XML 128 R96.htm IDEA: XBRL DOCUMENT
v3.10.0.1

DEBT AND CREDIT FACILITIES - SCHEDULE OF LONG-TERM DEBT INSTRUMENTS (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017
Debt Instrument [Line Items] |  |
Current portion of long-term debt | $ (1,673) | $ (1,427)
Long-term debt | 21,611 | 16,445
San Diego Gas and Electric Company [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | 4,776 | 4,573
Capital lease obligations | 1,272 | 732
Long-term debt and capital lease obligations | 6,268 | 5,600
Current portion of long-term debt | (81) | (220)
Unamortized discount on long-term debt | (12) | (11)
Unamortized debt issuance costs | (37) | (34)
Long-term debt | 6,138 | 5,335
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due July 2018 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | 0 | $ 161
Stated percentage rate |  | 1.65%
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due August 2021 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 350 | $ 350
Stated percentage rate | 3.00% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds Due February 2022 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 125 | 161
Stated percentage rate | 1.914% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due September 2023 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 450 | 450
Stated percentage rate | 3.60% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds Due May 2026 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 500 | 500
Stated percentage rate | 2.50% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due January and February 2034 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 176 | 176
Stated percentage rate | 5.875% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due May 2035 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 250 | 250
Stated percentage rate | 5.35% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due September 2037 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 250 | 250
Stated percentage rate | 6.125% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due May 2039 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 75 | 75
Stated percentage rate | 4.00% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due June 2039 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 300 | 300
Stated percentage rate | 6.00% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due May 2040 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 250 | 250
Stated percentage rate | 5.35% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due August 2040 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 500 | 500
Stated percentage rate | 4.50% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due November 2041 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 250 | 250
Stated percentage rate | 3.95% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due April 2042 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 250 | 250
Stated percentage rate | 4.30% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due June 2047 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 400 | 400
Stated percentage rate | 3.75% |
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due May 2048 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 400 | 0
Stated percentage rate | 4.15% |
San Diego Gas and Electric Company [Member] | Capital Lease Obligations, Purchased Power Agreements [Member] |  |
Debt Instrument [Line Items] |  |
Capital lease obligations | $ 1,270 | 731
San Diego Gas and Electric Company [Member] | Capital Lease Obligations, Other [Member] |  |
Debt Instrument [Line Items] |  |
Capital lease obligations | 2 | 1
San Diego Gas and Electric Company [Member] | First Mortgage Bonds, Due June 2026 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 250 | 250
Stated percentage rate | 6.00% |
San Diego Gas and Electric Company [Member] | Other Long-term Debt [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt and capital lease obligations | $ 1,492 | 1,027
San Diego Gas and Electric Company [Member] | Otay Mesa Energy Center Loan Payable Currently Through April 2019 [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 5.2925% |
Variable percentage rate | 4.7896% |
Southern California Gas Company [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 3,450 | 3,000
Capital lease obligations | 3 | 1
Long-term debt and capital lease obligations | 3,462 | 3,010
Current portion of long-term debt | (3) | (501)
Unamortized discount on long-term debt | (6) | (7)
Unamortized debt issuance costs | (26) | (17)
Long-term debt | 3,427 | 2,485
Southern California Gas Company [Member] | First Mortgage Bonds, Due April 2018 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 0 | 250
Stated percentage rate | 5.45% |
Southern California Gas Company [Member] | First Mortgage Bonds Due June 2018 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 0 | 250
Stated percentage rate | 1.55% |
Southern California Gas Company [Member] | First Mortgage Bonds, Due September 2024 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 500 | 500
Stated percentage rate | 3.15% |
Southern California Gas Company [Member] | First Mortgage Bonds Due June 2025 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 350 | 350
Stated percentage rate | 3.20% |
Southern California Gas Company [Member] | First Mortgage Bonds, Due June 2026 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 500 | 500
Stated percentage rate | 2.60% |
Southern California Gas Company [Member] | First Mortgage Bonds, Due November 2035 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 250 | 250
Stated percentage rate | 5.75% |
Southern California Gas Company [Member] | First Mortgage Bonds, Due November 2040 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 300 | 300
Stated percentage rate | 5.125% |
Southern California Gas Company [Member] | First Mortgage Bonds, Due September 2042 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 350 | 350
Stated percentage rate | 3.75% |
Southern California Gas Company [Member] | First Mortgage Bonds, Due March 2044 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 250 | 250
