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Income Taxes | 6 Months Ended
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Jun. 30, 2018
Income Taxes [Line Items] |
Income Taxes | Income Taxes PSEG’s, PSE&G’s and Power’s effective tax rates for the three months and six months ended June 30, 2018 and 2017 were as follows:
|  | Three Months Ended |  | Six Months Ended |
|  | June 30, |  | June 30, |
|  | 2018 |  | 2017 |  | 2018 |  | 2017 |
| PSEG | 26.5% |  | 35.1% |  | 26.6% |  | 28.3% |
| PSE&G | 25.7% |  | 37.2% |  | 26.4% |  | 36.7% |
| Power | 31.7% |  | 39.0% |  | 27.1% |  | 40.0% |
For the three months and six months ended June 30, 2018, the differences in PSEG’s effective tax rates as compared to the same periods in the prior year were due primarily to the change in the statutory federal tax rate from 35% to 21% as a result of the Tax Act offset by changes in uncertain tax positions, plant-related items and tax credits. For the three months and six months ended June 30, 2018, the differences in PSEG’s effective tax rates as compared to the statutory tax rate of 28.11% were due primarily to plant-related items and tax credits. For the three months and six months ended June 30, 2018, the differences in PSE&G’s effective tax rates as compared to the same periods in the prior year were due primarily to the change in the statutory federal tax rate from 35% to 21% as a result of the Tax Act, offset by changes in uncertain tax positions, plant-related and other flow-through items. For the three months and six months ended June 30, 2018, the differences in PSE&G’s effective tax rate as compared to the statutory tax rate of 28.11% were due primarily to plant-related items and tax credits. For the three months and six months ended June 30, 2018, the differences in Power’s effective tax rates as compared to the same periods in the prior year were due primarily to the change in the statutory federal tax rate from 35% to 21% as a result of the Tax Act, as well as changes in uncertain tax positions. For the three months and six months ended June 30, 2018, the differences in Power’s effective tax rates as compared to the statutory tax rate of 28.11% were due primarily to changes in uncertain tax positions and tax credits. PSEG’s federal tax returns for the years 2011 and 2012 are currently being audited by the IRS. The audit and other related claims are reasonably expected to be completed within the next 12 months. As a result, it is reasonably possible that a decrease in PSEG’s total unrecognized tax benefits may be necessary in the range of $80 million to $150 million based on current estimates. In December 2017, the U.S. government enacted comprehensive tax legislation. The Tax Act establishes new tax laws that took effect in 2018, including, but not limited to (1) reduction of the U.S. federal corporate tax rate from a maximum of 35% to 21%; (2) elimination of the corporate alternative minimum tax; (3) a new limitation on deductible interest expense; (4) the repeal of the domestic production activity deduction; (5) limitations on the deductibility of certain executive compensation; and (6) limitations on net operating losses generated after December 31, 2017, to 80% of taxable income. In addition, certain changes were made to the bonus depreciation rules that will impact 2018. The SEC staff issued Staff Accounting Bulletin 118 (SAB 118), which provides guidance on accounting for the tax effects of the Tax Act. SAB 118 provides a measurement period that should not extend beyond one year from the Tax Act enactment date for companies to complete the accounting under ASC 740. PSEG, PSE&G and Power are subject to ASC 740. In accordance with SAB 118, PSEG, PSE&G and Power made reasonable, good faith estimates for which provisional amounts were recorded. PSEG’s accounting for certain elements of the Tax Act is incomplete. However, PSEG recorded provisional adjustments for the following: the tax rules regarding the appropriate bonus depreciation rate that should be applied to assets placed in service after September 27, 2017 for Power and PSE&G, including the information required to compute the applicable depreciable tax basis, and the impact on PSEG’s, PSE&G’s and Power’s deferred taxes associated with FIN 48 reserves. Further, the Tax Act is unclear in certain respects and will require interpretations and implementing regulations by the IRS, as well as state tax authorities. The Tax Act could also be subject to potential amendments and technical corrections which could impact PSEG, PSE&G and Power’s financial statements. The Protecting