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Revenue (Tables) | 3 Months Ended
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Mar. 31, 2020
Revenue from Contract with Customer [Abstract] |
Summary of Revenue | The following table is a summary of SCE's revenue:
| Three months ended March 31, 2020 | Three months ended March 31, 2019
(in millions) | Earning Activities | Cost- Recovery Activities | Total Consolidated | Earning Activities | Cost-Recovery Activities | Total Consolidated
Revenues from contracts with customers 1,2 | $ | 1,624 |  | $ | 718 |  | $ | 2,342 |  | $ | 1,502 |  | $ | 957 |  | $ | 2,459 |
Alternative revenue programs and other operating revenue 3 | 117 |  | 321 |  | 438 |  | 48 |  | 309 |  | 357 |
Total operating revenue | $ | 1,741 |  | $ | 1,039 |  | $ | 2,780 |  | $ | 1,550 |  | $ | 1,266 |  | $ | 2,816 |
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.
2 | At March 31, 2020 and December 31, 2019, SCE's receivables related to contracts from customers were $1.0 billion and $1.1 billion, respectively, which include accrued unbilled revenue of $409 million and $488 million, respectively.
3 Includes differences between amounts billed and authorized levels for both CPUC and FERC.

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