Stated percentage rate | 4.45% |
Southern California Gas Company [Member] | First Mortgage Bonds, Due June 2048 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 400 | 0
Stated percentage rate | 4.125% |
Southern California Gas Company [Member] | First Mortgage Bonds Due January 2049 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 550 | 0
Stated percentage rate | 4.30% |
Southern California Gas Company [Member] | Other Long-term Debt [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt and capital lease obligations | $ 12 | 10
Southern California Gas Company [Member] | Other Long-term Debt, Due May 2026 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 4 | 4
Stated percentage rate | 1.875% |
Southern California Gas Company [Member] | Other Long-term Debt, Due January 2028 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 5 | 5
Stated percentage rate | 5.67% |
Sempra Energy [Member] |  |
Debt Instrument [Line Items] |  |
Build to suit lease | $ 138 | 138
Sempra Energy [Member] | Other Long-term Debt, Due June 2018 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | 0 | $ 500
Stated percentage rate |  | 6.15%
Sempra Energy [Member] | Other Long-term Debt, Due February 2019 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 500 | $ 500
Stated percentage rate | 9.80% |
Sempra Energy [Member] | Other Long-term Debt, Due July 2019 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 500 | 0
Stated percentage rate | 2.69% |
Sempra Energy [Member] | Other Long-term Debt, Due October 2019 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 500 | 500
Stated percentage rate | 1.625% |
Sempra Energy [Member] | Other Long Term Debt Due February 2020 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 500 | 0
Sempra Energy [Member] | Other Long Term Debt Due March 2020 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 500 | 500
Stated percentage rate | 2.40% |
Sempra Energy [Member] | Other Long Term Debt, Due November 2020 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 400 | 400
Stated percentage rate | 2.85% |
Sempra Energy [Member] | Other Long-term Debt, Due January 2021 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 700 | 0
Effective percentage rate | 2.94% |
Sempra Energy [Member] | Other Long Term Debt, Due March 2021 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 850 | 850
Effective percentage rate | 3.24% |
Sempra Energy [Member] | Other Long-term Debt, Due October 2022 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 500 | 500
Stated percentage rate | 2.875% |
Sempra Energy [Member] | Other Long-term Debt, Due February 2023 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 500 | 0
Stated percentage rate | 2.90% |
Sempra Energy [Member] | Other Long-term Debt, Due December 2023 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 500 | 500
Stated percentage rate | 4.05% |
Sempra Energy [Member] | Other Long Term Debt Due June 2024 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 500 | 500
Stated percentage rate | 3.55% |
Sempra Energy [Member] | Other Long-term Debt, Due November 2025 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 350 | 350
Stated percentage rate | 3.75% |
Sempra Energy [Member] | Other Long Term Debt Due June 2027 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 750 | 750
Stated percentage rate | 3.25% |
Sempra Energy [Member] | Other Long Term Debt Due February 2028 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 1,000 | 0
Sempra Energy [Member] | Other Long Term Debt Due February 2038 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | 1,000 | 0
Sempra Energy [Member] | Other Long-Term Debt, Due October 2039 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 750 | 750
Stated percentage rate | 6.00% |
Sempra Energy [Member] | Other Long Term Debt Due February 2048 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 800 | 0
Stated percentage rate | 4.00% |
Sempra Energy [Member] | Market Value Adjustment For Interest Rate Swap [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 0 | (1)
Sempra Energy [Member] | Two Point Four Percent Notes Due Twenty Twenty [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 2.40% |
Sempra Energy [Member] | Two Point Nine Percent Notes Due Twenty Twenty Three [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 2.90% |
Sempra Energy [Member] | Three Point Four Percent Notes Due Twenty Twenty Eight [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 3.40% |
Sempra Energy [Member] | Three Point Eight Percent Notes Due Twenty Twenty Eight [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 3.80% |
Sempra Energy [Member] | Four Percent Notes Due Twenty Forty Eight [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 4.00% |
Sempra South American Utilities [Member] |  |
Debt Instrument [Line Items] |  |
Capital lease obligations | $ 6 | 6
Sempra South American Utilities [Member] | Other Long-term Debt, Currently Through October 2030 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 186 | 205
Stated percentage rate | 4.25% |
Sempra South American Utilities [Member] | Other Long-term Debt, Currently Through December 2018 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 105 | 53
Sempra South American Utilities [Member] | Other Long-term Debt, Currently Through December 2018 [Member] | Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 4.30% |
Sempra South American Utilities [Member] | Other Long-term Debt, Currently Through December 2018 [Member] | Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 5.70% |
Sempra South American Utilities [Member] | Other Long Term Debt, Payable Currently Through September 2029 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 432 | 415
Sempra South American Utilities [Member] | Other Long Term Debt, Payable Currently Through September 2029 [Member] | Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 4.75% |
Sempra South American Utilities [Member] | Other Long Term Debt, Payable Currently Through September 2029 [Member] | Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 8.75% |