Americans from Tax Hikes Act of 2015 (2015 Tax Act), among other provisions, included an extension of the bonus depreciation rules and the 30% investment tax credit for qualified property placed into service after 2016. Qualified property that is placed into service from January 1, 2015 through December 31, 2017 is eligible for the 50% bonus depreciation. The provisions of the 2015 Tax Act have generated significant cash tax benefits for PSEG, PSE&G and Power through tax benefits related to the accelerated depreciation. For the period beginning September 28, 2017, subject to the transition rules, the Tax Act modified the bonus depreciation rules of the 2015 Tax Act. Subject to further guidance, it is expected that Power is entitled to 100% expensing and bonus depreciation will no longer apply to PSE&G. In July 2018, the State of New Jersey made significant changes to its income tax laws, including imposing a temporary surtax on allocated corporate taxable income of 2.5% effective January 1, 2018 and 2019 and 1.5% in 2020 and 2021, as well as requiring corporate taxpayers to file in a combined reporting group as defined under New Jersey law starting in 2019. Both provisions include an exemption for public utilities. At this time, PSEG believes PSE&G meets the definition of a public utility and, therefore, will not be impacted by the temporary surtax or be included in the combined reporting group. PSEG expects these new provisions to unfavorably affect its non-utility business as it continues to analyze this newly enacted law and the impact it will have on PSEG.
PSE And G [Member] |
Income Taxes [Line Items] |
Income Taxes | Income Taxes PSEG’s, PSE&G’s and Power’s effective tax rates for the three months and six months ended June 30, 2018 and 2017 were as follows:
|  | Three Months Ended |  | Six Months Ended |
|  | June 30, |  | June 30, |
|  | 2018 |  | 2017 |  | 2018 |  | 2017 |
| PSEG | 26.5% |  | 35.1% |  | 26.6% |  | 28.3% |
| PSE&G | 25.7% |  | 37.2% |  | 26.4% |  | 36.7% |
| Power | 31.7% |  | 39.0% |  | 27.1% |  | 40.0% |
For the three months and six months ended June 30, 2018, the differences in PSEG’s effective tax rates as compared to the same periods in the prior year were due primarily to the change in the statutory federal tax rate from 35% to 21% as a result of the Tax Act offset by changes in uncertain tax positions, plant-related items and tax credits. For the three months and six months ended June 30, 2018, the differences in PSEG’s effective tax rates as compared to the statutory tax rate of 28.11% were due primarily to plant-related items and tax credits. For the three months and six months ended June 30, 2018, the differences in PSE&G’s effective tax rates as compared to the same periods in the prior year were due primarily to the change in the statutory federal tax rate from 35% to 21% as a result of the Tax Act, offset by changes in uncertain tax positions, plant-related and other flow-through items. For the three months and six months ended June 30, 2018, the differences in PSE&G’s effective tax rate as compared to the statutory tax rate of 28.11% were due primarily to plant-related items and tax credits. For the three months and six months ended June 30, 2018, the differences in Power’s effective tax rates as compared to the same periods in the prior year were due primarily to the change in the statutory federal tax rate from 35% to 21% as a result of the Tax Act, as well as changes in uncertain tax positions. For the three months and six months ended June 30, 2018, the differences in Power’s effective tax rates as compared to the statutory tax rate of 28.11% were due primarily to changes in uncertain tax positions and tax credits. PSEG’s federal tax returns for the years 2011 and 2012 are currently being audited by the IRS. The audit and other related claims are reasonably expected to be completed within the next 12 months. As a result, it is reasonably possible that a decrease in PSEG’s total unrecognized tax benefits may be necessary in the range of $80 million to $150 million based on current estimates. In December 2017, the U.S. government enacted comprehensive tax legislation. The Tax Act establishes new tax laws that took effect in 2018, including, but not limited to (1) reduction of the U.S. federal corporate tax rate from a maximum of 35% to 21%; (2) elimination of the corporate alternative minimum tax; (3) a new limitation on deductible interest expense; (4) the repeal of the domestic production activity deduction; (5) limitations on the deductibility of certain executive compensation; and (6) limitations