Condensed Statements of Consolidated Cash Flows (Unaudited) - CERC - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash Flows from Operating Activities:
Net income	$ 923	$ 832
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	974	987
Deferred income taxes	26	86
Gain on divestitures	(303)	(8)
Changes in other assets and liabilities:
Accounts receivable and unbilled revenues, net	95	231
Inventory	(224)	(104)
Taxes receivable	1	68
Accounts payable	(119)	(53)
Net regulatory assets and liabilities	148	(2,309)
Other current assets and liabilities	(199)	(25)
Other non-current assets and liabilities	34	(95)
Other operating activities, net	72	74
Net cash provided by (used in) operating activities	1,325	(517)
Cash Flows from Investing Activities:
Capital expenditures	(3,079)	(2,148)
Proceeds from divestitures	2,075	22
Other investing activities, net	73	22
Net cash used in investing activities	(229)	(2,104)
Cash Flows from Financing Activities:
Increase (decrease) in short-term borrowings, net	457	(27)
Proceeds from (payments of) commercial paper, net	(1,620)	596
Proceeds from long-term debt	2,089	4,493
Payments of long-term debt	(1,519)	(2,024)
Payment of debt issuance costs	(26)	(38)
Other financing activities, net	(7)	(6)
Net cash provided by (used in) financing activities	(1,220)	2,610
Net Decrease in Cash, Cash Equivalents and Restricted Cash	(124)	(11)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	254	167
Cash, Cash Equivalents and Restricted Cash at End of Period	130	156
CERC
Cash Flows from Operating Activities:
Net income	656	303
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	333	360
Deferred income taxes	217	41
Gain on divestitures	(557)	(11)
Changes in other assets and liabilities:
Accounts receivable and unbilled revenues, net	271	374
Accounts receivable/payable–affiliated companies	(59)	(4)
Inventory	(87)	(77)
Taxes receivable	0	(4)
Accounts payable	(117)	(98)
Net regulatory assets and liabilities	181	(2,153)
Other current assets and liabilities	(81)	(57)
Other non-current assets and liabilities	(5)	(42)
Other operating activities, net	1	9
Net cash provided by (used in) operating activities	753	(1,359)
Cash Flows from Investing Activities:
Capital expenditures	(1,166)	(805)
Increase in notes receivable–affiliated companies	0	(25)
Proceeds from divestitures	2,075	22
Other investing activities, net	12	(39)
Net cash used in investing activities	921	(847)
Cash Flows from Financing Activities:
Increase (decrease) in short-term borrowings, net	457	(27)
Proceeds from (payments of) commercial paper, net	(324)	338
Proceeds from long-term debt	852	1,699
Payments of long-term debt	(425)	0
Dividend to parent	(844)	0
Payment of debt issuance costs	(11)	(10)
Increase (decrease) in notes payable–affiliated companies	(1,517)
Increase (decrease) in notes payable–affiliated companies		203
Non-cash contribution from parent	125	0
Other financing activities, net	(1)	(2)
Net cash provided by (used in) financing activities	(1,688)	2,201
Net Decrease in Cash, Cash Equivalents and Restricted Cash	(14)	(5)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	15	6
Cash, Cash Equivalents and Restricted Cash at End of Period	$ 1	$ 1