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Derivative Instruments (Balance Sheet Disclosures) (Details) - USD ($) | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Fair Value of Derivative Instruments |  |
Short-Term, Derivative Assets | $ 81,000,000 | $ 102,000,000
Long-Term, Derivative Assets | 188,000,000 | 219,000,000
Short-Term, Derivative Liabilities | 207,000,000 | 196,000,000
Long-Term, Derivative Liabilities | 1,167,000,000 | 1,052,000,000
Southern California Edison |  |
Fair Value of Derivative Instruments |  |
Short-Term, Derivative Assets | 81,000,000 | 102,000,000
Long-Term, Derivative Assets | 188,000,000 | 219,000,000
Short-Term, Derivative Liabilities | 207,000,000 | 196,000,000
Long-Term, Derivative Liabilities | 1,166,000,000 | 1,052,000,000
Southern California Edison | Electric Utility | Gross amounts recognized |  |
Derivatives |  |
Collateral already posted | 0 | 13,000,000
Southern California Edison | Commodity Contracts | Electric Utility |  |
Fair Value of Derivative Instruments |  |
Short-Term, Derivative Assets | 81,000,000 | 102,000,000
Long-Term, Derivative Assets | 188,000,000 | 219,000,000
Derivative Assets, Total | 269,000,000 | 321,000,000
Short-Term, Derivative Liabilities | 207,000,000 | 196,000,000
Long-Term, Derivative Liabilities | 1,166,000,000 | 1,052,000,000
Derivative Liabilities, Total | 1,373,000,000 | 1,248,000,000
Net Liability | 1,104,000,000 | 927,000,000
Southern California Edison | Commodity Contracts | Electric Utility | Gross amounts recognized |  |
Fair Value of Derivative Instruments |  |
Short-Term, Derivative Assets | 82,000,000 | 104,000,000
Long-Term, Derivative Assets | 188,000,000 | 219,000,000
Derivative Assets, Total | 270,000,000 | 323,000,000
Short-Term, Derivative Liabilities | 243,000,000 | 259,000,000
Long-Term, Derivative Liabilities | 1,166,000,000 | 1,052,000,000
Derivative Liabilities, Total | 1,409,000,000 | 1,311,000,000
Net Liability | 1,139,000,000 | 988,000,000
Southern California Edison | Commodity Contracts | Electric Utility | Gross amounts offset in the consolidated balance sheets |  |
Fair Value of Derivative Instruments |  |
Short-Term, Derivative Assets | (1,000,000) | (2,000,000)
Long-Term, Derivative Assets | 0 | 0
Derivative Assets, Total | (1,000,000) | (2,000,000)
Short-Term, Derivative Liabilities | (1,000,000) | (2,000,000)
Long-Term, Derivative Liabilities | 0 | 0
Derivative Liabilities, Total | (1,000,000) | (2,000,000)
Net Liability | 0 | 0
Southern California Edison | Commodity Contracts | Electric Utility | Cash collateral posted |  |
Fair Value of Derivative Instruments |  |
Short-Term, Derivative Assets | 0 | 0
Long-Term, Derivative Assets | 0 | 0
Derivative Assets, Total | 0 | 0
Short-Term, Derivative Liabilities | (35,000,000) | (61,000,000)
Long-Term, Derivative Liabilities | 0 | 0
Derivative Liabilities, Total | (35,000,000) | (61,000,000)
Net Liability | (35,000,000) | (61,000,000)
Other Current Assets | Southern California Edison | Commodity Contracts |  |
Derivatives |  |
Collateral already posted | $ 32,000,000 | $ 36,000,000

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