Consolidated Balance Sheet - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 7	$ 8
Accounts receivable - trade (less allowance for doubtful accounts)	519	434
Unbilled revenue	400	301
Miscellaneous accounts receivable	81	85
Inventories	600	592
Mark-to-market derivative assets	157	66
Current regulatory assets	333	319
Current collateral assets	222	66
Other current assets	77	97
Total current assets	2,396	1,968
Property, Plant, and Equipment, Net	30,086	29,261
Investments and Other Assets:
Nuclear decommissioning trust fund	957	1,159
Goodwill	411	411
Regulatory assets	1,487	1,289
Pension and other postretirement benefits	808	756
Other assets	963	891
Total investments and other assets	4,626	4,506
TOTAL ASSETS	37,108	35,735
Current Liabilities:
Current maturities of long-term debt	605	505
Short-term debt	1,021	545
Accounts and wages payable	897	1,095
Current regulatory liabilities	241	113
Other current liabilities	824	568
Total current liabilities	3,588	2,826
Long-term Debt, Net	12,985	12,562
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes and tax credits, net	3,614	3,499
Regulatory liabilities	5,727	5,848
Asset retirement obligations	774	757
Other deferred credits and liabilities	411	414
Total deferred credits and other liabilities	10,526	10,518
Commitments and Contingencies
Shareholders’ Equity:
Common Stock	3	3
Other paid-in capital, principally premium on common stock	6,527	6,502
Retained earnings	3,336	3,182
Accumulated other comprehensive income	14	13
Total shareholders’ equity	9,880	9,700
Noncontrolling Interests	129	129
Total equity	10,009	9,829
TOTAL LIABILITIES AND EQUITY	37,108	35,735
Union Electric Company
Current Assets:
Cash and cash equivalents	0	0
Accounts receivable - trade (less allowance for doubtful accounts)	201	190
Accounts receivable – affiliates	55	44
Unbilled revenue	244	142
Miscellaneous accounts receivable	50	71
Inventories	426	419
Mark-to-market derivative assets	89	38
Current regulatory assets	232	127
Current collateral assets	199	66
Other current assets	23	38
Total current assets	1,519	1,135
Property, Plant, and Equipment, Net	15,635	15,296
Investments and Other Assets:
Nuclear decommissioning trust fund	957	1,159
Regulatory assets	640	523
Pension and other postretirement benefits	225	208
Other assets	425	401
Total investments and other assets	2,247	2,291
TOTAL ASSETS	19,401	18,722
Current Liabilities:
Current maturities of long-term debt	55	55
Short-term debt	285	165
Accounts and wages payable	388	631
Accounts payable – affiliates	37	46
Taxes accrued	134	34
Interest accrued	75	60
Mark-to-market derivative liabilities	145	53
Current regulatory liabilities	130	57
Other current liabilities	134	116
Total current liabilities	1,383	1,217
Long-term Debt, Net	6,084	5,564
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes and tax credits, net	1,901	1,852
Regulatory liabilities	3,121	3,354
Asset retirement obligations	770	753
Other deferred credits and liabilities	81	71
Total deferred credits and other liabilities	5,873	6,030
Commitments and Contingencies
Shareholders’ Equity:
Common Stock	511	511
Other paid-in capital, principally premium on common stock	2,725	2,725
Preferred stock	80	80
Retained earnings	2,745	2,595
Total shareholders’ equity	6,061	5,911
TOTAL LIABILITIES AND EQUITY	19,401	18,722
Ameren Illinois Company
Current Assets:
Cash and cash equivalents	0	0
Accounts receivable - trade (less allowance for doubtful accounts)	302	228
Accounts receivable – affiliates	9	24
Unbilled revenue	156	159
Miscellaneous accounts receivable	16	1
Inventories	174	173
Mark-to-market derivative assets	68	28
Current regulatory assets	94	180
Other current assets	46	30
Total current assets	865	823
Property, Plant, and Equipment, Net	12,688	12,223
Investments and Other Assets:
Goodwill	411	411
Regulatory assets	828	752
Pension and other postretirement benefits	449	427
Other assets	478	399
Total investments and other assets	2,166	1,989
TOTAL ASSETS	15,719	15,035
Current Liabilities:
Current maturities of long-term debt	500	400
Short-term debt	141	103
Accounts and wages payable	428	361
Accounts payable – affiliates	118	64
Current regulatory liabilities	111	54
Other current liabilities	277	251
Total current liabilities	1,575	1,233
Long-term Debt, Net	3,894	3,992
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes and tax credits, net	1,626	1,558
Regulatory liabilities	2,484	2,374
Other deferred credits and liabilities	228	238
Total deferred credits and other liabilities	4,338	4,170
Commitments and Contingencies
Shareholders’ Equity:
Common Stock	0	0
Other paid-in capital, principally premium on common stock	2,914	2,914
Preferred stock	49	49
Retained earnings	2,949	2,677
Total shareholders’ equity	5,912	5,640
TOTAL LIABILITIES AND EQUITY	$ 15,719	$ 15,035