Other Income and Expenses (Tables)

6 Months Ended

Jun. 30, 2011

Other Income and Expenses:

Other Income and Expenses

	Three Months				Six Months
	2011		2010		2011		2010
Ameren:(a)
Miscellaneous income:
Allowance for equity funds used during construction	$	9	$	13	$	15	$	26
Interest income on industrial development revenue bonds		7		7		14		14
Interest and dividend income		1		1		2		2
Other		-		3		2		4
Total miscellaneous income	$	17	$	24	$	33	$	46
Miscellaneous expense:
Donations	$	1	$	1	$	3	$	3
Other		4		1		7		6
Total miscellaneous expense	$	5	$	2	$	10	$	9
Ameren Missouri:
Miscellaneous income:
Allowance for equity funds used during construction	$	9	$	12	$	14	$	25
Interest income on industrial development revenue bonds		7		7		14		14
Interest and dividend income		-		1		1		1
Other		-		-		-		1
Total miscellaneous income	$	16	$	20	$	29	$	41
Miscellaneous expense:
Donations	$	1	$	-	$	2	$	1
Other		2		1		4		2
Total miscellaneous expense	$	3	$	1	$	6	$	3
Ameren Illinois:
Miscellaneous income:
Allowance for equity funds used during construction	$	-	$	1	$	1	$	1
Interest and dividend income		-		-		-		1
Other		1		1		2		2
Total miscellaneous income	$	1	$	2	$	3	$	4
Miscellaneous expense:
Donations	$	-	$	1	$	-	$	1
Other		1		-		2		3
Total miscellaneous expense	$	1	$	1	$	2	$	4
Genco:
Miscellaneous income:
Other	$	-	$	1	$	-	$	1
Total miscellaneous income	$	-	$	1	$	-	$	1
Miscellaneous expense:
Other	$	-	$	-	$	-	$	1
Total miscellaneous expense	$	-	$	-	$	-	$	1

(a) Includes amounts for Ameren registrant and nonregistrant subsidiaries and intercompany eliminations.