v3.8.0.1

DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE INSTRUMENTS ON THE CONDENSED BALANCE SHEET (Details) - USD ($) $ in Millions | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Current assets: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Net amounts presented on the balance sheet | $ 76 | $ 47
Additional cash collateral for commodity contracts not subject to rate recovery | 21 | 2
Additional cash collateral for commodity contracts subject to rate recovery | 14 | 17
Total | 111 | 66
Other assets: Sundry [Member] |  |
Derivatives not designated as hedging instruments: |  |
Net amounts presented on the balance sheet | 102 | 105
Additional cash collateral for commodity contracts not subject to rate recovery | 0 | 0
Additional cash collateral for commodity contracts subject to rate recovery | 0 | 0
Total | 102 | 105
Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Net amounts presented on the balance sheet | (63) | (103)
Additional cash collateral for commodity contracts not subject to rate recovery | 0 | 0
Additional cash collateral for commodity contracts subject to rate recovery | 0 | 0
Total | (63) | (103)
Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Net amounts presented on the balance sheet | (241) | (281)
Additional cash collateral for commodity contracts not subject to rate recovery | 0 | 0
Additional cash collateral for commodity contracts subject to rate recovery | 0 | 0
Total | (241) | (281)
Designated as Hedging Instrument [Member] | Current assets: Fixed-price contracts and other derivatives [Member] |  |
Derivatives designated as hedging instruments: |  |
Interest rate and foreign exchange instruments | 1 | 5
Designated as Hedging Instrument [Member] | Other assets: Sundry [Member] |  |
Derivatives designated as hedging instruments: |  |
Interest rate and foreign exchange instruments | 2 | 2
Designated as Hedging Instrument [Member] | Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives designated as hedging instruments: |  |
Interest rate and foreign exchange instruments | (12) | (51)
Designated as Hedging Instrument [Member] | Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives designated as hedging instruments: |  |
Interest rate and foreign exchange instruments | (122) | (165)
Not Designated as Hedging Instrument [Member] | Current assets: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Foreign exchange instruments | 43 | 0
Commodity contracts not subject to rate recovery | 64 | 81
Associated offsetting commodity contracts | (54) | (67)
Commodity contracts subject to rate recovery | 22 | 28
Associated offsetting commodity contracts |  | 0
Associated offsetting cash collateral | 0 | 0
Not Designated as Hedging Instrument [Member] | Other assets: Sundry [Member] |  |
Derivatives not designated as hedging instruments: |  |
Foreign exchange instruments | 0 | 0
Commodity contracts not subject to rate recovery | 10 | 8
Associated offsetting commodity contracts | (8) | (5)
Commodity contracts subject to rate recovery | 98 | 101
Associated offsetting commodity contracts |  | (1)
Associated offsetting cash collateral | 0 | 0
Not Designated as Hedging Instrument [Member] | Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Foreign exchange instruments | 0 | (1)
Commodity contracts not subject to rate recovery | (61) | (72)
Associated offsetting commodity contracts | 54 | 67
Commodity contracts subject to rate recovery | (60) | (65)
Associated offsetting commodity contracts |  | 0
Associated offsetting cash collateral | 16 | 19
Not Designated as Hedging Instrument [Member] | Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Foreign exchange instruments | 0 | 0
Commodity contracts not subject to rate recovery | (11) | (6)
Associated offsetting commodity contracts | 8 | 5
Commodity contracts subject to rate recovery | (123) | (120)
Associated offsetting commodity contracts |  | 1
Associated offsetting cash collateral | 7 | 4
San Diego Gas and Electric Company [Member] | Current assets: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Net amounts presented on the balance sheet | 20 | 26
Additional cash collateral for commodity contracts subject to rate recovery | 12 | 16
Total | 32 | 42
San Diego Gas and Electric Company [Member] | Other assets: Sundry [Member] |  |
Derivatives not designated as hedging instruments: |  |
Net amounts presented on the balance sheet | 98 | 100
Additional cash collateral for commodity contracts subject to rate recovery | 0 | 0
Total | 98 | 100
