Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

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, 2012, the undiscounted future minimum expected payments for the SCE power purchase agreements that have been approved by the CPUC and have completed major milestones for construction were as follows:



(in millions)	Renewable Energy Contracts		QF Power Purchase Agreements		Other Purchase Agreements
2013	$	629	$	361	$	851
2014	685		358		891
2015	756		324		765
2016	780		258		531
2017	781		226		523
Thereafter	13,031		387		2,554
Total future commitments	$	16,662	$	1,914	$	6,115

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
2013	$	958	$	33
2014	914		71
2015	933		109
2016	856		109
2017	830		109
Thereafter	11,688		1,642
Total future commitments	$	16,179	$	2,073
Amount representing executory costs			(438		)
Amount representing interest			(752		)
Net commitments			$	883

Summary of estimated minimum future commitments for noncancelable power plant facilities and other operating leases

The following summarizes the estimated minimum future commitments for SCE's noncancelable other operating leases (excluding SCE's power purchase agreements discussed above):



(in millions)	Operating Leases – Other
2013	$	71
2014	68
2015	54
2016	41
2017	27
Thereafter	201
Total future commitments	$	462

Summary of certain future other commitments

Certain other commitments for SCE for the years 2013 through 2017 are estimated below:



(in millions)	2013		2014		2015		2016		2017		Thereafter		Total
Nuclear fuel supply contracts¹	$	170	$	76	$	76	$	126	$	95	$	369	$	912
Other fuel supply contracts	42		60		86		48		—		—		236
Other contractual obligations	32		38		38		19		15		271		413


¹	These supply contracts are under review as part of events at San Onofre. See "—Contingencies—San Onofre Outage, Inspection and Repair Issues" below for further information.