Sempra South American Utilities [Member] | Other Long Term Debt, Payable Currently Through May 2022 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 4 | 6
Sempra South American Utilities [Member] | Other Long Term Debt, Payable Currently Through May 2022 [Member] | Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 3.77% |
Sempra South American Utilities [Member] | Other Long Term Debt, Payable Currently Through May 2022 [Member] | Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 4.61% |
Sempra Mexico [Member] | Other Long-term Debt, Due February 2023 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 198 | 198
Stated percentage rate | 6.30% |
Effective percentage rate | 4.12% |
Sempra Mexico [Member] | Other Long-term Debt, Due February 2018 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 0 | 66
Variable percentage rate | 2.66% |
Sempra Mexico [Member] | Other Long-term Debt, Currently Through December 2026 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 275 | 314
Stated percentage rate | 4.88% |
Sempra Mexico [Member] | Other Long-term Debt, Currently Through January 2028 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 300 | 300
Stated percentage rate | 3.75% |
Sempra Mexico [Member] | Other Long Term Debt, Payable Currently Through March 2032 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 447 | 468
Stated percentage rate | 6.67% |
Long-term debt subject to fixed rate | $ 246 |
Sempra Mexico [Member] | Other Long Term Debt, Payable Currently Through March 2032, Variable Rate Two [Member] |  |
Debt Instrument [Line Items] |  |
Effective percentage rate | 5.82% |
Long-term debt subject to variable rate | $ 37 |
Sempra Mexico [Member] | Other Long Term Debt, Payable Currently Through May 2032, Variable Rate One [Member] |  |
Debt Instrument [Line Items] |  |
Weighted average rate | 6.33% |
Long-term debt subject to variable rate | $ 164 |
Sempra Mexico [Member] | Other Long-term Debt, Currently Through January 2048 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 540 | 540
Stated percentage rate | 4.875% |
Sempra Mexico [Member] | Other Long-term Debt, Currently Through July 2028 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 4 | 0
Variable percentage rate | 6.07% |
Sempra Renewables [Member] | Other LongTerm Debt, Variable Rate Loan Payable Currently Through December 2028 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 0 | $ 77
Stated percentage rate |  | 3.668%
Variable percentage rate |  | 3.325%
Long-term debt subject to fixed rate |  | $ 59
Sempra LNG & Midstream [Member] | Other Long-term Debt, Currently Through October 2026 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | $ 21 | 20
Sempra LNG & Midstream [Member] | Other Long-term Debt, Currently Through October 2026 [Member] | Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 2.87% |
Sempra LNG & Midstream [Member] | Other Long-term Debt, Currently Through October 2026 [Member] | Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Stated percentage rate | 3.51% |
Other Sempra Energy [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt and capital lease obligations | $ 13,756 | 9,405
Current portion of long-term debt | (1,589) | (706)
Unamortized discount on long-term debt | (38) | (13)
Unamortized premium on long-term debt | 4 | 4
Unamortized debt issuance costs | (87) | (65)
Long-term debt | 12,046 | 8,625
Otay Mesa VIE [Member] |  |
Debt Instrument [Line Items] |  |
Current portion of long-term debt | (28) | (10)
Otay Mesa VIE [Member] | San Diego Gas and Electric Company [Member] |  |
Debt Instrument [Line Items] |  |
Current portion of long-term debt | (28) | (10)
Long-term debt | 190 | 284
Otay Mesa VIE [Member] | San Diego Gas and Electric Company [Member] | Otay Mesa Energy Center Loan Payable Currently Through April 2019 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | 0 | 295
Otay Mesa VIE [Member] | San Diego Gas and Electric Company [Member] | Otay Mesa Energy Center Loan Payable 2019 through 2024 [Member] |  |
Debt Instrument [Line Items] |  |
Gross long-term debt | 220 | $ 0
Notional amount of derivative liability | $ 142 |
Fixed percentage interest rate | 5.2925% |

X
- Definition Build-to-suit lease. + References No definition available. + Details
Name: | sre_BuildToSuitLease
Namespace Prefix: | sre_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long term debt and capital lease obligations, including current portion. + References No definition available. + Details
Name: | sre_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentPortion
Namespace Prefix: | sre_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_CapitalLeaseObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: 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
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt discount. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after accumulated amortization, of debt premium. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399 + Details
Name: | us-gaap_DebtInstrumentUnamortizedPremium
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Nominal or face amount used to calculate payments on the derivative liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeLiabilityNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer. + 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtAndCapitalLeaseObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer. + 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 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time. + 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
Name: | us-gaap_LongTermDebtPercentageBearingVariableInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + References No definition available. + Details
Name: | us-gaap_LongtermDebtPercentageBearingFixedInterestAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time. + References No definition available. + Details
