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v3.19.3.a.u2

Organization and Basis of Presentation (Details 1) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Regulatory Assets [Line Items] |  |
Regulatory Assets by Source Not Earning a Current Return | $ 545 | $ 503
Change | 42 |
Regulatory transition costs |  |
Regulatory Assets [Line Items] |  |
Regulatory Assets by Source Not Earning a Current Return | 7 | 10
Change | (3) |
Deferred transmission costs |  |
Regulatory Assets [Line Items] |  |
Regulatory Assets by Source Not Earning a Current Return | 27 | 80
Change | (53) |
Deferred generation costs |  |
Regulatory Assets [Line Items] |  |
Regulatory Assets by Source Not Earning a Current Return | 15 | 8
Change | 7 |
Storm-related costs |  |
Regulatory Assets [Line Items] |  |
Regulatory Assets by Source Not Earning a Current Return | 471 | 363
Change | 108 |
Other |  |
Regulatory Assets [Line Items] |  |
Regulatory Assets by Source Not Earning a Current Return | 25 | $ 42
Change | $ (17) |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Remaining balance of regulatory assets for which no return on investment during recovery is provided. In some cases, a regulator may permit an enterprise to include a cost that would be charged to expense by an unregulated enterprise as an allowable cost over a period of time by amortizing that cost for rate-making purposes, but the regulator does not include the unrecovered amount in the rate base. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 55 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82849221&loc=d3e44360-110383 + Details
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