Condensed Consolidated Balance Sheets (Unaudited) - CERC - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Current Assets:
Cash and cash equivalents	$ 161	$ 90
Accounts receivable, less allowance for credit losses	675	710
Accrued unbilled revenues	372	516
Materials and supplies	559	573
Natural gas and coal inventory	104	197
Taxes receivable	204	94
Current assets held for sale	1,325	0
Regulatory assets	294	161
Prepaid expenses and other current assets	131	145
Total current assets	4,286	3,027
Property, Plant and Equipment, net:
Property, plant and equipment	39,631	40,396
Less: accumulated depreciation and amortization	10,252	10,543
Property, plant and equipment, net	29,379	29,853
Other Assets:
Goodwill	3,943	4,160
Regulatory assets	2,428	2,513
Other non-current assets	163	162
Total other assets	6,534	6,835
Total Assets	40,199	39,715
Current Liabilities:
Short-term borrowings	0	4
Accounts payable	753	917
Taxes accrued	193	291
Interest accrued	208	236
Customer deposits	97	111
Non-trading derivative liabilities	9	9
Current liabilities held for sale	224	0
Other current liabilities	394	510
Total current liabilities	3,430	3,864
Other Liabilities:
Deferred income taxes, net	4,295	4,079
Non-trading derivative liabilities	3	3
Benefit obligations	585	572
Regulatory liabilities	3,046	3,208
Other non-current liabilities	725	763
Total other liabilities	8,654	8,625
Total long-term debt, net	18,117	17,559
Commitments and Contingencies (Note 13)
Shareholders’ Equity:
Common stock	6	6
Additional paid-in capital	8,583	8,604
Retained earnings	1,442	1,092
Accumulated other comprehensive income	(33)	(35)
Total shareholders’ equity	9,998	9,667
Total Liabilities and Shareholders’ Equity	40,199	39,715
CERC
Current Assets:
Cash and cash equivalents	17	1
Accrued unbilled revenues	214	329
Materials and supplies	98	107
Natural gas and coal inventory	69	156
Taxes receivable	137	101
Current assets held for sale	1,230	0
Regulatory assets	291	161
Prepaid expenses and other current assets	30	55
Total current assets	2,466	1,309
Property, Plant and Equipment, net:
Property, plant and equipment	14,671	15,672
Less: accumulated depreciation and amortization	3,961	4,169
Property, plant and equipment, net	10,710	11,503
Other Assets:
Goodwill	1,461	1,583
Regulatory assets	790	850
Other non-current assets	51	51
Total other assets	2,302	2,484
Total Assets	15,478	15,296
Current Liabilities:
Short-term borrowings	0	4
Taxes accrued	118	145
Interest accrued	44	70
Customer deposits	81	95
Non-trading derivative liabilities	8	8
Current liabilities held for sale	224	0
Other current liabilities	232	274
Total current liabilities	1,090	1,087
Other Liabilities:
Deferred income taxes, net	1,370	1,246
Non-trading derivative liabilities	2	3
Benefit obligations	74	74
Regulatory liabilities	1,796	1,882
Other non-current liabilities	400	455
Total other liabilities	3,642	3,660
Total long-term debt, net	4,719	4,670
Commitments and Contingencies (Note 13)
Shareholders’ Equity:
Common stock	0	0
Additional paid-in capital	4,229	4,229
Retained earnings	1,783	1,634
Accumulated other comprehensive income	15	16
Total shareholders’ equity	6,027	5,879
Total Liabilities and Shareholders’ Equity	15,478	15,296
CERC | Nonrelated Party
Current Assets:
Accounts receivable, less allowance for credit losses	343	356
Current Liabilities:
Accounts payable	271	392
CERC | Affiliated Entity
Current Assets:
Accounts and notes receivable–affiliated companies	37	43
Current Liabilities:
Accounts and notes payable–affiliated companies	$ 112	$ 99