CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 168	$ 241
Investment in marketable securities	753	822
Accounts receivable, less bad debt reserve	735	702
Accrued unbilled revenues, less bad debt reserve	275	469
Natural gas inventory	158	209
Materials and supplies	304	263
Taxes receivable	0	106
Current assets held for sale	0	1,002
Prepaid expenses and other current assets	108	123
Total current assets	2,501	3,937
Property, Plant and Equipment:
Property, plant and equipment	31,349	30,324
Less: accumulated depreciation and amortization	10,001	9,700
Property, plant and equipment, net	21,348	20,624
Other Assets:
Goodwill	4,697	4,882
Regulatory assets	2,149	2,117
Investment in unconsolidated affiliates	855	2,408
Preferred units – unconsolidated affiliate	363	363
Total non-current assets held for sale	0	962
Other	235	236
Total other assets	8,299	10,968
Total Assets	32,148	35,529
Current Liabilities:
Short-term borrowings	19	0
Current portion of VIE Securitization Bonds long-term debt	206	231
Indexed debt, net	17	19
Current portion of other long-term debt	1,707	618
Indexed debt securities derivative	834	893
Accounts payable	670	884
Taxes accrued	241	239
Interest accrued	159	158
Customer deposits	124	124
Non-trading derivative liabilities	7	7
Current liabilities held for sale	0	455
Other	325	350
Total current liabilities	4,309	3,978
Other Liabilities:
Deferred income taxes, net	3,491	3,928
Non-trading derivative liabilities	11	15
Benefit obligations	771	750
Regulatory liabilities	3,463	3,474
Total non-current liabilities held for sale	0	43
Other	774	738
Total other liabilities	8,510	8,948
Long-term Debt:
VIE Securitization Bonds, net	639	746
Other long-term debt, net	10,298	13,498
Total long-term debt, net	10,937	14,244
Commitments and Contingencies (Note 14)
Shareholders’ Equity:
Cumulative preferred stock, $0.01 par value, 20,000,000 shares authorized
Common stock	5	5
Additional paid-in capital	6,801	6,080
Retained earnings (accumulated deficit)	(771)	632
Accumulated other comprehensive income (loss)	(84)	(98)
Total shareholders’ equity	8,392	8,359
Total Liabilities and Shareholders’ Equity	32,148	35,529
Houston Electric [Member]
Current Assets:
Cash and cash equivalents	151	216
Accounts and notes receivable, less bad debt reserve	325	238
Accounts and notes receivable–affiliated companies	42	523
Accrued unbilled revenues, less bad debt reserve	125	117
Materials and supplies	175	147
Prepaid expenses and other current assets	33	49
Total current assets	851	1,290
Property, Plant and Equipment:
Property, plant and equipment	13,215	12,829
Less: accumulated depreciation and amortization	3,882	3,797
Property, plant and equipment, net	9,333	9,032
Other Assets:
Regulatory assets	879	915
Other	34	25
Total other assets	913	940
Total Assets	11,097	11,262
Current Liabilities:
Short-term borrowings	5
Current portion of VIE Securitization Bonds long-term debt	206	231
Current portion of other long-term debt	402	0
Accounts payable	234	268
Accounts and notes payable–affiliated companies	37	76
Taxes accrued	110	123
Interest accrued	76	69
Other	95	63
Total current liabilities	1,165	830
Other Liabilities:
Deferred income taxes, net	1,036	1,030
Benefit obligations	73	75
Regulatory liabilities	1,250	1,288
Other	85	69
Total other liabilities	2,444	2,462
Long-term Debt:
VIE Securitization Bonds, net	639	746
Other long-term debt, net	3,868	3,973
Total long-term debt, net	4,507	4,719
Commitments and Contingencies (Note 14)
Shareholders’ Equity:
Common stock	0	0
Additional paid-in capital	2,486	2,486
Retained earnings (accumulated deficit)	495	780
Accumulated other comprehensive income (loss)	0	(15)
Total shareholders’ equity	2,981	3,251
Total Liabilities and Shareholders’ Equity	11,097	11,262
CERC Corp [Member]
Current Assets:
Cash and cash equivalents	1	2
Accounts receivable, less bad debt reserve	265	322
Accounts and notes receivable–affiliated companies	29	10
Accrued unbilled revenues, less bad debt reserve	81	249
Natural gas inventory	85	135
Materials and supplies	80	71
Current assets held for sale	0	691
Prepaid expenses and other current assets	0	9
Total current assets	541	1,489
Property, Plant and Equipment:
Property, plant and equipment	8,404	8,079
Less: accumulated depreciation and amortization	2,358	2,270
Property, plant and equipment, net	6,046	5,809
Other Assets:
Goodwill	757	757
Regulatory assets	201	191
Total non-current assets held for sale	0	213
Other	50	53
Total other assets	1,008	1,214
Total Assets	7,595	8,512
Current Liabilities:
Short-term borrowings	14	0
Current portion of other long-term debt	593	0
Accounts payable	204	333
Accounts and notes payable–affiliated companies	60	47
Taxes accrued	52	84
Interest accrued	38	38
Customer deposits	76	74
Current liabilities held for sale	0	368
Other	133	167
Total current liabilities	1,170	1,111
Other Liabilities:
Deferred income taxes, net	507	470
Benefit obligations	84	80
Regulatory liabilities	1,234	1,219
Total non-current liabilities held for sale	0	27
Other	430	418
Total other liabilities	2,255	2,214
Long-term Debt:
Total long-term debt, net	1,813	2,546
Commitments and Contingencies (Note 14)
Shareholders’ Equity:
Common stock	0	0
Additional paid-in capital	1,829	2,116
Retained earnings (accumulated deficit)	518	515
Accumulated other comprehensive income (loss)	10	10
Total shareholders’ equity	2,357	2,641
Total Liabilities and Shareholders’ Equity	7,595	8,512
Series A Preferred Stock [Member]
Shareholders’ Equity:
Preferred Stock, $0.01 par value	790	790
Series B Preferred Stock [Member]
Shareholders’ Equity:
Preferred Stock, $0.01 par value	950	950
Series C Preferred Stock [Member]
Shareholders’ Equity:
Preferred Stock, $0.01 par value	$ 701	$ 0