Regulatory Assets, Liabilities, And Balancing Accounts (Tables)

3 Months Ended

Mar. 31, 2015

Long-Term Regulatory Assets

	Balance at
	March 31,		December 31,
(in millions)	2015		2014
Pension benefits	$	2,332	$	2,347
Deferred income taxes		2,521		2,390
Environmental compliance costs		674		717
Utility retained generation		446		456
Price risk management		170		127
Unamortized loss, net of gain, on reacquired debt		108		113
Electromechanical meters		53		70
Other		108		102
Total long-term regulatory assets	$	6,412	$	6,322

Long-Term Regulatory Liabilities

	Balance at
	March 31,		December 31,
(in millions)	2015		2014
Cost of removal obligations	$	4,307	$	4,211
Recoveries in excess of asset retirement obligations		760		754
Public purpose programs		743		701
Other		497		624
Total long-term regulatory liabilities	$	6,307	$	6,290

Regulatory Balancing Accounts Receivable

	Receivable
	Balance at
	March 31,		December 31,
(in millions)	2015		2014
Electric distribution	$	643	$	344
Utility generation		434		261
Gas distribution		413		566
Energy procurement		412		608
Public purpose programs		87		109
Other		238		378
Total regulatory balancing accounts receivable	$	2,227	$	2,266

Regulatory Balancing Accounts Payable

	Payable
	Balance at
	March 31,		December 31,
(in millions)	2015		2014
Energy procurement	$	217	$	188
Public purpose programs		144		154
Other (1)		678		748
Total regulatory balancing accounts payable	$	1,039	$	1,090

(1) At March 31,2015Other regulatory balancing accounts payable mostly includes energy supplier settlements related to the Utility’s outstanding bankruptcy claims.  (See “Resolution of Remaining Chapter 11 Disputed Claims” in Note 9 below).