on net operating losses generated after December 31, 2017, to 80% of taxable income. In addition, certain changes were made to the bonus depreciation rules that will impact 2018. The SEC staff issued Staff Accounting Bulletin 118 (SAB 118), which provides guidance on accounting for the tax effects of the Tax Act. SAB 118 provides a measurement period that should not extend beyond one year from the Tax Act enactment date for companies to complete the accounting under ASC 740. PSEG, PSE&G and Power are subject to ASC 740. In accordance with SAB 118, PSEG, PSE&G and Power made reasonable, good faith estimates for which provisional amounts were recorded. PSEG’s accounting for certain elements of the Tax Act is incomplete. However, PSEG recorded provisional adjustments for the following: the tax rules regarding the appropriate bonus depreciation rate that should be applied to assets placed in service after September 27, 2017 for Power and PSE&G, including the information required to compute the applicable depreciable tax basis, and the impact on PSEG’s, PSE&G’s and Power’s deferred taxes associated with FIN 48 reserves. Further, the Tax Act is unclear in certain respects and will require interpretations and implementing regulations by the IRS, as well as state tax authorities. The Tax Act could also be subject to potential amendments and technical corrections which could impact PSEG, PSE&G and Power’s financial statements. The Protecting Americans from Tax Hikes Act of 2015 (2015 Tax Act), among other provisions, included an extension of the bonus depreciation rules and the 30% investment tax credit for qualified property placed into service after 2016. Qualified property that is placed into service from January 1, 2015 through December 31, 2017 is eligible for the 50% bonus depreciation. The provisions of the 2015 Tax Act have generated significant cash tax benefits for PSEG, PSE&G and Power through tax benefits related to the accelerated depreciation. For the period beginning September 28, 2017, subject to the transition rules, the Tax Act modified the bonus depreciation rules of the 2015 Tax Act. Subject to further guidance, it is expected that Power is entitled to 100% expensing and bonus depreciation will no longer apply to PSE&G. In July 2018, the State of New Jersey made significant changes to its income tax laws, including imposing a temporary surtax on allocated corporate taxable income of 2.5% effective January 1, 2018 and 2019 and 1.5% in 2020 and 2021, as well as requiring corporate taxpayers to file in a combined reporting group as defined under New Jersey law starting in 2019. Both provisions include an exemption for public utilities. At this time, PSEG believes PSE&G meets the definition of a public utility and, therefore, will not be impacted by the temporary surtax or be included in the combined reporting group. PSEG expects these new provisions to unfavorably affect its non-utility business as it continues to analyze this newly enacted law and the impact it will have on PSEG.
Power [Member] |
Income Taxes [Line Items] |
Income Taxes | Income Taxes PSEG’s, PSE&G’s and Power’s effective tax rates for the three months and six months ended June 30, 2018 and 2017 were as follows:
|  | Three Months Ended |  | Six Months Ended |
|  | June 30, |  | June 30, |
|  | 2018 |  | 2017 |  | 2018 |  | 2017 |
| PSEG | 26.5% |  | 35.1% |  | 26.6% |  | 28.3% |
| PSE&G | 25.7% |  | 37.2% |  | 26.4% |  | 36.7% |
| Power | 31.7% |  | 39.0% |  | 27.1% |  | 40.0% |
For the three months and six months ended June 30, 2018, the differences in PSEG’s effective tax rates as compared to the same periods in the prior year were due primarily to the change in the statutory federal tax rate from 35% to 21% as a result of the Tax Act offset by changes in uncertain tax positions, plant-related items and tax credits. For the three months and six months ended June 30, 2018, the differences in PSEG’s effective tax rates as compared to the statutory tax rate of 28.11% were due primarily to plant-related items and tax credits. For the three months and six months ended June 30, 2018, the differences in PSE&G’s effective tax rates as compared to the same periods in the prior year were due primarily to the change in the statutory federal tax rate from 35% to 21% as a result of the Tax Act, offset by changes in uncertain tax positions, plant-related and other flow-through items. For the three months and six months ended June 30, 2018, the differences in PSE&G’s effective tax rate as compared to the statutory tax rate of 28.11% were due primarily to plant-related