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Income Taxes (Deferred Income Tax) (Details) - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Income Taxes [Line Items] |  |
Current (net) | $ 0 | $ 11
OPEB | 256 | 269
Related to Uncertain Tax Positions | 160 | 160
Deferred Tax Assets - Securitization Overcollection | 27 | 55
Total Noncurrent Assets | 443 | 484
Total Assets | 443 | 495
Current (net) | 0 | 173
Current Deferred Tax Liabilities Securitization | 0 | 163
Current Deferred Tax Liabilities Other | 0 | 10
Plant-Related Items | 6,174 | 5,422
New Jersey Corporate Business Tax | 615 | 535
Leasing Activities | 612 | 623
Pension Costs | 218 | 219
AROs and NDT Fund | 393 | 419
Taxes Recoverable Through Future Rate (net) | 191 | 196
Deferred Tax Liabilities, Other | 244 | 240
Total Non-Current Liabilities | 8,447 | 7,654
Total Liabilities | 8,447 | 7,827
Net Current Deferred Tax Assets | 0 | 11
Net Current Deferred Income Tax Liabilities | 0 | 173
Net Noncurrent Deferred Income Tax Liabilities | 8,004 | 7,170
Accumulated Deferred Investment Tax Credit | 162 | 133
Net Total Noncurrent Deferred Income Taxes and ITC | 8,166 | 7,303
PSE&G [Member] |  |
Income Taxes [Line Items] |  |
Current (net) | 0 | 24
OPEB | 164 | 173
Deferred Tax Assets - Securitization Overcollection | 27 | 55
Total Noncurrent Assets | 191 | 228
Total Assets | 191 | 252
Current (net) | 0 | 165
Current Deferred Tax Liabilities Securitization | 0 | 163
Current Deferred Tax Liabilities Other | 0 | 2
Plant-Related Items | 4,435 | 3,869
New Jersey Corporate Business Tax | 312 | 268
Conservation Costs | 40 | 48
Pension Costs | 262 | 269
Taxes Recoverable Through Future Rate (net) | 191 | 196
Deferred Tax Liabilities, Other | 54 | 84
Total Non-Current Liabilities | 5,294 | 4,734
Total Liabilities | 5,294 | 4,899
Net Current Deferred Tax Assets | 0 | 24
Net Current Deferred Income Tax Liabilities | 0 | 165
Net Noncurrent Deferred Income Tax Liabilities | 5,103 | 4,506
Accumulated Deferred Investment Tax Credit | 78 | 69
Net Total Noncurrent Deferred Income Taxes and ITC | 5,181 | 4,575
Power [Member] |  |
Income Taxes [Line Items] |  |
Current (net) | 0 | 0
Contractual Liabilities & Environmental Costs | 18 | 18
Related to Uncertain Tax Positions | 47 | 23
Other | 0 | 70
Total Noncurrent Assets | 121 | 163
Total Assets | 121 | 163
Current (net) | 0 | 43
Plant-Related Items | 1,736 | 1,552
New Jersey Corporate Business Tax | 243 | 192
AROs and NDT Fund | 395 | 420
Deferred Tax Liabilities, Other | 10 | 0
Total Non-Current Liabilities | 2,384 | 2,164
Total Liabilities | 2,384 | 2,207
Net Current Deferred Tax Assets | 0 | 0
Net Current Deferred Income Tax Liabilities | 0 | 43
Net Noncurrent Deferred Income Tax Liabilities | 2,263 | 2,001
Accumulated Deferred Investment Tax Credit | 84 | 64
Net Total Noncurrent Deferred Income Taxes and ITC | 2,347 | 2,065
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions | $ 56 | $ 52

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