v3.6.0.2

DEBT AND CREDIT FACILITIES - OTHER LONG-TERM DEBT (Details) - USD ($) $ in Millions | 1 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jan. 31, 2017 | Dec. 14, 2016 | Oct. 31, 2016 | Sep. 26, 2016 | Sep. 12, 2016 | Jul. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Disposal Group Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Cash | $ 2 |  |  |  |  |  |  |  |  | $ 10
Sempra South American Utilities [Member] | Corporate Bonds Due in 2025 [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Stated percentage rate |  |  |  |  |  |  |  | 6.50% |  |
Sempra Mexico [Member] | GdC [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt acquired |  |  |  |  |  | $ 315 |  |  |  |
Current portion of debt acquired |  |  |  |  |  | $ 49 |  |  |  |
Sempra Mexico [Member] | Ventika [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt acquired |  |  |  | $ 478 |  |  |  |  |  |
Current portion of debt acquired |  |  |  | $ 7 |  |  |  |  |  |
Sempra LNG & MIdstream [Member] | Disposal Group Disposed of by Sale [Member] | Energy South [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale |  |  |  |  |  |  | $ 318 |  |  |
Cash |  |  |  |  |  |  | 2 |  |  |
Debt transferred |  |  |  |  |  |  | $ 67 |  |  |
Sempra LNG & MIdstream [Member] | Mobile Gas [Member] | Disposal Group Disposed of by Sale [Member] | Energy South [Member] | 4.14% First Mortgage Bonds [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Stated percentage rate |  |  |  |  |  |  | 4.14% |  |  |
Debt transferred |  |  |  |  |  |  | $ 20 |  |  |
Sempra LNG & MIdstream [Member] | Mobile Gas [Member] | Disposal Group Disposed of by Sale [Member] | Energy South [Member] | 5% First Mortgage Bonds [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Stated percentage rate |  |  |  |  |  |  | 5.00% |  |  |
Debt transferred |  |  |  |  |  |  | $ 42 |  |  |
Sempra LNG & MIdstream [Member] | Willmut Gas [Member] | Disposal Group Disposed of by Sale [Member] | Energy South [Member] | 3.1% Notes Payable [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Stated percentage rate |  |  |  |  |  |  | 3.10% |  |  |
Debt transferred |  |  |  |  |  |  | $ 5 |  |  |
Sempra Energy [Member] | Other Long-term Debt, Due October 2019 [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Gross long-term debt | $ 500 |  |  |  | $ 500 |  |  |  | $ 0 |
Stated percentage rate | 1.625% |  |  |  | 1.625% |  |  |  |  |
Luz Del Sur [Member] | Sempra South American Utilities [Member] | Corporate Bonds Due in 2025 [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Gross long-term debt |  |  |  |  |  |  |  | $ 50 |  |
IEnova [Member] | Sempra Mexico [Member] | GdC [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Acquired percentage interest |  | 50.00% |  |  |  | 50.00% |  |  |  |
Debt acquired |  | $ 364 |  |  |  |  |  |  |  |
Current portion of debt acquired |  | $ 49 |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Ventika [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Gross long-term debt | $ 481 |  |  |  |  |  |  |  |  |
Effective percentage rate | 6.30% |  |  |  |  |  |  |  |  |
Acquired percentage interest |  |  |  | 100.00% |  |  |  |  |  |
Debt acquired | $ 485 |  |  |  |  |  |  |  |  |
Current portion of debt acquired | 7 |  |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Ventika [Member] | Year 2024 [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt acquired | 113 |  |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Ventika [Member] | Matures in March 2032 [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt acquired | 372 |  |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Ventika [Member] | Other Long Term Debt, Payable Currently Through May 2032 [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt subject to fixed rate | $ 254 |  |  |  |  |  |  |  |  |
Stated percentage rate | 3.64% |  |  |  |  |  |  |  |  |
Effective percentage rate | 6.67% |  |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Ventika [Member] | Other Long Term Debt, Payable Currently Through May 2032 [Member] | Credit Spread [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Variable percentage rate | 3.03% |  |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Ventika [Member] | Other Long Term Debt, Variable Rate, Payable Through May 2032, Subject to Hedging [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt subject to variable rate | $ 187 |  |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Ventika [Member] | Other Long Term Debt, Variable Rate, Payable Through May 2032, Not Subject to Hedging [Member] | LIBOR [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt subject to variable rate | $ 40 |  |  |  |  |  |  |  |  |
Variable percentage rate | 3.03% |  |  |  |  |  |  |  |  |
Effective percentage rate | 3.99% |  |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Ventika [Member] | Other Long Term Debt, Variable Rate, Payable Through May 2032 [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt subject to variable rate | $ 227 |  |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Minimum [Member] | GdC [Member] | LIBOR [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Variable percentage rate |  | 2.00% |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Minimum [Member] | Ventika [Member] | Other Long Term Debt, Payable Currently Through May 2032 [Member] | Credit Spread [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Variable percentage rate | 3.03% |  |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Maximum [Member] | GdC [Member] | LIBOR [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Variable percentage rate |  | 2.75% |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Maximum [Member] | Ventika [Member] | Other Long Term Debt, Payable Currently Through May 2032 [Member] | Credit Spread [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Variable percentage rate | 3.93% |  |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Interest Rate Swap [Member] | GdC [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Hedging rate |  | 2.63% |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Interest Rate Swap [Member] | Ventika [Member] | Other Long Term Debt, Variable Rate, Payable Through May 2032, Subject to Hedging [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Hedging rate | 3.26% |  |  |  |  |  |  |  |  |
Effective percentage rate | 6.29% |  |  |  |  |  |  |  |  |
IEnova [Member] | Sempra Mexico [Member] | Interest Rate Swap [Member] | Ventika [Member] | Other Long Term Debt, Variable Rate, Payable Through May 2032, Subject to Hedging [Member] | Credit Spread [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Variable percentage rate | 3.03% |  |  |  |  |  |  |  |  |
Sempra Mexico [Member] | Other Long Term Debt, Payable Currently Through May 2032 [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt subject to fixed rate | $ 254 |  |  |  |  |  |  |  |  |
Gross long-term debt | $ 481 |  |  |  |  |  |  |  | $ 0 |
Effective percentage rate | 6.67% |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Sempra South American Utilities [Member] | Corporate Bonds Due in 2023 [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Stated percentage rate |  |  | 6.375% |  |  |  |  |  |  |
Subsequent Event [Member] | Luz Del Sur [Member] | Sempra South American Utilities [Member] | Corporate Bonds Due in 2023 [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Gross long-term debt |  |  | $ 50 |  |  |  |  |  |  |

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