Regulatory Assets and Liabilities

6 Months Ended

Jun. 30, 2011

Regulatory Assets and Liabilities

Regulatory Assets and Liabilities

Note 14. Regulatory Assets and Liabilities

Regulatory assets included on the consolidated balance sheets are:

(in millions)		June 30, 2011		December 31, 2010
Current:
	Regulatory balancing accounts	$	268	$	213
	Energy derivatives		194		162
	Other		7		3
			469		378
Long-term:
	Deferred income taxes – net		1,912		1,855
	Pensions and other postretirement benefits		1,089		1,097
	Unamortized generation investment – net		328		355
	Unamortized loss on reacquired debt		258		268
	Energy derivatives		465		177
	Nuclear-related ARO investment – net		163		154
	Unamortized distribution investment – net		125		105
	Regulatory balancing accounts		53		56
	Other		297		280
			4,690		4,347
Total Regulatory Assets		$	5,159	$	4,725

Regulatory liabilities included on the consolidated balance sheets are:

(in millions)	June 30, 2011		December 31, 2010
Current:
Regulatory balancing accounts	$	818	$	733
Other		2		5
		820		738
Long-term:
Costs of removal		2,663		2,623
ARO		1,250		1,099
Regulatory balancing accounts		846		802
		4,759		4,524
Total Regulatory Liabilities	$	5,579	$	5,262