Regulatory Assets and Liabilities

3 Months Ended

Mar. 31, 2014

Regulatory Assets and Liabilities Disclosure [Abstract]

Regulatory Assets and Liabilities

Regulatory Assets and Liabilities

Regulatory Assets

SCE's regulatory assets included on the consolidated balance sheets are:

(in millions)	March 31, 2014		December 31, 2013
Current:
Regulatory balancing accounts	$	883	$	484
Energy derivatives	48		54
Total current	931		538
Long-term:
Deferred income taxes, net	3,116		2,957
Pensions and other postretirement benefits	377		369
Energy derivatives	768		816
Unamortized investments, net	312		332
San Onofre	1,371		1,325
Unamortized loss on reacquired debt	216		222
Nuclear-related investment, net	33		34
Regulatory balancing accounts	819		818
Other	339		368
Total long-term	7,351		7,241
Total regulatory assets	$	8,282	$	7,779

Regulatory Liabilities

SCE's regulatory liabilities included on the consolidated balance sheets are:

(in millions)	March 31, 2014		December 31, 2013
Current:
Regulatory balancing accounts	$	417	$	724
Other	38		43
Total current	455		767
Long-term:
Costs of removal	2,811		2,780
Asset retirement obligations	1,112		1,071
Regulatory balancing accounts	1,347		1,132
San Onofre	371		—
Other	14		12
Total long-term	5,655		4,995
Total regulatory liabilities	$	6,110	$	5,762

Regulatory Balancing Accounts

The following table summarizes the significant components of regulatory balancing accounts included in the above tables of regulatory assets and liabilities:

(in millions)	March 31, 2014			December 31, 2013
Asset (liability)
Energy resource recovery account	$	1,478		$	1,005
Four Corners memorandum account	4			145
New system generation balancing account	99			132
Public purpose programs and energy efficiency programs	(959		)	(1,037		)
Base rate recovery balancing account	(29		)	(247		)
Greenhouse gas auction revenue	(470		)	(385		)
FERC balancing accounts	(13		)	(59		)
Other	(172		)	(108		)
Net liability	$	(62	)	$	(554	)