Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2020

Schedule of Affiliate Receivables and Payables

The following table presents the affiliate balances related to income taxes for Ameren Missouri and Ameren Illinois as of March 31, 2020, and December 31, 2019:



	March 31, 2020				December 31, 2019
	Ameren Missouri		Ameren Illinois		Ameren Missouri		Ameren Illinois
Income taxes payable to parent^(a)	$	12	$	48	$	15	$	43
Income taxes receivable from parent^(b)	16		1		15		17


(a)	Included in “Accounts payable – affiliates” on the balance sheet.

(b)

Included in “Accounts receivable – affiliates” on the balance sheet.

Schedule of Related Party Transactions

The following table presents the effect on Ameren Missouri and Ameren Illinois of related-party transactions for the three months ended March 31, 2020 and 2019:



				Three Months
Agreement	Income Statement Line Item			Ameren Missouri		Ameren Illinois
Ameren Missouri power supply	Operating Revenues	2020	$	3	$	(a)
agreements with Ameren Illinois		2019		(b)		(a)
Ameren Missouri and Ameren Illinois	Operating Revenues	2020	$	7	$	1
rent and facility services		2019		7		1
Ameren Missouri and Ameren Illinois	Operating Revenues	2020	$	(b)	$	(b)
miscellaneous support services		2019		(b)		(b)
Total Operating Revenues		2020	$	10	$	1
		2019		7		1
Ameren Illinois power supply	Purchased Power	2020	$	(a)	$	3
agreements with Ameren Missouri		2019		(a)		(b)
Ameren Illinois transmission	Purchased Power	2020	$	(a)	$	(b)
services with ATXI		2019		(a)		(b)
Total Purchased Power		2020	$	(a)	$	3
		2019		(a)		(b)
Ameren Missouri and Ameren Illinois	Other Operations and Maintenance	2020	$	(b)	$	1
rent and facility services		2019		(b)		1
Ameren Services support services	Other Operations and Maintenance	2020	$	35	$	33
agreement		2019		32		30
Total Other Operations and		2020	$	35	$	34
Maintenance		2019		32		31
Money pool borrowings (advances)	(Interest Charges)/Other Income, Net	2020	$	(b)	$	(b)
		2019		—		—


(a)	Not applicable.

(b)

Amount less than $1 million.