Consolidated Balance Sheet - AIC - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 8	$ 139
Accounts receivable - trade (less allowance for doubtful accounts)	434	415
Unbilled revenue	301	269
Miscellaneous accounts receivable	85	65
Inventories	592	521
Current regulatory assets	319	109
Other current assets	229	135
Total current assets	1,968	1,653
Property, Plant, and Equipment, Net	29,261	26,807
Investments and Other Assets:
Goodwill	411	411
Regulatory assets	1,289	1,100
Pension and other postretirement benefits	756	288
Other assets	891	789
Total investments and other assets	4,506	3,570
TOTAL ASSETS	35,735	32,030
Current Liabilities:
Current maturities of long-term debt	505	8
Short-term debt	545	490
Accounts and wages payable	1,095	958
Current regulatory liabilities	113	121
Other current liabilities	445	489
Total current liabilities	2,826	2,180
Long-term Debt, Net	12,562	11,078
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes and investment tax credits, net	3,499	3,211
Regulatory liabilities	5,848	5,282
Other deferred credits and liabilities	414	503
Total deferred credits and other liabilities	10,518	9,692
Commitments and Contingencies (Notes 2, 9, and 14)
Shareholders' Equity:
Common stock	3	3
Other paid-in capital, principally premium on common stock	6,502	6,179
Retained earnings	3,182	2,757
Total shareholders' equity	9,700	8,938
TOTAL LIABILITIES AND EQUITY	35,735	32,030
Ameren Illinois Company
Current Assets:
Cash and cash equivalents	0	0
Accounts receivable - trade (less allowance for doubtful accounts)	228	234
Accounts receivable – affiliates	24	64
Unbilled revenue	159	136
Miscellaneous accounts receivable	1	12
Inventories	173	135
Current regulatory assets	180	37
Other current assets	58	29
Total current assets	823	647
Property, Plant, and Equipment, Net	12,223	11,201
Investments and Other Assets:
Goodwill	411	411
Regulatory assets	752	742
Pension and other postretirement benefits	427	280
Other assets	399	254
Total investments and other assets	1,989	1,687
TOTAL ASSETS	15,035	13,535
Current Liabilities:
Current maturities of long-term debt	400	0
Short-term debt	103	0
Borrowings from money pool	0	19
Accounts and wages payable	361	363
Accounts payable – affiliates	64	51
Customer deposits	52	74
Current regulatory liabilities	54	88
Other current liabilities	199	221
Total current liabilities	1,233	816
Long-term Debt, Net	3,992	3,946
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes and investment tax credits, net	1,558	1,367
Regulatory liabilities	2,374	2,063
Other deferred credits and liabilities	238	377
Total deferred credits and other liabilities	4,170	3,807
Commitments and Contingencies (Notes 2, 9, and 14)
Shareholders' Equity:
Common stock	0	0
Other paid-in capital, principally premium on common stock	2,914	2,652
Preferred stock	49	62
Retained earnings	2,677	2,252
Total shareholders' equity	5,640	4,966
TOTAL LIABILITIES AND EQUITY	$ 15,035	$ 13,535