Capital lease term.

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- Definition

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

+ References

No definition available.

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- Definition

Number Of Power Purchase Agreements With Peaker Facilities In Commercial Operation In 2015.

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- Definition

Power Plant, Energy Generating Capacity

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- Definition

Power Purchase Agreement, Term

+ References

No definition available.

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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.

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-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

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45023-112735

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19
-Article 5

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-SubTopic 30
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

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-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45023-112735

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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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- Definition

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.

+ References

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- Definition

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.

+ References

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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.

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 840
-Section 55
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6501752&loc=d3e56872-110439

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COMMITMENTS AND CONTINGENCIES - CAPITAL LEASES (Details) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2017 MW	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
HQ Build To Suit Lease [Member]
Capital Lease Obligations [Abstract]
Capital Lease Term (Years)		25
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017		$ 10
2018		10
2019		10
2020		11
2021		11
Thereafter		245
Total minimum payments		297
Present value of net minimum lease payments		137
Utility Fleet Leases [Member]
Capital Leases, Income Statement of Lessee [Abstract]
Capital Leases, Income Statement, Depreciation Expense		2	$ 4	$ 4
Power Purchase Agreements [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017		77
2018		104
2019		104
2020		104
2021		104
Thereafter		1,806
Total minimum payments		2,299
Less: estimated executory costs		(517)
Less: interest		(1,043)
Present value of net minimum lease payments		739
Capital Leases, Current portion		8
Capital leases, Noncurrent portion		231
Fleet And Other Capital Leases [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017		2
2018		2
2019		1
Thereafter		8
Present value of net minimum lease payments		6
San Diego Gas and Electric Company [Member]
Capital Lease Obligations [Abstract]
Capital lease obligations		240	244
San Diego Gas and Electric Company [Member] \| Utility Fleet Leases [Member]
Capital Leases, Income Statement of Lessee [Abstract]
Capital Leases, Income Statement, Depreciation Expense		1	2	2
San Diego Gas and Electric Company [Member] \| Power Purchase Agreements [Member]
Capital Lease Obligations [Abstract]
Capital lease obligations		$ 239
Capital Lease Term (Years)		25
Capital Leases, Income Statement of Lessee [Abstract]
Capital Leases, Income Statement, Depreciation Expense		$ 4	4	3
Leases, Capital [Abstract]
Number Of Power Purchase Agreements With Peaker Facilities, Capital Leases		4
Number Of Power Purchase Agreements With Peaker Facilities In Commercial Operation In 2015		1
San Diego Gas and Electric Company [Member] \| Pending Power Purchase Agreement With Peaker Facilities, Capital Lease [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Present value of net minimum lease payments		$ 500
San Diego Gas and Electric Company [Member] \| Purchase Power Agreements With 25 Year Term [Member]
Capital Lease Obligations [Abstract]
Capital Lease Term (Years)		25
San Diego Gas and Electric Company [Member] \| Purchase Power Agreements With 9 Year Term [Member]
Capital Lease Obligations [Abstract]
Capital Lease Term (Years)		9
Southern California Gas Company [Member]
Capital Lease Obligations [Abstract]
Capital lease obligations		$ 0	1
Southern California Gas Company [Member] \| Utility Fleet Leases [Member]
Capital Leases, Income Statement of Lessee [Abstract]
Capital Leases, Income Statement, Depreciation Expense		$ 1	$ 2	$ 2
Subsequent Event [Member] \| Intermediate Stage Power Plant Facility [Member] \| San Diego Gas and Electric Company [Member]
Capital Leases, Income Statement of Lessee [Abstract]
Power purchase agreement term	20 years
Generating capacity (in mw) \| MW	500