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Revenue (Tables) | 6 Months Ended
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Jun. 30, 2022
Revenue |
Summary of Revenue | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended June 30, 2022 | ​ | Three months ended June 30, 2021
​ | ​ | ​ | ​ | ​ | Cost- | ​ | ​ | ​ | ​ | ​ | Cost- | ​ | ​
​ | ​ | Earning | ​ | Recovery | ​ | Total | ​ | Earning | ​ | Recovery | ​ | Total
(in millions) |  | Activities |  | Activities | ​ | Consolidated |  | Activities |  | Activities |  | Consolidated
Revenue from contracts with customers1,2 | ​ | $ | 1,978 | ​ | $ | 2,022 | ​ | $ | 4,000 | ​ | $ | 1,703 |  | $ | 1,423 |  | $ | 3,126
Alternative revenue programs and other operating revenue3 | ​ |  | 186 | ​ |  | (190) | ​ |  | (4) | ​ |  | 127 |  | ​ | 53 |  | ​ | 180
Total operating revenue | ​ | $ | 2,164 | ​ | $ | 1,832 | ​ | $ | 3,996 | ​ | $ | 1,830 | ​ | $ | 1,476 | ​ | $ | 3,306
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six months ended June 30, 2022 | ​ | Six months ended June 30, 2021 | ​
​ | ​ | ​ | ​ | ​ | Cost- | ​ | ​ | ​ | ​ | ​ | Cost- | ​ | ​ | ​
​ | ​ | Earning | ​ | Recovery | ​ | Total | ​ | Earning | ​ | Recovery | ​ | Total | ​
(in millions) |  | Activities |  | Activities | ​ | Consolidated |  | Activities |  | Activities |  | Consolidated |
Revenues from contracts with customers1,2 | ​ | $ | 3,963 | ​ | $ | 3,397 | ​ | $ | 7,360 | ​ | $ | 3,407 |  | $ | 2,618 |  | $ | 6,025 | ​
Alternative revenue programs and other operating revenue3 | ​ |  | 468 | ​ |  | 129 | ​ |  | 597 | ​ |  | 190 |  | ​ | 44 |  | ​ | 234 | ​
Total operating revenue | ​ | $ | 4,431 | ​ | $ | 3,526 | ​ | $ | 7,957 | ​ | $ | 3,597 | ​ | $ | 2,662 | ​ | $ | 6,259 | ​
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 and second 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 June 30, 2022 and December 31, 2021, SCE's receivables related to contracts from customers were $2.6 billion and $2.3 billion, respectively, which include accrued unbilled revenue of $1.1 billion and $794 million, respectively.
3 | Includes differences between amounts billed and authorized levels for both the CPUC and FERC.

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