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Other Income (Deductions) (Schedule Of Other Income (Deductions)) (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Component of Other Income (Deductions) [Line Items] |  |  |  |  |  |
NDT Fund Interest and Dividends |  | $ 12 | $ 14 | $ 39 |  | $ 44
Allowance for Funds Used During Construction |  | 24 | 14 | 65 |  | 41
Solar Loan Interest |  | 3 | 4 | 11 |  | 12
Purchase of Tax Losses |  | 0 |  | (36) |  |
Other |  | 0 | 3 | 2 |  | 4
Other Income (Deductions) |  | 39 | 35 | 81 |  | 101
Public Service Electric and Gas Company [Member] |  |  |  |  |  |
Component of Other Income (Deductions) [Line Items] |  |  |  |  |  |
NDT Fund Interest and Dividends |  | 0 | 0 | 0 |  | 0
Allowance for Funds Used During Construction |  | 24 | 14 | 65 |  | 41
Solar Loan Interest |  | 3 | 4 | 11 |  | 12
Purchase of Tax Losses |  | 0 |  | 0 |  |
Other |  | 1 | 4 | 5 |  | 7
Other Income (Deductions) |  | 28 | 22 | 81 |  | 60
PSEG Power [Member] |  |  |  |  |  |
Component of Other Income (Deductions) [Line Items] |  |  |  |  |  |
NDT Fund Interest and Dividends |  | 12 | 14 | 39 |  | 44
Allowance for Funds Used During Construction |  | 0 | 0 | 0 |  | 0
Solar Loan Interest |  | 0 | 0 | 0 |  | 0
Purchase of Tax Losses |  | 0 |  | (36) |  |
Other |  | (1) | 1 | (3) |  | (1)
Other Income (Deductions) |  | 11 | 15 | 0 |  | 43
Other Entities [Member] |  |  |  |  |  |
Component of Other Income (Deductions) [Line Items] |  |  |  |  |  |
NDT Fund Interest and Dividends | [1] | 0 | 0 | 0 |  | 0
Allowance for Funds Used During Construction | [1] | 0 | 0 | 0 |  | 0
Solar Loan Interest | [1] | 0 | 0 | 0 |  | 0
Purchase of Tax Losses |  | 0 |  | 0 | [1] |
Other | [1] | 0 | (2) | 0 |  | (2)
Other Income (Deductions) | [1] | $ 0 | $ (2) | $ 0 |  | $ (2)
[1] | Other consists of activity at PSEG (as parent company), Energy Holdings, Services, PSEG LI and intercompany eliminations.

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