DEBT AND CREDIT FACILITIES - LINES OF CREDIT (Details)
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9 Months Ended |
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Sep. 30, 2016
USD ($)
lender
line_of_credit
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Sep. 29, 2016
USD ($)
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Dec. 31, 2015 |
| Sempra Energy Consolidated [Member] |
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| Line of Credit Facility [Line Items] |
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| Maximum borrowing capacity |
$ 4,300,000,000.0
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| Number of primary lines of credit | line_of_credit |
3
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| Remaining borrowing capacity |
$ 2,000,000,000
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| Weighted average interest rate on total short-term debt outstanding |
1.19%
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|
1.09%
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| Foreign Operations [Member] |
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| Line of Credit Facility [Line Items] |
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| Maximum borrowing capacity |
$ 1,100,000,000
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| Remaining borrowing capacity |
429,000,000
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| Sempra Energy [Member] |
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| Line of Credit Facility [Line Items] |
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| Maximum borrowing capacity |
$ 1,000,000,000
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| Term of debt agreement |
5 years
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| Number of Lenders | lender |
21
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| Maximum percentage held by lenders participating syndicated lending agreement |
7.00%
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| Maximum ratio of indebtedness to total capitalization |
65.00%
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| Capacity for issuance of letters of credit |
$ 400,000,000
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| Outstanding commercial paper supported by committed lines of credit |
0
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| Sempra Global [Member] |
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| Line of Credit Facility [Line Items] |
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| Maximum borrowing capacity |
2,340,000,000.00
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$ 2,210,000,000.00
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| Remaining borrowing capacity |
$ 79,000,000
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| Term of debt agreement |
5 years
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| Number of Lenders | lender |
21
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| Maximum percentage held by lenders participating syndicated lending agreement |
7.00%
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| Maximum ratio of indebtedness to total capitalization |
65.00%
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| Outstanding commercial paper supported by committed lines of credit |
$ 2,260,000,000
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| California Utilities Combined [Member] |
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| Line of Credit Facility [Line Items] |
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| Maximum borrowing capacity |
$ 1,000,000,000
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| Term of debt agreement |
5 years
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| Number of Lenders | lender |
21
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| Maximum percentage held by lenders participating syndicated lending agreement |
7.00%
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| Capacity for issuance of letters of credit |
$ 250,000,000
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| SDGE [Member] |
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| Line of Credit Facility [Line Items] |
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| Maximum borrowing capacity |
750,000,000
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| Remaining borrowing capacity |
$ 696,000,000
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| Maximum ratio of indebtedness to total capitalization |
65.00%
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| Outstanding commercial paper supported by committed lines of credit |
$ 54,000,000
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| Weighted average interest rate on total short-term debt outstanding |
1.06%
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|
1.01%
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| Southern California Gas Company [Member] |
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| Line of Credit Facility [Line Items] |
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| Maximum borrowing capacity |
$ 750,000,000
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| Remaining borrowing capacity |
$ 750,000,000
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| Maximum ratio of indebtedness to total capitalization |
65.00%
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| Outstanding commercial paper supported by committed lines of credit |
$ 0
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| Sempra South American Utilities [Member] |
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| Line of Credit Facility [Line Items] |
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| Maximum borrowing capacity |
506,000,000
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| Sempra South American Utilities [Member] | Chile [Member] |
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| Line of Credit Facility [Line Items] |
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| Remaining borrowing capacity |
114,000,000
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| Committed lines of credit outstanding borrowings |
0
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| Sempra South American Utilities [Member] | Peru [Member] |
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| Line of Credit Facility [Line Items] |
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| Remaining borrowing capacity |
$ 236,000,000
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| Committed lines of credit, maximum ratio of debt to equity |
170.00%
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| Committed lines of credit outstanding borrowings |
$ 140,000,000
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| Bank guarantee |
16,000,000
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| Sempra Mexico [Member] |
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| Line of Credit Facility [Line Items] |
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| Maximum borrowing capacity |
600,000,000
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| Remaining borrowing capacity |
$ 79,000,000
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| Term of debt agreement |
5 years
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| Committed lines of credit outstanding borrowings |
$ 521,000,000
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