OTHER CONTINGENCIES AND COMMITMENTS (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Environmental Remediation Liability

Amounts recorded are not discounted to their present value. The Utility’s environmental remediation liability is primarily included in non-current liabilities on the Consolidated Balance Sheets and is comprised of the following:



	Balance at
(in millions)	December 31, 2018		December 31, 2017
Topock natural gas compressor station	$	369	$	334
Hinkley natural gas compressor station	146		147
Former manufactured gas plant sites owned by the Utility or third parties ⁽¹⁾	520		320
Utility-owned generation facilities (other than fossil fuel-fired), other facilities, and third-party disposal sites ⁽²⁾	111		115
Fossil fuel-fired generation facilities and sites ⁽³⁾	137		123
Total environmental remediation liability	$	1,283	$	1,039

⁽¹⁾Primarily driven by the following sites: Vallejo, San Francisco East Harbor, Napa, and San Francisco North Beach.

⁽²⁾Primarily driven by Geothermal landfill and Shell Pond site.

⁽³⁾ Primarily driven by the San Francisco Potrero Power Plant.

Schedule of Undiscounted Future Expected Power Purchase Agreement Payments

The following table shows the undiscounted future expected obligations under power purchase agreements that have been approved by the CPUC and have met specified construction milestones as well as undiscounted future expected payment obligations for natural gas supplies, natural gas transportation, natural gas storage, and nuclear fuel as of December 31, 2018:



	Power Purchase Agreements
(in millions)	Renewable Energy		Conventional Energy		Other		Natural Gas		Nuclear Fuel		Total
2019	$	2,221	$	642	$	108	$	412	$	108	$	3,491
2020	2,183		639		83		153		151		3,209
2021	2,174		582		65		93		64		2,978
2022	1,984		511		61		93		54		2,703
2023	1,914		223		61		93		49		2,340
Thereafter	24,217		435		162		264		47		25,125
Total purchase commitments	$	34,693	$	3,032	$	540	$	1,108	$	473	$	39,846

Schedule of Future Minimum Payments for Operating Leases

At December 31, 2018, the future minimum payments related to these commitments were as follows:



(in millions)	Operating Leases
2019	$	44
2020	41
2021	36
2022	28
2023	19
Thereafter	121
Total minimum lease payments	$	289