Capital lease term.

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- Definition

Number Of Power Purchase Agreements With Peaker Facilities, Capital Leases.

+ References

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Number Of Power Purchase Agreements With Peaker Facilities In Commercial Operation In 2017.

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- 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.

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- Definition

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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- Definition

Amount of minimum lease payments for capital leases.

+ References

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- Definition

Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amounts to be paid by lessee to lessor for maintenance, insurance, and tax expenses related to the leased asset.

+ References

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- Definition

Amount necessary to reduce net minimum lease payments to present value for capital leases.

+ References

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- Definition

Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

+ References

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- Definition

The charge for the use of long-lived depreciable capital leased assets for the period.

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- References

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- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

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- Definition

Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

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- Definition

Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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COMMITMENTS AND CONTINGENCIES - CAPITAL LEASES (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Capital leases, current portion	$ 15
Capital leases, noncurrent portion	1,255
Power Purchase Agreements [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019	210
2020	210
2021	211
2022	211
2023	211
Thereafter	3,196
Total minimum payments	4,249
Less: estimated executory costs	(480)
Less: interest	(2,483)
Present value of net minimum lease payments	1,286
Power Purchase Agreement Upon Completion of Power Plant [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Present value of net minimum lease payments	$ 16
HQ Build To Suit Lease [Member]
Leases, Capital [Abstract]
Capital lease term	25 years
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019	$ 10
2020	11
2021	11
2022	11
2023	11
Thereafter	217
Total minimum payments	271
Present value of net minimum lease payments	138
Fleet And Other Capital Leases [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019	6
2020	2
2021	1
2022	0
2023	0
Thereafter	9
Present value of net minimum lease payments	11
Utility Fleet Leases [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
Capital lease depreciation expense	8	$ 3	$ 2
Infrastructure Construction And Improvements [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
Estimated payments	686
2019	396
2020	86
2021	43
2022	28
2023	18
Thereafter	115
Infrastructure Construction And Improvements [Member] \| SDG&E [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
Construction projects, payable	144
2019	43
2020	62
2021	22
2022	11
2023	2
Thereafter	4
Infrastructure Construction And Improvements [Member] \| Sempra South American Utilities [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
2019	14
Pipelines [Member] \| Sempra Mexico [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
Estimated payments	469
2019	287
2020	21
2021	18
2022	16
2023	16
Thereafter	111
Natural Gas Pipelines and Ongoing Maintenance Services [Member] \| Sempra Mexico [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
Estimated payments	266
Liquid Fuels Terminals [Member] \| Sempra Mexico [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
Estimated payments	94
Renewables Projects [Member] \| Sempra Mexico [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
Estimated payments	109
Infrastructure Improvements For Natural Gas And Electric Transmission And Distribution [Member] \| SDG&E [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
Construction projects, payable	135
Sempra Renewables Construction [Member] \| Sempra Renewables [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
Estimated payments	13
2019	6
2020	3
2021	3
2022	1
Sempra LNG & Midstream Construction [Member] \| Sempra LNG & Midstream [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
2019	46
San Diego Gas and Electric Company [Member]
Leases, Capital [Abstract]
Capital lease obligations	$ 1,272	732
San Diego Gas and Electric Company [Member] \| Power Purchase Agreements [Member]
Leases, Capital [Abstract]
Number of power purchase agreements with Peaker Facilities, capital leases	6
Number of power purchase agreements with Peaker Facilities, in commercial operation	1
Capital lease obligations	$ 1,270
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
Capital lease depreciation expense	$ 11	8	4
San Diego Gas and Electric Company [Member] \| Purchase Power Agreements With 25 Year Term [Member]
Leases, Capital [Abstract]
Number of power purchase agreements with Peaker Facilities, capital leases	4
Capital lease term	25 years
San Diego Gas and Electric Company [Member] \| Purchase Power Agreements With 20 Year Term [Member]
Leases, Capital [Abstract]
Number of power purchase agreements with Peaker Facilities, capital leases	1
Capital lease term	20 years
San Diego Gas and Electric Company [Member] \| Purchase Power Agreements With 9 Year Term [Member]
Leases, Capital [Abstract]
Number of power purchase agreements with Peaker Facilities, capital leases	1
Capital lease term	9 years
San Diego Gas and Electric Company [Member] \| Fleet And Other Capital Leases [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019	$ 2
San Diego Gas and Electric Company [Member] \| Utility Fleet Leases [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
Capital lease depreciation expense	2	1	1
San Diego Gas and Electric Company [Member] \| Nuclear Plant Maintenance [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
Construction projects, payable	9
Southern California Gas Company [Member]
Leases, Capital [Abstract]
Capital lease obligations	3	1
Southern California Gas Company [Member] \| Fleet And Other Capital Leases [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019	3
Southern California Gas Company [Member] \| Utility Fleet Leases [Member]
Unrecorded Unconditional Purchase Obligation, Rolling Maturity [Abstract]
Capital lease depreciation expense	$ 6	$ 2	$ 1