items and tax credits. For the three months and six months ended June 30, 2018, the differences in Power’s effective tax rates as compared to the same periods in the prior year were due primarily to the change in the statutory federal tax rate from 35% to 21% as a result of the Tax Act, as well as changes in uncertain tax positions. For the three months and six months ended June 30, 2018, the differences in Power’s effective tax rates as compared to the statutory tax rate of 28.11% were due primarily to changes in uncertain tax positions and tax credits. PSEG’s federal tax returns for the years 2011 and 2012 are currently being audited by the IRS. The audit and other related claims are reasonably expected to be completed within the next 12 months. As a result, it is reasonably possible that a decrease in PSEG’s total unrecognized tax benefits may be necessary in the range of $80 million to $150 million based on current estimates. In December 2017, the U.S. government enacted comprehensive tax legislation. The Tax Act establishes new tax laws that took effect in 2018, including, but not limited to (1) reduction of the U.S. federal corporate tax rate from a maximum of 35% to 21%; (2) elimination of the corporate alternative minimum tax; (3) a new limitation on deductible interest expense; (4) the repeal of the domestic production activity deduction; (5) limitations on the deductibility of certain executive compensation; and (6) limitations on net operating losses generated after December 31, 2017, to 80% of taxable income. In addition, certain changes were made to the bonus depreciation rules that will impact 2018. The SEC staff issued Staff Accounting Bulletin 118 (SAB 118), which provides guidance on accounting for the tax effects of the Tax Act. SAB 118 provides a measurement period that should not extend beyond one year from the Tax Act enactment date for companies to complete the accounting under ASC 740. PSEG, PSE&G and Power are subject to ASC 740. In accordance with SAB 118, PSEG, PSE&G and Power made reasonable, good faith estimates for which provisional amounts were recorded. PSEG’s accounting for certain elements of the Tax Act is incomplete. However, PSEG recorded provisional adjustments for the following: the tax rules regarding the appropriate bonus depreciation rate that should be applied to assets placed in service after September 27, 2017 for Power and PSE&G, including the information required to compute the applicable depreciable tax basis, and the impact on PSEG’s, PSE&G’s and Power’s deferred taxes associated with FIN 48 reserves. Further, the Tax Act is unclear in certain respects and will require interpretations and implementing regulations by the IRS, as well as state tax authorities. The Tax Act could also be subject to potential amendments and technical corrections which could impact PSEG, PSE&G and Power’s financial statements. The Protecting Americans from Tax Hikes Act of 2015 (2015 Tax Act), among other provisions, included an extension of the bonus depreciation rules and the 30% investment tax credit for qualified property placed into service after 2016. Qualified property that is placed into service from January 1, 2015 through December 31, 2017 is eligible for the 50% bonus depreciation. The provisions of the 2015 Tax Act have generated significant cash tax benefits for PSEG, PSE&G and Power through tax benefits related to the accelerated depreciation. For the period beginning September 28, 2017, subject to the transition rules, the Tax Act modified the bonus depreciation rules of the 2015 Tax Act. Subject to further guidance, it is expected that Power is entitled to 100% expensing and bonus depreciation will no longer apply to PSE&G. In July 2018, the State of New Jersey made significant changes to its income tax laws, including imposing a temporary surtax on allocated corporate taxable income of 2.5% effective January 1, 2018 and 2019 and 1.5% in 2020 and 2021, as well as requiring corporate taxpayers to file in a combined reporting group as defined under New Jersey law starting in 2019. Both provisions include an exemption for public utilities. At this time, PSEG believes PSE&G meets the definition of a public utility and, therefore, will not be impacted by the temporary surtax or be included in the combined reporting group. PSEG expects these new provisions to unfavorably affect its non-utility business as it continues to analyze this newly enacted law and the impact it will have on PSEG.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 + Details
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