cash Flow Hedges
 
Pension and OPEB Plans
 
Available-for-Sale Securities
 
Total
 
 
 
 
Millions
 
 
Balance as of December 31, 2016
 
$
—

 
$
(340
)
 
$
129

 
$
(211
)
 
 
Other Comprehensive Income before Reclassifications
 
—

 
—

 
28

 
28

 
 
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
—

 
5

 
(9
)
 
(4
)
 
 
Net Current Period Other Comprehensive Income (Loss)
 
—

 
5

 
19

 
24

 
 
Balance as of March 31, 2017
 
$
—

 
$
(335
)
 
$
148

 
$
(187
)
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
PSEG
 
 
 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) to Income Statement
 
 
 
 
 
 
Three Months Ended
 
 
Description of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
Location of Pre-Tax Amount In Statement of Operations
 
March 31, 2018
 
 
 
 
Pre-Tax Amount
 
Tax (Expense) Benefit
 
After-Tax Amount
 
 
 
 
 
Millions
 
 
Pension and OPEB Plans
 
 
 
 
 
 
 
 
Amortization of Prior Service (Cost) Credit
 
Non-Operating Pension and OPEB Credits (Costs)

 
$
1

 
$
—

 
$
1

 
    
Amortization of Actuarial Loss
 
Non-Operating Pension and OPEB Credits (Costs)

 
(12
)
 
3

 
(9
)
 
 
Total Pension and OPEB Plans
 
(11
)
 
3

 
(8
)
 
 
Available-for-Sale Debt Securities
 
 
 
 
 
 
 
 
Realized Gains (Losses)
 
Net Gains (Losses) on Trust Investments

 
(4
)
 
2

 
(2
)
 
 
Total Available-for-Sale Debt Securities
 
(4
)
 
2

 
(2
)
 
 
Total
 
 
 
$
(15
)
 
$
5

 
$
(10
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PSEG
 
 
 
 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) to Income Statement
 
 
 
 
 
 
Three Months Ended
 
 
Description of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
Location of Pre-Tax Amount In Statement of Operations
 
March 31, 2017
 
 
 
 
Pre-Tax Amount
 
Tax (Expense) Benefit
 
After-Tax Amount
 
 
 
 
 
 
Millions
 
 
Pension and OPEB Plans
 
 
 
 
 
 
 
 
 
 
Amortization of Prior Service (Cost) Credit
 
Non-Operating Pension and OPEB Credits (Costs)

 
$
2

 
$
(1
)
 
$
1

 
    
Amortization of Actuarial Loss
 
Non-Operating Pension and OPEB Credits (Costs)

 
(12
)
 
5

 
(7
)
 
 
Total Pension and OPEB Plans
 
(10
)
 
4

 
(6
)
 
 
Available-for-Sale Securities
 
 
 
 
 
 
 
 
Realized Gains (Losses) and OTTI

 
Net Gains (Losses) on Trust Investments

 
28

 
(13
)
 
15

 
 
Total Available-for-Sale Securities
 
28

 
(13
)
 
15

 
 
Total
 
 
 
$
18

 
$
(9
)
 
$
9

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Power
 
 
 
 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) to Income Statement
 
 
 
 
 
 
Three Months Ended
 
 
Description of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
Location of Pre-Tax Amount In Statement of Operations
 
March 31, 2018
 
 
 
 
Pre-Tax Amount
 
Tax (Expense) Benefit
 
After-Tax Amount
 
 
 
 
 
 
Millions
 
 
Pension and OPEB Plans
 
 
 
 
 
 
 
 
 
 
Amortization of Prior Service (Cost) Credit
 
Non-Operating Pension and OPEB Credits (Costs)

 
$
1

 
$
—

 
$
1

 
    
Amortization of Actuarial Loss
 
Non-Operating Pension and OPEB Credits (Costs)

 
(10
)
 
3

 
(7
)
 
 
Total Pension and OPEB Plans
 
(9
)
 
3

 
(6
)
 
 
Available-for-Sale Debt Securities
 
 
 
 
 
 
 
 
Realized Gains (Losses)
 
Net Gains (Losses) on Trust Investments

 
(4
)
 
2

 
(2
)
 
 
Total Available-for-Sale Debt Securities
 
(4
)
 
2

 
(2
)
 
 
Total
 
 
 
$
(13
)
 
$
5

 
$
(8
)
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
Power
 
 
 
 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) to Income Statement
 
 
 
 
 
 
Three Months Ended
 
 
Description of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
Location of Pre-Tax Amount In Statement of Operations
 
March 31, 2017
 
 
 
 
Pre-Tax Amount
 
Tax (Expense) Benefit
 
After-Tax Amount
 
 
 
 
 
 
Millions
 
 
Pension and OPEB Plans
 
 
 
 
 
 
 
 
 
 
Amortization of Prior Service (Cost) Credit
 
Non-Operating Pension and OPEB Credits (Costs)

 
$
2

 
$
(1
)
 
$
1

 
    
Amortization of Actuarial Loss
 
Non-Operating Pension and OPEB Credits (Costs)

 
(11
)
 
5

 
(6
)
 
 
Total Pension and OPEB Plans
 
(9
)
 
4

 
(5
)
 
 
Available-for-Sale Securities
 
 
 
 
 
 
 
 
Realized Gains (Losses) and OTTI
 
Net Gains (Losses) on Trust Investments
 
19

 
(10
)
 
9

 
 
Total Available-for-Sale Securities
 
19

 
(10
)
 
9

 
 
Total
 
 
 
$
10

 
$
(6
)
 
$
4