Other Income and Expenses (Tables)

9 Months Ended

Sep. 30, 2014

Other Nonoperating Income (Expense) [Abstract]

Other Income And Expenses

The following table presents the components of “Other Income and Expenses” in the Ameren Companies’ statements of income for the three and nine months ended September 30, 2014, and 2013:

	Three Months				Nine Months
	2014		2013		2014		2013
Ameren:(a)
Miscellaneous income:
Allowance for equity funds used during construction	$	10	$	10	$	26	$	26
Interest income on industrial development revenue bonds	6		7		20		21
Interest income	3		2		8		3
Other	2		1		6		1
Total miscellaneous income	$	21	$	20	$	60	$	51
Miscellaneous expense:
Donations	$	3	$	2	$	9	$	7
Other	4		3		11		11
Total miscellaneous expense	$	7	$	5	$	20	$	18
Ameren Missouri:
Miscellaneous income:
Allowance for equity funds used during construction	$	9	$	8	$	24	$	22
Interest income on industrial development revenue bonds	6		7		20		21
Interest income	—		1		1		1
Total miscellaneous income	$	15	$	16	$	45	$	44
Miscellaneous expense:
Donations	$	2	$	—	$	5	$	3
Other	2		2		5		7
Total miscellaneous expense	$	4	$	2	$	10	$	10
Ameren Illinois:
Miscellaneous income:
Allowance for equity funds used during construction	$	1	$	2	$	2	$	4
Interest income	2		1		5		2
Other	1		1		5		1
Total miscellaneous income	$	4	$	4	$	12	$	7
Miscellaneous expense:
Donations	$	—	$	—	$	3	$	3
Other	2		3		4		4
Total miscellaneous expense	$	2	$	3	$	7	$	7

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