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Income Taxes (Reconciliation Of Reported Income Tax Expense) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income Taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Income | $ 309 | $ 439 | $ 345 | $ 586 | $ 476 | $ 444 | $ 212 | $ 386 |  |  |
Net Income |  |  |  |  |  |  |  |  | $ 1,679 | $ 1,518 | $ 1,243
Federal |  |  |  |  |  |  |  |  | 243 | 335 | 487
State |  |  |  |  |  |  |  |  | 85 | 58 | 42
Total Current |  |  |  |  |  |  |  |  | 328 | 393 | 529
Federal |  |  |  |  |  |  |  |  | 540 | 262 | 147
State |  |  |  |  |  |  |  |  | 104 | 260 | 118
Total Deferred |  |  |  |  |  |  |  |  | 644 | 522 | 265
Investment tax credit |  |  |  |  |  |  |  |  | 29 | 23 | 18
Total Income Tax |  |  |  |  |  |  |  |  | 1,001 | 938 | 812
Pre-Tax Income |  |  |  |  |  |  |  |  | 2,680 | 2,456 | 2,055
Tax Computed at Statutory Rate @ 35% |  |  |  |  |  |  |  |  | 938 | 860 | 719
State Income Taxes (net of federal income tax) |  |  |  |  |  |  |  |  | 129 | 145 | 108
Uncertain Tax Positions |  |  |  |  |  |  |  |  | 7 | (9) | 10
Manufacturing Deduction |  |  |  |  |  |  |  |  | (10) | (16) | (9)
Nuclear Decommissioning Trust |  |  |  |  |  |  |  |  | 7 | 14 | 12
Plant-Related Items |  |  |  |  |  |  |  |  | (20) | (13) | (14)
Tax Credits |  |  |  |  |  |  |  |  | (13) | (14) | (9)
Audit Settlement |  |  |  |  |  |  |  |  | 0 | (12) | 0
Nuclear Decommissiong Tax Carryback |  |  |  |  |  |  |  |  | (33) | 0 | 0
Other |  |  |  |  |  |  |  |  | (4) | (17) | (5)
Sub-Total |  |  |  |  |  |  |  |  | 63 | 78 | 93
Total Income Tax Provision |  |  |  |  |  |  |  |  | $ 1,001 | $ 938 | $ 812
Effective income tax rate |  |  |  |  |  |  |  |  | 37.40% | 38.20% | 39.50%
PSE&G [Member] |  |  |  |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Income | 156 | 222 | 167 | 242 | 160 | 200 | 151 | 214 |  |  |
Net Income |  |  |  |  |  |  |  |  | $ 787 | $ 725 | $ 612
Federal |  |  |  |  |  |  |  |  | 32 | 124 | 183
State |  |  |  |  |  |  |  |  | 52 | 16 | 0
Total Current |  |  |  |  |  |  |  |  | 84 | 140 | 183
Federal |  |  |  |  |  |  |  |  | 325 | 214 | 101
State |  |  |  |  |  |  |  |  | 52 | 84 | 92
Total Deferred |  |  |  |  |  |  |  |  | 377 | 298 | 193
Investment tax credit |  |  |  |  |  |  |  |  | 9 | 11 | 5
Total Income Tax |  |  |  |  |  |  |  |  | 470 | 449 | 381
Pre-Tax Income |  |  |  |  |  |  |  |  | 1,257 | 1,174 | 993
Tax Computed at Statutory Rate @ 35% |  |  |  |  |  |  |  |  | 440 | 411 | 348
State Income Taxes (net of federal income tax) |  |  |  |  |  |  |  |  | 67 | 65 | 59
Uncertain Tax Positions |  |  |  |  |  |  |  |  | (14) | 0 | 0
Plant-Related Items |  |  |  |  |  |  |  |  | (20) | (13) | (14)
Tax Credits |  |  |  |  |  |  |  |  | (6) | (7) | (6)
Audit Settlement |  |  |  |  |  |  |  |  | 0 | 1 | 0
Other |  |  |  |  |  |  |  |  | 3 | (8) | (6)
Sub-Total |  |  |  |  |  |  |  |  | 30 | 38 | 33
Total Income Tax Provision |  |  |  |  |  |  |  |  | $ 470 | $ 449 | $ 381
Effective income tax rate |  |  |  |  |  |  |  |  | 37.40% | 38.20% | 38.40%
Power [Member] |  |  |  |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Income | $ 149 | $ 206 | $ 166 | $ 335 | $ 320 | $ 222 | $ 54 | $ 164 |  |  |
Net Income |  |  |  |  |  |  |  |  | $ 856 | $ 760 | $ 644
Federal |  |  |  |  |  |  |  |  | 220 | 231 | 262
State |  |  |  |  |  |  |  |  | 30 | 39 | 40
Total Current |  |  |  |  |  |  |  |  | 250 | 270 | 302
Federal |  |  |  |  |  |  |  |  | 189 | 163 | 69
State |  |  |  |  |  |  |  |  | 52 | 48 | 35
Total Deferred |  |  |  |  |  |  |  |  | 241 | 211 | 104
Investment tax credit |  |  |  |  |  |  |  |  | 20 | 10 | 13
Total Income Tax |  |  |  |  |  |  |  |  | 511 | 491 | 419
Pre-Tax Income |  |  |  |  |  |  |  |  | 1,367 | 1,251 | 1,063
Tax Computed at Statutory Rate @ 35% |  |  |  |  |  |  |  |  | 478 | 438 | 372
State Income Taxes (net of federal income tax) |  |  |  |  |  |  |  |  | 59 | 58 | 51
Uncertain Tax Positions |  |  |  |  |  |  |  |  | 22 | (8) | 3
Manufacturing Deduction |  |  |  |  |  |  |  |  | (10) | (16) | (10)
Nuclear Decommissioning Trust |  |  |  |  |  |  |  |  | 7 | 15 | 12
Tax Credits |  |  |  |  |  |  |  |  | (7) | (6) | (2)
Audit Settlement |  |  |  |  |  |  |  |  | 0 | (4) | 0
Nuclear Decommissiong Tax Carryback |  |  |  |  |  |  |  |  | (33) | 0 | 0
Other |  |  |  |  |  |  |  |  | (5) | 14 | (7)
Sub-Total |  |  |  |  |  |  |  |  | 33 | 53 | 47
Total Income Tax Provision |  |  |  |  |  |  |  |  | $ 511 | $ 491 | $ 419
Effective income tax rate |  |  |  |  |  |  |  |  | 37.40% | 39.20% | 39.40%

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- Definition Amount 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 attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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- Definition Amount 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 attributable to domestic income tax settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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- Definition The amount deducted from an entities' taxes, reflecting a percentage of an amount invested in certain assets spread over the useful life of those assets; includes deferred investment tax credits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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