v3.6.0.2

DERIVATIVE FINANCIAL INSTRUMENTS - BALANCE SHEET (Details) - USD ($) | Dec. 31, 2016 | Dec. 31, 2015
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Current assets: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Net amount presented on balance sheet | $ 41,000,000 | $ 50,000,000
Additional margin posted for commodity contracts not subject to rate recovery | 10,000,000 | 2,000,000
Additional margin posted for commodity contracts subject to rate recovery | 32,000,000 | 28,000,000
Total | 83,000,000 | 80,000,000
Other assets: Sundry [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Net amount presented on balance sheet | 82,000,000 | 60,000,000
Additional margin posted for commodity contracts not subject to rate recovery | 0 | 0
Additional margin posted for commodity contracts subject to rate recovery | 0 | 0
Total | 82,000,000 | 60,000,000
Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Net amount presented on balance sheet | (77,000,000) | (49,000,000)
Additional margin posted for commodity contracts not subject to rate recovery | 0 | 0
Additional margin posted for commodity contracts subject to rate recovery | 0 | 0
Total | (77,000,000) | (49,000,000)
Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Net amount presented on balance sheet | (364,000,000) | (193,000,000)
Additional margin posted for commodity contracts not subject to rate recovery | 0 | 0
Additional margin posted for commodity contracts subject to rate recovery | 0 | 0
Total | (364,000,000) | (193,000,000)
Designated as Hedging Instrument [Member] | Current assets: Fixed-price contracts and other derivatives [Member] |  |
Derivative Instruments in Hedges, at Fair Value, Net [Abstract] |  |
Interest rate and foreign exchange instruments | 7,000,000 | 4,000,000
Commodity contracts not subject to rate recovery | 0 | 13,000,000
Designated as Hedging Instrument [Member] | Other assets: Sundry [Member] |  |
Derivative Instruments in Hedges, at Fair Value, Net [Abstract] |  |
Interest rate and foreign exchange instruments | 2,000,000 | 1,000,000
Commodity contracts not subject to rate recovery | 0 | 0
Designated as Hedging Instrument [Member] | Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivative Instruments in Hedges, at Fair Value, Net [Abstract] |  |
Interest rate and foreign exchange instruments | (24,000,000) | (15,000,000)
Commodity contracts not subject to rate recovery | (14,000,000) | 0
Designated as Hedging Instrument [Member] | Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivative Instruments in Hedges, at Fair Value, Net [Abstract] |  |
Interest rate and foreign exchange instruments | (228,000,000) | (156,000,000)
Commodity contracts not subject to rate recovery | 0 | 0
Not Designated as Hedging Instrument [Member] | Current assets: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Commodity contracts not subject to rate recovery | 248,000,000 | 245,000,000
Associated offsetting commodity contracts not subject to rate recovery | (242,000,000) | (232,000,000)
Associated cash collateral commodity contracts not subject to rate recovery | 0 | (6,000,000)
Commodity contracts subject to rate recovery | 37,000,000 | 28,000,000
Associated offsetting commodity contracts subject to rate recovery | (9,000,000) | (2,000,000)
Associated cash collateral commodity contracts subject to rate recovery | 0 | 0
Not Designated as Hedging Instrument [Member] | Other assets: Sundry [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Commodity contracts not subject to rate recovery | 36,000,000 | 32,000,000
Associated offsetting commodity contracts not subject to rate recovery | (27,000,000) | (20,000,000)
Associated cash collateral commodity contracts not subject to rate recovery | (1,000,000) | 0
Commodity contracts subject to rate recovery | 73,000,000 | 49,000,000
Associated offsetting commodity contracts subject to rate recovery | (1,000,000) | (2,000,000)
Associated cash collateral commodity contracts subject to rate recovery | 0 | 0
Not Designated as Hedging Instrument [Member] | Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Commodity contracts not subject to rate recovery | (254,000,000) | (239,000,000)
Associated offsetting commodity contracts not subject to rate recovery | 242,000,000 | 232,000,000
Associated cash collateral commodity contracts not subject to rate recovery | 16,000,000 | 4,000,000
Commodity contracts subject to rate recovery | (57,000,000) | (61,000,000)
Associated offsetting commodity contracts subject to rate recovery | 9,000,000 | 2,000,000
