v3.19.1

Revenue from Contracts with Customers Disaggregation of Revenues (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | $ 9,865 |  | $ 8,836 |  | $ 6,943 |
Revenues |  | $ 2,354 | $ 2,890 | $ 2,259 | $ 2,009 | $ 1,801 | $ 2,586 | $ 2,084 | $ 2,281 | 9,512 | [1] | 8,752 | [1] | 6,716 | [1]
Energy and Other Products [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 5,048 |  |  |  |  |
Capacity Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 903 |  |  |  |  |
Revenues Relating to Physical or Executory Contracts - Third Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 5,951 |  |  |  |  |
Affiliate Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | [2] |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Revenues Relating to Leases and Derivative Instruments [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | [3] |  |  |  |  |  |  |  |  | 3,561 |  |  |  |  |
West [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | [1] |  |  |  |  |  |  |  |  | 1,988 |  | 1,881 |  | 1,545 |
West [Member] | Energy and Other Products [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 1,070 |  |  |  |  |
West [Member] | Capacity Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 152 |  |  |  |  |
West [Member] | Revenues Relating to Physical or Executory Contracts - Third Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 1,222 |  |  |  |  |
West [Member] | Affiliate Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | [2] |  |  |  |  |  |  |  |  | 30 |  |  |  |  |
Texas [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | [1] |  |  |  |  |  |  |  |  | 2,860 |  | 2,342 |  | 2,145 |
Texas [Member] | Energy and Other Products [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 1,500 |  |  |  |  |
Texas [Member] | Capacity Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 94 |  |  |  |  |
Texas [Member] | Revenues Relating to Physical or Executory Contracts - Third Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 1,594 |  |  |  |  |
Texas [Member] | Affiliate Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | [2] |  |  |  |  |  |  |  |  | 34 |  |  |  |  |
East [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | [1] |  |  |  |  |  |  |  |  | 1,987 |  | 1,658 |  | 1,657 |
East [Member] | Energy and Other Products [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 621 |  |  |  |  |
East [Member] | Capacity Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 657 |  |  |  |  |
East [Member] | Revenues Relating to Physical or Executory Contracts - Third Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 1,278 |  |  |  |  |
East [Member] | Affiliate Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | [2] |  |  |  |  |  |  |  |  | 89 |  |  |  |  |
Retail [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | [1] |  |  |  |  |  |  |  |  | 3,976 |  | $ 3,797 |  | $ 1,520 |
Retail [Member] | Energy and Other Products [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 1,857 |  |  |  |  |
Retail [Member] | Capacity Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Retail [Member] | Revenues Relating to Physical or Executory Contracts - Third Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 1,857 |  |  |  |  |
Retail [Member] | Affiliate Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | [2] |  |  |  |  |  |  |  |  | 4 |  |  |  |  |
Intersegment Eliminations [Member] | Energy and Other Products [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Intersegment Eliminations [Member] | Capacity Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Intersegment Eliminations [Member] | Revenues Relating to Physical or Executory Contracts - Third Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Intersegment Eliminations [Member] | Affiliate Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | [2] |  |  |  |  |  |  |  |  | $ (157) |  |  |  |  |
[1] | Includes intersegment revenues of $488 million, $324 million and $20 million in the West, $573 million, $361 million and $81 million in Texas, $234 million, $237 million and $48 million in the East and $4 million, $4 million, $2 million in Retail for the years ended December 31, 2018, 2017 and 2016, respectively.
[2] | Affiliate energy, other and capacity revenues reflect revenues on transactions between wholesale and retail affiliates excluding affiliate activity related to leases and derivative instruments. All such activity supports retail supply needs from the wholesale business and/or allows for collateral margin netting efficiencies at Calpine.
[3] | Revenues relating to contracts accounted for as leases and derivatives include energy and capacity revenues relating to PPAs that we are required to account for as operating leases and physical and financial commodity derivative contracts, primarily relating to power, natural gas and environmental products. Revenue related to derivative instruments includes revenue recorded in Commodity revenue and mark-to-market gain (loss) within our operating revenues on our Consolidated Statements of Operations.

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