FAIR VALUE MEASUREMENTS - NONRECURRING INPUTS (Details) - USD ($)
$ in Millions |
|
1 Months Ended |
3 Months Ended |
9 Months Ended |
|
|
|
|
Sep. 26, 2016 |
May 31, 2016 |
Mar. 31, 2016 |
Sep. 30, 2016 |
Mar. 31, 2016 |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 29, 2016 |
Sep. 27, 2016 |
Sep. 25, 2016 |
Mar. 29, 2016 |
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
| Pretax gain for the excess of acquisition date fair value over carrying value |
|
|
|
|
|
$ 617
|
$ 0
|
|
|
|
|
| Impairment of equity method investment |
|
|
|
|
|
131
|
|
|
|
|
|
| Impairment of equity method investment after-tax |
|
|
|
|
|
111
|
|
|
|
|
|
| TdM [Member] | Carrying amount [Member] |
|
|
|
|
|
|
|
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
| Fair value of equity method investment |
|
|
|
$ 146
|
|
146
|
|
|
|
|
|
| Market Approach Valuation Technique [Member] | Level 2 [Member] | TdM [Member] |
|
|
|
|
|
|
|
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
| Fair value of equity method investment |
|
|
|
|
|
|
|
$ 145
|
|
|
|
| Fair Value Inputs, Percentage of Fair Value Measurement |
|
|
|
|
|
|
|
100.00%
|
|
|
|
| Fair Value Inputs, Range of Inputs |
|
|
|
|
|
|
|
100.00%
|
|
|
|
| Market Approach Valuation Technique [Member] | Level 2 [Member] | GdC [Member] |
|
|
|
|
|
|
|
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
| Fair value of equity method investment |
$ 1,144
|
|
|
|
|
|
|
|
|
|
|
| Fair Value Inputs, Percentage of Fair Value Measurement |
100.00%
|
|
|
|
|
|
|
|
|
|
|
| Fair Value Inputs, Range of Inputs |
100.00%
|
|
|
|
|
|
|
|
|
|
|
| Market Approach Valuation Technique [Member] | Level 2 [Member] | Rockies Express [Member] |
|
|
|
|
|
|
|
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
| Fair value of equity method investment |
|
|
|
|
|
|
|
|
|
|
$ 440
|
| Fair Value Inputs, Percentage of Fair Value Measurement |
|
|
|
|
|
|
|
|
|
|
100.00%
|
| Fair Value Inputs, Range of Inputs |
|
|
|
|
|
|
|
|
|
|
100.00%
|
| Sempra Mexico [Member] | TdM [Member] |
|
|
|
|
|
|
|
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
| Impairment of equity method investment |
|
|
|
131
|
|
|
|
|
|
|
|
| Impairment of equity method investment after-tax |
|
|
|
$ 111
|
|
|
|
|
|
|
|
| Sempra Mexico [Member] | GdC [Member] |
|
|
|
|
|
|
|
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
| Ownership percentage acquired |
50.00%
|
|
|
|
|
|
|
|
|
|
|
| Ownership percentage |
100.00%
|
|
|
|
|
|
|
|
100.00%
|
50.00%
|
|
| Pretax gain for the excess of acquisition date fair value over carrying value |
$ 617
|
|
|
|
|
|
|
|
|
|
|
| After-tax gain for the excess of acquisition date fair value over carrying value |
432
|
|
|
|
|
|
|
|
|
|
|
| Fair value of equity method investment |
1,144
|
|
|
|
|
|
|
|
|
|
|
| Carrying value of equity method investment |
520
|
|
|
|
|
|
|
|
|
|
|
| Losses reclassified from accumulated other comprehensive loss |
7
|
|
|
|
|
|
|
|
|
|
|
| Total fair value of business combination |
$ 2,288
|
|
|
|
|
|
|
|
|
|
|
| Sempra Natural Gas [Member] | Rockies Express [Member] |
|
|
|
|
|
|
|
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
| Ownership percentage |
|
25.00%
|
25.00%
|
|
25.00%
|
|
|
|
|
|
25.00%
|
| Fair value of equity method investment |
|
|
$ 440
|
|
$ 440
|
|
|
|
|
|
|
| Carrying value of equity method investment |
|
|
484
|
|
484
|
|
|
|
|
|
|
| Impairment of equity method investment |
|
|
|
|
44
|
44
|
|
|
|
|
|
| Impairment of equity method investment after-tax |
|
|
|
|
$ 27
|
$ 27
|
|
|
|
|
|
| Proceeds from sale of equity method investment |
|
$ 443
|
$ 440
|
|
|
|
|
|
|
|
|