DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE IMPACT ON THE INCOME (Details) - USD ($)
|
3 Months Ended |
9 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
|
|
$ (39,000,000)
|
$ 20,000,000
|
| Fair Value Hedging [Member] | Interest Expense [Member] | Interest Rate Contract [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Hedge ineffectiveness |
$ 0
|
$ 0
|
0
|
0
|
| Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
0
|
1,000,000
|
1,000,000
|
3,000,000
|
| Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Interest Expense [Member] | Interest Rate Contract [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
0
|
1,000,000
|
3,000,000
|
5,000,000
|
| Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Other Income, Net [Member] | Interest Rate Contract [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
0
|
0
|
(2,000,000)
|
(2,000,000)
|
| Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) recognized in OCI |
16,000,000
|
(138,000,000)
|
(238,000,000)
|
(139,000,000)
|
| Pretax (loss) gain reclassified from AOCI into earnings |
(12,000,000)
|
(5,000,000)
|
(23,000,000)
|
(13,000,000)
|
| Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Expense [Member] | Interest rate and foreign exchange instruments [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) recognized in OCI |
(16,000,000)
|
(10,000,000)
|
(26,000,000)
|
(22,000,000)
|
| Pretax (loss) gain reclassified from AOCI into earnings |
(4,000,000)
|
(5,000,000)
|
(11,000,000)
|
(14,000,000)
|
| Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Equity Earnings, Before Income Tax [Member] | Interest Rate Contract [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) recognized in OCI |
17,000,000
|
(134,000,000)
|
(190,000,000)
|
(123,000,000)
|
| Pretax (loss) gain reclassified from AOCI into earnings |
(3,000,000)
|
(3,000,000)
|
(8,000,000)
|
(9,000,000)
|
| Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Remeasurement of Equity Method Investment [Member] | Interest rate and foreign exchange instruments [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) recognized in OCI |
0
|
0
|
0
|
0
|
| Pretax (loss) gain reclassified from AOCI into earnings |
(7,000,000)
|
0
|
(7,000,000)
|
0
|
| Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Equity Earnings, Net of Income Tax [Member] | Interest rate and foreign exchange instruments [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) recognized in OCI |
13,000,000
|
0
|
(20,000,000)
|
0
|
| Pretax (loss) gain reclassified from AOCI into earnings |
2,000,000
|
0
|
(4,000,000)
|
0
|
| Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Revenues: Energy- Related Businesses [Member] | Commodity Contract Not Subject To Rate Recovery [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) recognized in OCI |
2,000,000
|
6,000,000
|
(2,000,000)
|
6,000,000
|
| Pretax (loss) gain reclassified from AOCI into earnings |
0
|
3,000,000
|
7,000,000
|
10,000,000
|
| Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
(125,000,000)
|
(15,000,000)
|
(137,000,000)
|
(78,000,000)
|
| Not Designated as Hedging Instrument [Member] | Other Income, Net [Member] | Other foreign currency derivatives [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
(11,000,000)
|
(4,000,000)
|
(23,000,000)
|
(7,000,000)
|
| Not Designated as Hedging Instrument [Member] | Equity Earnings, Net of Income Tax [Member] | Other foreign currency derivatives [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
1,000,000
|
(3,000,000)
|
3,000,000
|
(4,000,000)
|
| Not Designated as Hedging Instrument [Member] | Revenues: Energy- Related Businesses [Member] | Commodity Contract Not Subject To Rate Recovery [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
3,000,000
|
21,000,000
|
(26,000,000)
|
33,000,000
|
| Not Designated as Hedging Instrument [Member] | Operation and Maintenance [Member] | Commodity Contract Not Subject To Rate Recovery [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
0
|
(2,000,000)
|
1,000,000
|
(1,000,000)
|
| Not Designated as Hedging Instrument [Member] | Cost of Electric Fuel and Purchased Power [Member] | Commodity Contracts Subject To Rate Recovery [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
(118,000,000)
|
(27,000,000)
|
(90,000,000)
|
(100,000,000)
|
| Not Designated as Hedging Instrument [Member] | Cost of Natural Gas [Member] | Commodity Contracts Subject To Rate Recovery [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
0
|
0
|
(2,000,000)
|
1,000,000
|
| San Diego Gas and Electric Company [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
|
|
2,000,000
|
3,000,000
|
| San Diego Gas and Electric Company [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Expense [Member] | Interest Rate Contract [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) recognized in OCI |
2,000,000
|
(4,000,000)
|
(5,000,000)
|
(9,000,000)
|
| Pretax (loss) gain reclassified from AOCI into earnings |
(3,000,000)
|
(3,000,000)
|
(9,000,000)
|
(9,000,000)
|
| San Diego Gas and Electric Company [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
(118,000,000)
|
(28,000,000)
|
(90,000,000)
|
(101,000,000)
|
| San Diego Gas and Electric Company [Member] | Not Designated as Hedging Instrument [Member] | Operation and Maintenance [Member] | Commodity Contracts Subject To Rate Recovery [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
0
|
(1,000,000)
|
0
|
(1,000,000)
|
| San Diego Gas and Electric Company [Member] | Not Designated as Hedging Instrument [Member] | Cost of Electric Fuel and Purchased Power [Member] | Commodity Contracts Subject To Rate Recovery [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
(118,000,000)
|
(27,000,000)
|
(90,000,000)
|
(100,000,000)
|
| Southern California Gas Company [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Expense [Member] | Interest Rate Contract [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) recognized in OCI |
0
|
0
|
0
|
0
|
| Pretax (loss) gain reclassified from AOCI into earnings |
(1,000,000)
|
0
|
(1,000,000)
|
0
|
| Southern California Gas Company [Member] | Not Designated as Hedging Instrument [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
0
|
(1,000,000)
|
(2,000,000)
|
1,000,000
|
| Southern California Gas Company [Member] | Not Designated as Hedging Instrument [Member] | Operation and Maintenance [Member] | Commodity Contract Not Subject To Rate Recovery [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
0
|
(1,000,000)
|
0
|
0
|
| Southern California Gas Company [Member] | Not Designated as Hedging Instrument [Member] | Cost of Natural Gas [Member] | Commodity Contracts Subject To Rate Recovery [Member] |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Pretax gain (loss) on derivatives recognized in earnings |
$ 0
|
$ 0
|
$ (2,000,000)
|
$ 1,000,000
|