Bonus Depreciation For Tax Purposes

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- Definition

The amount of tax expense resulting from the settlement of an income tax examination

+ References

No definition available.

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

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-Publisher FASB

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- Definition

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

+ References

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The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

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-Paragraph 15

-Subparagraph (c)

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

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-Paragraph 3

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

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-Paragraph 15A

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)(3)

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- Definition

The net amount of all increases and decreases in unrecognized tax benefits for the period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

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Income Taxes (Narrative) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended			16 Months Ended
	Sep. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Sep. 09, 2014
Income Taxes [Line Items]
Unrecognized Tax Benefits, Period Increase (Decrease)		$ 59
Net operating loss carryforwards		243us-gaap_OperatingLossCarryforwards
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority						121
Income Tax Examination, Tax Expense	(12)pseg_IncomeTaxExaminationTaxExpense
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities		60	0	389
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions		190	30	173
PSEG [Member]
Income Taxes [Line Items]
Federal income tax rate		35.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes		9.00%
Bonus depreciation for tax purposes		50.00%			100.00%
Power [Member]
Income Taxes [Line Items]
Unrecognized Tax Benefits, Period Increase (Decrease)			2
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities		24	0	10
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions		80	19	7
PSE&G [Member]
Income Taxes [Line Items]
Unrecognized Tax Benefits, Period Increase (Decrease)				23
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities		32	0	0
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions		$ 92	$ 9	$ 47