Associated cash collateral commodity contracts subject to rate recovery | 5,000,000 | 28,000,000
Not Designated as Hedging Instrument [Member] | Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Commodity contracts not subject to rate recovery | (28,000,000) | (21,000,000)
Associated offsetting commodity contracts not subject to rate recovery | 27,000,000 | 20,000,000
Associated cash collateral commodity contracts not subject to rate recovery | 1,000,000 | 0
Commodity contracts subject to rate recovery | (150,000,000) | (64,000,000)
Associated offsetting commodity contracts subject to rate recovery | 1,000,000 | 2,000,000
Associated cash collateral commodity contracts subject to rate recovery | 13,000,000 | 26,000,000
San Diego Gas and Electric Company [Member] | Current assets: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Net amount presented on balance sheet | 27,000,000 | 25,000,000
Additional margin posted for commodity contracts not subject to rate recovery | 1,000,000 | 1,000,000
Additional margin posted for commodity contracts subject to rate recovery | 30,000,000 | 27,000,000
Total | 58,000,000 | 53,000,000
San Diego Gas and Electric Company [Member] | Other assets: Sundry [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Net amount presented on balance sheet | 72,000,000 | 47,000,000
Additional margin posted for commodity contracts not subject to rate recovery | 0 | 0
Additional margin posted for commodity contracts subject to rate recovery | 0 | 0
Total | 72,000,000 | 47,000,000
San Diego Gas and Electric Company [Member] | Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Net amount presented on balance sheet | (55,000,000) | (44,000,000)
Additional margin posted for commodity contracts not subject to rate recovery | 0 | 0
Additional margin posted for commodity contracts subject to rate recovery | 0 | 0
Total | (55,000,000) | (44,000,000)
San Diego Gas and Electric Company [Member] | Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Net amount presented on balance sheet | (148,000,000) | (59,000,000)
Additional margin posted for commodity contracts not subject to rate recovery | 0 | 0
Additional margin posted for commodity contracts subject to rate recovery | 0 | 0
Total | (148,000,000) | (59,000,000)
San Diego Gas and Electric Company [Member] | Designated as Hedging Instrument [Member] | Current assets: Fixed-price contracts and other derivatives [Member] |  |
Derivative Instruments in Hedges, at Fair Value, Net [Abstract] |  |
Interest rate and foreign exchange instruments | 0 | 0
San Diego Gas and Electric Company [Member] | Designated as Hedging Instrument [Member] | Other assets: Sundry [Member] |  |
Derivative Instruments in Hedges, at Fair Value, Net [Abstract] |  |
Interest rate and foreign exchange instruments | 0 | 0
San Diego Gas and Electric Company [Member] | Designated as Hedging Instrument [Member] | Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivative Instruments in Hedges, at Fair Value, Net [Abstract] |  |
Interest rate and foreign exchange instruments | (13,000,000) | (14,000,000)
San Diego Gas and Electric Company [Member] | Designated as Hedging Instrument [Member] | Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivative Instruments in Hedges, at Fair Value, Net [Abstract] |  |
Interest rate and foreign exchange instruments | (12,000,000) | (23,000,000)
San Diego Gas and Electric Company [Member] | Not Designated as Hedging Instrument [Member] | Current assets: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Commodity contracts not subject to rate recovery |  | 0
Associated cash collateral commodity contracts not subject to rate recovery |  | 0
Commodity contracts subject to rate recovery | 33,000,000 | 27,000,000
Associated offsetting commodity contracts subject to rate recovery | (6,000,000) | (2,000,000)
Associated cash collateral commodity contracts subject to rate recovery | 0 | 0
San Diego Gas and Electric Company [Member] | Not Designated as Hedging Instrument [Member] | Other assets: Sundry [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Commodity contracts not subject to rate recovery |  | 0
Associated cash collateral commodity contracts not subject to rate recovery |  | 0
Commodity contracts subject to rate recovery | 73,000,000 | 49,000,000
Associated offsetting commodity contracts subject to rate recovery | (1,000,000) | (2,000,000)
Associated cash collateral commodity contracts subject to rate recovery | 0 | 0
