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Revenue (Tables) | 3 Months Ended
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Mar. 31, 2022
Revenue |
Summary of Revenue | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended March 31, 2022 | ​ | Three months ended March 31, 2021
​ | ​ | ​ | ​ | ​ | Cost- | ​ | ​ | ​ | ​ | ​ | Cost- | ​ | ​
​ | ​ | Earning | ​ | Recovery | ​ | Total | ​ | Earning | ​ | Recovery | ​ | Total
(in millions) |  | Activities |  | Activities | ​ | Consolidated |  | Activities |  | Activities |  | Consolidated
Revenue from contracts with customers1,2 | ​ | $ | 1,985 | ​ | $ | 1,375 | ​ | $ | 3,360 | ​ | $ | 1,704 |  | $ | 1,195 |  | $ | 2,899
Alternative revenue programs and other operating revenue3 | ​ |  | 282 | ​ |  | 319 | ​ |  | 601 | ​ |  | 63 |  | ​ | (9) |  | ​ | 54
Total operating revenue | ​ | $ | 2,267 | ​ | $ | 1,694 | ​ | $ | 3,961 | ​ | $ | 1,767 | ​ | $ | 1,186 | ​ | $ | 2,953
1 | In the absence of a decision on SCE’s August 2021 cost of capital application, SCE is continuing to recognize revenue based on its pre-2022 cost of capital, subject to refund. In the absence of a 2021 GRC decision, SCE recognized CPUC revenue in the first quarter of 2021 based on the 2020 authorized revenue requirement until SCE received the final 2021 GRC decision in the third quarter of 2021.
2 | At March 31, 2022 and December 31, 2021, SCE's receivables related to contracts from customers were $2.2 billion and $2.3 billion, respectively, which include accrued unbilled revenue of $743 million and $794 million, respectively.
3 | Includes differences between amounts billed and authorized levels for both the CPUC and FERC.

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