Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Commitments and Contingencies [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, 2011, the undiscounted future minimum expected payments for 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 Agreements¹
2012	$	561	$	439	$	624
2013	616		438		828
2014	712		437		812
2015	751		426		705
2016	752		368		476
Thereafter	13,186		1,569		2,853
Total future commitments	$	16,578	$	3,677	$	6,298


¹	Includes power purchase agreements with SCE's consolidated affiliates.

Summary of future fixed capacity payments due under contracts 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
2012	$	839	$	33
2013	966		33
2014	930		72
2015	916		109
2016	815		109
Thereafter	11,468		1,751
Total future commitments	$	15,934	$	2,107
Amount representing executory costs			(445		)
Amount representing interest			(773		)
Net commitments			$	889

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



(in millions)	Operating Leases – Power Plants		Operating Leases – Other
2012	$	311	$	99
2013	300		100
2014	289		83
2015	174		75
2016	115		65
Thereafter	1,412		469
Total future commitments	$	2,601	$	891

Summary of certain other commitments for the years 2011 through 2015

Certain other commitments for the years 2012 through 2016 are estimated below:



(in millions)	2012		2013		2014		2015		2016
Nuclear fuel supply contracts	$	190	$	135	$	78	$	78	$	128
Other fuel supply contracts	479		237		208		83		46
Coal transportation agreements¹	386		326		333		315		315
Gas transportation agreements	7		7		7		7		8
Capital expenditures	286		19		—		—		—
Other contractual obligations	114		73		43		37		19