Consolidated Balance Sheet - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Current Assets:
Cash and cash equivalents	$ 17	$ 25
Accounts receivable - trade (less allowance for doubtful accounts)	651	494
Unbilled revenue	348	319
Miscellaneous accounts receivable	70	106
Inventories	792	733
Current regulatory assets	226	365
Other current assets	153	139
Total current assets	2,257	2,181
Property, Plant, and Equipment, Net	35,720	33,776
Investments and Other Assets:
Nuclear decommissioning trust fund	1,333	1,150
Goodwill	411	411
Regulatory assets	1,915	1,810
Pension and other postretirement benefits	581	581
Other assets	1,081	921
Total investments and other assets	5,321	4,873
TOTAL ASSETS	43,298	40,830
Current Liabilities:
Current maturities of long-term debt	300	849
Short-term debt	1,539	536
Accounts and wages payable	717	1,136
Customer deposits	205	176
Taxes accrued	206	54
Other current liabilities	600	594
Total current liabilities	3,567	3,345
Long-term Debt, Net	16,422	15,121
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes and tax credits, net	4,477	4,176
Regulatory liabilities	5,562	5,512
Asset retirement obligations	798	772
Other deferred credits and liabilities	510	426
Total deferred credits and other liabilities	11,347	10,886
Commitments and Contingencies
Shareholders’ Equity:
Common Stock	3	3
Other paid-in capital, principally premium on common stock	7,264	7,216
Retained earnings	4,576	4,136
Accumulated other comprehensive loss	(10)	(6)
Total shareholders’ equity	11,833	11,349
Noncontrolling Interests	129	129
Total equity	11,962	11,478
TOTAL LIABILITIES AND EQUITY	43,298	40,830
Union Electric Company
Current Assets:
Cash and cash equivalents	0	0
Advances to money pool	9	0
Unbilled revenue	229	163
Miscellaneous accounts receivable	28	26
Inventories	529	508
Current regulatory assets	84	101
Other current assets	65	68
Total current assets	1,266	1,142
Property, Plant, and Equipment, Net	18,518	17,250
Investments and Other Assets:
Nuclear decommissioning trust fund	1,333	1,150
Regulatory assets	746	755
Pension and other postretirement benefits	142	157
Other assets	204	152
Total investments and other assets	2,425	2,214
TOTAL ASSETS	22,209	20,606
Current Liabilities:
Current maturities of long-term debt	0	350
Short-term debt	576	170
Borrowings from money pool	17	306
Taxes accrued	184	28
Other current liabilities	322	222
Total current liabilities	1,489	1,747
Long-term Debt, Net	6,830	5,991
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes and tax credits, net	2,208	2,122
Regulatory liabilities	2,914	2,959
Asset retirement obligations	795	768
Other deferred credits and liabilities	126	56
Total deferred credits and other liabilities	6,043	5,905
Commitments and Contingencies
Shareholders’ Equity:
Common Stock	511	511
Other paid-in capital, principally premium on common stock	3,075	2,725
Preferred stock	80	80
Retained earnings	4,181	3,647
Total shareholders’ equity	7,847	6,963
TOTAL LIABILITIES AND EQUITY	22,209	20,606
Union Electric Company | Nonrelated Party
Current Assets:
Accounts receivable - trade (less allowance for doubtful accounts)	300	204
Current Liabilities:
Accounts and wages payable	327	618
Union Electric Company | Related Party
Current Assets:
Accounts receivable - trade (less allowance for doubtful accounts)	22	72
Current Liabilities:
Accounts and wages payable	63	53
Ameren Illinois Company
Current Assets:
Cash and cash equivalents	0	0
Unbilled revenue	119	156
Miscellaneous accounts receivable	7	44
Inventories	260	225
Current regulatory assets	139	252
Other current assets	66	62
Total current assets	944	1,047
Property, Plant, and Equipment, Net	15,247	14,632
Investments and Other Assets:
Goodwill	411	411
Regulatory assets	1,135	1,035
Pension and other postretirement benefits	419	394
Other assets	679	603
Total investments and other assets	2,644	2,443
TOTAL ASSETS	18,835	18,122
Current Liabilities:
Current maturities of long-term debt	300	0
Short-term debt	17	366
Borrowings from money pool	0	135
Customer deposits	166	141
Current regulatory liabilities	50	71
Other current liabilities	230	298
Total current liabilities	1,193	1,433
Long-term Debt, Net	5,552	5,232
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes and tax credits, net	2,012	1,906
Regulatory liabilities	2,504	2,418
Other deferred credits and liabilities	346	308
Total deferred credits and other liabilities	4,862	4,632
Commitments and Contingencies
Shareholders’ Equity:
Common Stock	0	0
Other paid-in capital, principally premium on common stock	3,020	3,020
Preferred stock	49	49
Retained earnings	4,159	3,756
Total shareholders’ equity	7,228	6,825
TOTAL LIABILITIES AND EQUITY	18,835	18,122
Ameren Illinois Company | Nonrelated Party
Current Assets:
Accounts receivable - trade (less allowance for doubtful accounts)	336	273
Current Liabilities:
Accounts and wages payable	283	370
Ameren Illinois Company | Related Party
Current Assets:
Accounts receivable - trade (less allowance for doubtful accounts)	17	35
Current Liabilities:
Accounts and wages payable	$ 147	$ 52