San Diego Gas and Electric Company [Member] | Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Net amounts presented on the balance sheet | (51) | (54)
Additional cash collateral for commodity contracts subject to rate recovery | 0 | 0
Total | (51) | (54)
San Diego Gas and Electric Company [Member] | Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Net amounts presented on the balance sheet | (117) | (118)
Additional cash collateral for commodity contracts subject to rate recovery | 0 | 0
Total | (117) | (118)
San Diego Gas and Electric Company [Member] | Designated as Hedging Instrument [Member] | Current assets: Fixed-price contracts and other derivatives [Member] |  |
Derivatives designated as hedging instruments: |  |
Interest rate instruments | 0 | 0
San Diego Gas and Electric Company [Member] | Designated as Hedging Instrument [Member] | Other assets: Sundry [Member] |  |
Derivatives designated as hedging instruments: |  |
Interest rate instruments | 0 | 0
San Diego Gas and Electric Company [Member] | Designated as Hedging Instrument [Member] | Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives designated as hedging instruments: |  |
Interest rate instruments | (8) | (10)
San Diego Gas and Electric Company [Member] | Designated as Hedging Instrument [Member] | Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives designated as hedging instruments: |  |
Interest rate instruments | (1) | (3)
San Diego Gas and Electric Company [Member] | Not Designated as Hedging Instrument [Member] | Current assets: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Commodity contracts subject to rate recovery | 20 | 26
Associated offsetting commodity contracts |  | 0
Associated offsetting cash collateral | 0 | 0
San Diego Gas and Electric Company [Member] | Not Designated as Hedging Instrument [Member] | Other assets: Sundry [Member] |  |
Derivatives not designated as hedging instruments: |  |
Commodity contracts subject to rate recovery | 98 | 101
Associated offsetting commodity contracts |  | (1)
Associated offsetting cash collateral | 0 | 0
San Diego Gas and Electric Company [Member] | Not Designated as Hedging Instrument [Member] | Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Commodity contracts subject to rate recovery | (59) | (63)
Associated offsetting commodity contracts |  | 0
Associated offsetting cash collateral | 16 | 19
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] |  |
Derivatives not designated as hedging instruments: |  |
Commodity contracts subject to rate recovery | (123) | (120)
Associated offsetting commodity contracts |  | 1
Associated offsetting cash collateral | 7 | 4
Southern California Gas Company [Member] | Current assets: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Net amounts presented on the balance sheet | 2 | 2
Additional cash collateral for commodity contracts subject to rate recovery | 2 | 1
Total | 4 | 3
Southern California Gas Company [Member] | Other assets: Sundry [Member] |  |
Derivatives not designated as hedging instruments: |  |
Net amounts presented on the balance sheet | 0 | 0
Additional cash collateral 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] |  |
Derivatives not designated as hedging instruments: |  |
Net amounts presented on the balance sheet | (1) | (2)
Additional cash collateral for commodity contracts subject to rate recovery | 0 | 0
Total | (1) | (2)
Southern California Gas Company [Member] | Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Net amounts presented on the balance sheet | 0 | 0
Additional cash collateral 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] |  |
Derivatives not designated as hedging instruments: |  |
Commodity contracts subject to rate recovery | 2 | 2
Southern California Gas Company [Member] | Not Designated as Hedging Instrument [Member] | Other assets: Sundry [Member] |  |
Derivatives not designated as hedging instruments: |  |
Commodity contracts subject to rate recovery | 0 | 0
Southern California Gas Company [Member] | Not Designated as Hedging Instrument [Member] | Current liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Commodity contracts subject to rate recovery | (1) | (2)
Southern California Gas Company [Member] | Not Designated as Hedging Instrument [Member] | Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member] |  |
Derivatives not designated as hedging instruments: |  |
Commodity contracts subject to rate recovery | $ 0 | $ 0

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