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Revenue (Tables) | 6 Months Ended
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Jun. 30, 2020
Revenue from Contract with Customer [Abstract] |
Summary of Revenue | The following table is a summary of SCE's revenue:
| Three months ended June 30, 2020 |  |  | Three months ended June 30, 2019 |  |
(in millions) | Earning Activities | Cost- Recovery Activities | Total Consolidated | Earning Activities | Cost-Recovery Activities | Total Consolidated
Revenues from contracts with customers1,2 | $ | 1,658 |  | $ | 1,220 |  | $ | 2,878 |  | $ | 1,532 |  | $ | 767 |  | $ | 2,299 |
Alternative revenue programs and other operating revenue3 | 117 |  | (15) |  | 102 |  | 5 |  | 496 |  | 501 |
Total operating revenue | $ | 1,775 |  | $ | 1,205 |  | $ | 2,980 |  | $ | 1,537 |  | $ | 1,263 |  | $ | 2,800 |
| Six months ended June 30, 2020 |  |  | Six months ended June 30, 2019 |  |
(in millions) | Earning Activities | Cost- Recovery Activities | Total Consolidated | Earning Activities | Cost-Recovery Activities | Total Consolidated
Revenues from contracts with customers1,2 | $ | 3,282 |  | $ | 1,938 |  | $ | 5,220 |  | $ | 3,034 |  | $ | 1,724 |  | $ | 4,758 |
Alternative revenue programs and other operating revenue3 | 234 |  | 306 |  | 540 |  | 53 |  | 805 |  | 858 |
Total operating revenue | $ | 3,516 |  | $ | 2,244 |  | $ | 5,760 |  | $ | 3,087 |  | $ | 2,529 |  | $ | 5,616 |
1 In the absence of a 2018 GRC decision, SCE recognized CPUC revenue in the first quarter of 2019 based on the 2017 authorized revenue requirement adjusted mainly for the July 2017 cost of capital decision and Tax Reform. SCE recorded the impact of the 2018 GRC decision in the second quarter of 2019. 2 At June 30, 2020 and December 31, 2019, SCE's receivables related to contracts from customers were $1.3 billion and $1.1 billion, respectively, which include accrued unbilled revenue of $629 million and $488 million, respectively. 3 Includes differences between amounts billed and authorized levels for both the CPUC and FERC.

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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