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DEBT AND CREDIT FACILITIES - NOTES ISSUED IN LONG-TERM DEBT OFFERINGS (Details) - Sempra Energy [Member] - USD ($) $ in Millions | Jan. 12, 2018 | Dec. 31, 2018
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Floating Rate Notes Due Twenty Nineteen [Member] |  |
Debt Instrument [Line Items] |  |
Debt amount | $ 500 |
Floating Rate Notes Due Twenty Nineteen [Member] | LIBOR [Member] |  |
Debt Instrument [Line Items] |  |
Variable percentage rate | 0.25% |
Floating Rate Notes Due Twenty Twenty One [Member] |  |
Debt Instrument [Line Items] |  |
Debt amount | $ 700 |
Floating Rate Notes Due Twenty Twenty One [Member] | LIBOR [Member] |  |
Debt Instrument [Line Items] |  |
Variable percentage rate | 0.50% |
Two Point Four Percent Notes Due Twenty Twenty [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate |  | 2.40%
Debt amount | $ 500 |
Two Point Nine Percent Notes Due Twenty Twenty Three [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate |  | 2.90%
Debt amount | 500 |
Three Point Four Percent Notes Due Twenty Twenty Eight [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate |  | 3.40%
Debt amount | 1,000 |
Three Point Eight Percent Notes Due Twenty Twenty Eight [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate |  | 3.80%
Debt amount | 1,000 |
Four Percent Notes Due Twenty Forty Eight [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate |  | 4.00%
Debt amount | $ 800 |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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