Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Schedule Of Commitments And Contingencies [Line Items]

Summary of Power Purchase Agreements Treated as Operating and Capital Leases

The amount of this discount is shown in the table below as the amount representing interest.

(in millions)	Operating Leases		Capital Leases
2018	$	335	$	2
2019	262		2
2020	234		2
2021	198		3
2022	174		3
Thereafter	1,222		21
Total future commitments	$	2,425	$	33
Amount representing executory costs			(15		)
Amount representing interest			(8		)
Net commitments			$	10

Summary of Estimated Minimum Future Commitments for Other Operating Leases

The following summarizes the estimated minimum future commitments for SCE's non-cancelable other operating leases (primarily related to vehicles, office space and other equipment):

(in millions)	Total
2018	$	48
2019	37
2020	27
2021	20
2022	15
Thereafter	99
Total future commitments	$	246

Schedule of Settlement Agreement

The following table summarizes the financial impact of the Revised San Onofre Settlement Agreement and the Utility Shareholder Agreement:

(in millions)
San Onofre base regulatory asset	$	696
DOE litigation regulatory liability	(72		)
MHI Arbitration regulatory liability	(47		)
GHG Reduction Program	(10		)
Other	6
Present value of Utility Shareholder Agreement	143
Total pre-tax charge	$	716
Total after-tax charge	$	448

SCE

Schedule Of Commitments And Contingencies [Line Items]

Summary of Undiscounted Future Expected Payments for Power Purchase Agreements That Have Been Approved by the CPUC and Have Completed Major Milestones for Construction

At December 31, 2017, the undiscounted future expected payments for the SCE power purchase agreements (primarily related to renewable energy contracts), which were approved by the CPUC and met other critical contract provisions (including completion of major milestones for construction), were as follows:

(in millions)	Total
2018	$	2,513
2019	2,513
2020	2,614
2021	2,582
2022	2,562
Thereafter	27,093
Total future commitments	$	39,877

Summary of Certain Future Other Commitments

The following summarizes the estimated minimum future commitments for SCE's other commitments:

(in millions)	2018		2019		2020		2021		2022		Thereafter		Total
Other contractual obligations	$	127	$	72	$	69	$	45	$	46	$	345	$	704