Other Income and Expenses (Tables)

6 Months Ended

Jun. 30, 2012

Other Income and Expenses [Abstract]

Other Income and Expenses

Other income and expenses are as follows:

	Three months ended June 30,				Six months ended June 30,
(in millions)	2012		2011		2012		2011
Other income:
Equity allowance for funds used during construction	$	27	$	27	$	47	$	56
Increase in cash surrender value of life insurance policies	7		7		14		13
Other	2		5		6		8
Total utility other income	36		39		67		77
Competitive power generation and other income	2		3		1		6
Total other income	$	38	$	42	$	68	$	83
Other expenses:
Civic, political and related activities and donations	$	10	$	9	$	17	$	15
Other	9		4		9		10
Total utility other expenses	19		13		26		25
Competitive power generation and other expenses	—		—		—		—
Total other expenses	$	19	$	13	$	26	$	25