San Diego Gas and Electric Company [Member] | Not Designated as Hedging Instrument [Member] | Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Commodity contracts not subject to rate recovery |  | (1,000,000)
Associated cash collateral commodity contracts not subject to rate recovery |  | 1,000,000
Commodity contracts subject to rate recovery | (51,000,000) | (60,000,000)
Associated offsetting commodity contracts subject to rate recovery | 6,000,000 | 2,000,000
Associated cash collateral commodity contracts subject to rate recovery | 3,000,000 | 28,000,000
San Diego Gas and Electric Company [Member] | Not Designated as Hedging Instrument [Member] | Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Commodity contracts not subject to rate recovery |  | 0
Associated cash collateral commodity contracts not subject to rate recovery |  | 0
Commodity contracts subject to rate recovery | (150,000,000) | (64,000,000)
Associated offsetting commodity contracts subject to rate recovery | 1,000,000 | 2,000,000
Associated cash collateral commodity contracts subject to rate recovery | 13,000,000 | 26,000,000
Southern California Gas Company [Member] | Current assets: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Net amount presented on balance sheet | 1,000,000 | 1,000,000
Additional margin posted for commodity contracts not subject to rate recovery | 1,000,000 |
Additional margin posted for commodity contracts subject to rate recovery | 2,000,000 | 1,000,000
Total | 4,000,000 | 2,000,000
Southern California Gas Company [Member] | Other assets: Sundry [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Net amount presented on balance sheet | 0 | 0
Additional margin posted for commodity contracts not subject to rate recovery | 0 |
Additional margin posted for commodity contracts subject to rate recovery | 0 | 0
Total | 0 | 0
Southern California Gas Company [Member] | Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Net amount presented on balance sheet | (1,000,000) | (1,000,000)
Additional margin posted for commodity contracts not subject to rate recovery | 0 |
Additional margin posted for commodity contracts subject to rate recovery | 0 | 0
Total | (1,000,000) | (1,000,000)
Southern California Gas Company [Member] | Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Net amount presented on balance sheet | 0 | 0
Additional margin posted for commodity contracts not subject to rate recovery | 0 |
Additional margin posted for commodity contracts subject to rate recovery | 0 | 0
Total | 0 | 0
Southern California Gas Company [Member] | Not Designated as Hedging Instrument [Member] | Current assets: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Commodity contracts not subject to rate recovery |  | 0
Associated cash collateral commodity contracts not subject to rate recovery |  | 0
Commodity contracts subject to rate recovery | 4,000,000 | 1,000,000
Associated offsetting commodity contracts subject to rate recovery | (3,000,000) |
Associated cash collateral commodity contracts subject to rate recovery | 0 |
Southern California Gas Company [Member] | Not Designated as Hedging Instrument [Member] | Other assets: Sundry [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Commodity contracts not subject to rate recovery |  | 0
Associated cash collateral commodity contracts not subject to rate recovery |  | 0
Commodity contracts subject to rate recovery | 0 | 0
Associated offsetting commodity contracts subject to rate recovery | 0 |
Associated cash collateral commodity contracts subject to rate recovery | 0 |
Southern California Gas Company [Member] | Not Designated as Hedging Instrument [Member] | Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Commodity contracts not subject to rate recovery |  | (1,000,000)
Associated cash collateral commodity contracts not subject to rate recovery |  | 1,000,000
Commodity contracts subject to rate recovery | (6,000,000) | (1,000,000)
Associated offsetting commodity contracts subject to rate recovery | 3,000,000 |
Associated cash collateral commodity contracts subject to rate recovery | 2,000,000 |
Southern California Gas Company [Member] | Not Designated as Hedging Instrument [Member] | Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract] |  |
Commodity contracts not subject to rate recovery |  | 0
Associated cash collateral commodity contracts not subject to rate recovery |  | 0
Commodity contracts subject to rate recovery | 0 | $ 0
Associated offsetting commodity contracts subject to rate recovery | 0 |
Associated cash collateral commodity contracts subject to rate recovery | $ 0 |

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