Regulatory Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2014

Regulatory Assets and Liabilities Disclosure [Abstract]

Regulatory Assets Included on the Consolidated Balance Sheets

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 Included on the Consolidated Balance Sheets

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