Name: | us-gaap_LongtermDebtPercentageBearingVariableInterestAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + 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 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_UnamortizedDebtIssuanceExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=sre_SanDiegoGasAndElectricCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueJuly2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueAugust2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_Firstmortgagebondsduefebruary2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueSeptember2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueMay2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueJanuaryAndFebruary2034Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueMay2035Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueSeptember2037Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueMay2039Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueJune2039Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueMay2040Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueAugust2040Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueNovember2041Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueApril2042Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueJune2047Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueMay2048Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_CapitalLeaseObligationsPurchasedPowerAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_CapitalLeaseObligationsOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueJune2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtayMesaEnergyCenterLoanPayableCurrentlyThroughApril2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=sre_SouthernCaliforniaGasCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueApril2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_Firstmortgagebondsduejune2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueSeptember2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_Firstmortgagebondsduejune2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueNovember2035Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueNovember2040Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueSeptember2042Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueMarch2044Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueJune2048Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FirstMortgageBondsDueJanuary2049MemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongtermDebtDueMay2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueJanuary2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=sre_SempraEnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueJune2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueFebruary2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongtermDebtDueJuly2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongtermDebtDueOctober2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueFebruary2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueMarch2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueNovember2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongtermDebtDueJanuary2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtVariableRateNotesDueMarch2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueOctober2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueFebruary2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueDecember2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueJune2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueNovember2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueJune2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueFebruary2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueFebruary2038Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueOctober2039Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueFebruary2048Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_MarketValueAdjustmentForInterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_TwoPointFourPercentSeniorNotesDueTwentyTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_TwoPointNinePercentSeniorNotesDueTwentyTwentyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_ThreePointFourPercentSeniorNotesDueTwentyTwentyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_ThreePointEightPercentSeniorNotesDueTwentyTwentyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_FourPercentSeniorNotesDueTwentyFortyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=sre_SempraSouthAmericanUtilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongtermDebtCurrentlyThroughOctober2030Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtCurrentlyThroughDecember2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtPayableCurrentlyThroughSeptember2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtPayableCurrentlyThroughMay2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=sre_SempraMexicoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtDueFebruary2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongtermDebtCurrentlyThroughDecember2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongtermDebtCurrentlyThroughJanuary2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtPayableCurrentlyThroughMarch2032Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtPayableCurrentlyThroughMarch2032VariableRateTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongTermDebtPayableCurrentlyThroughMay2032VariableRateOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongtermDebtCurrentlyThroughJanuary2048Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongtermDebtCurrentlyThroughJuly2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=sre_SempraRenewablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongtermDebtVariableRateLoanPayableCurrentlyThroughDecember2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=sre_SempraLNGMidstreamMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtherLongtermDebtCurrentlyThroughOctober2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=sre_OtherSempraEnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=sre_OtayMesaVieMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sre_OtayMesaEnergyCenterLoanPayable2019through2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |