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COMMITMENTS AND CONTINGENCIES - LESSEE BALANCE SHEET INFORMATION (Details) | Mar. 31, 2019 USD ($)
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Lessee, Lease, Description [Line Items] |
Right-of-use assets | $ 612,000,000
Property, plant and equipment | 1,322,000,000
Accumulated depreciation | (45,000,000)
Property, plant and equipment, net | 1,277,000,000
Total right-of-use assets | 1,889,000,000
Other current liabilities | 52,000,000
Deferred credits and other | 455,000,000
Total lease liabilities | 507,000,000
Current portion of long-term debt and finance leases | 21,000,000
Long-term debt and finance leases | 1,256,000,000
Total lease liabilities | 1,277,000,000
Total lease liabilities | $ 1,784,000,000
Operating leases, Weighted-average remaining lease term (in years) | 14 years
Finance leases, Weighted-average remaining lease term (in years) | 20 years
Operating leases, Weighted-average discount rate | 5.87%
Finance leases, Weighted-average discount rate | 14.91%
San Diego Gas and Electric Company [Member] |
Lessee, Lease, Description [Line Items] |
Right-of-use assets | $ 135,000,000
Property, plant and equipment | 1,315,000,000
Accumulated depreciation | (43,000,000)
Property, plant and equipment, net | 1,272,000,000
Total right-of-use assets | 1,407,000,000
Other current liabilities | 24,000,000
Deferred credits and other | 110,000,000
Total lease liabilities | 134,000,000
Current portion of long-term debt and finance leases | 18,000,000
Long-term debt and finance leases | 1,254,000,000
Total lease liabilities | 1,272,000,000
Total lease liabilities | $ 1,406,000,000
Operating leases, Weighted-average remaining lease term (in years) | 7 years
Finance leases, Weighted-average remaining lease term (in years) | 20 years
Operating leases, Weighted-average discount rate | 3.69%
Finance leases, Weighted-average discount rate | 14.92%
Southern California Gas Company [Member] |
Lessee, Lease, Description [Line Items] |
Right-of-use assets | $ 110,000,000
Property, plant and equipment | 7,000,000
Accumulated depreciation | (2,000,000)
Property, plant and equipment, net | 5,000,000
Total right-of-use assets | 115,000,000
Other current liabilities | 22,000,000
Deferred credits and other | 88,000,000
Total lease liabilities | 110,000,000
Current portion of long-term debt and finance leases | 3,000,000
Long-term debt and finance leases | 2,000,000
Total lease liabilities | 5,000,000
Total lease liabilities | $ 115,000,000
Operating leases, Weighted-average remaining lease term (in years) | 6 years
Finance leases, Weighted-average remaining lease term (in years) | 3 years
Operating leases, Weighted-average discount rate | 3.76%
Finance leases, Weighted-average discount rate | 3.94%

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