Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating Activities
Net income (loss) including noncontrolling interests	$ 1,969	$ (1,240)
Net income	1,947	(1,083)
Adjustments to reconcile net income (loss) including noncontrolling interests to net cash provided by operating activities:
Depreciation, depletion and amortization (including nuclear fuel)	2,058	2,178
Deferred income taxes and investment tax credits	199	(380)
Provision for refunds to electric utility customers	350
Impairment of assets and other charges (benefits)	194	2,207
Loss from investment in Atlantic Coast Pipeline	19	2,376
Net gains on nuclear decommissioning trust funds and other investments	(370)	(101)
Other adjustments	254	138
Changes in:
Accounts receivable	207	237
Inventories	(45)	29
Deferred fuel and purchased gas costs, net	(531)	206
Prepayments	(121)	(292)
Accounts payable	(29)	(186)
Accrued interest, payroll and taxes	51	(113)
Customer deposits	(19)	(9)
Margin deposit assets and liabilities	(539)	3
Net realized and unrealized changes related to derivative activities	432	285
Pension and other postretirement benefits	(103)	(170)
Other operating assets and liabilities	(441)	(358)
Net cash provided by operating activities	3,535	4,810
Investing Activities
Plant construction and other property additions (including nuclear fuel)	(4,142)	(4,409)
Acquisition of solar development projects	(87)	(245)
Proceeds from sales of securities	3,324	2,868
Purchases of securities	(3,288)	(2,948)
Repayment of Q-Pipe Transaction deposit	(1,265)
Contributions to equity method affiliates	(1,006)	(92)
Acquisition of equity method investments		(178)
Other	(143)	144
Net cash used in investing activities	(6,607)	(4,860)
Financing Activities
Issuance of short-term debt, net	2,990	1,417
Issuance of short-term notes	1,265	1,125
Repayment of short-term notes		(625)
Supplemental 364-Day credit facility borrowings		225
Repayment of supplemental 364-day credit facility borrowings	(225)
Issuance of long-term debt	2,500	5,677
Repayment of long-term debt	(2,708)	(2,546)
Supplemental credit facility borrowings	900
Issuance of common stock	144	159
Repurchase of common stock		(2,385)
Common dividend payments	(1,526)	(2,362)
Other	(248)	(346)
Net cash provided by (used in) financing activities	3,092	339
Increase in cash, restricted cash and equivalents	20	289
Cash, restricted cash and equivalents at beginning of period	247	269
Cash, restricted cash and equivalents at end of period	267	558
Virginia Electric and Power Company
Operating Activities
Net income	1,344	685
Adjustments to reconcile net income (loss) including noncontrolling interests to net cash provided by operating activities:
Depreciation, depletion and amortization (including nuclear fuel)	1,109	1,068
Deferred income taxes and investment tax credits	198	(259)
Impairment of assets and other charges (benefits)	(269)	1,004
Provision for refunds to customers	350
Other adjustments	81	11
Changes in:
Accounts receivable	(98)	(186)
Affiliated receivables and payables	(123)	144
Inventories	36	46
Deferred fuel and purchased gas costs, net	(396)	144
Prepayments	(5)	1
Accounts payable	66	(1)
Accrued interest, payroll and taxes	121	81
Margin deposit assets and liabilities	(121)
Net realized and unrealized changes related to derivative activities	8	(18)
Asset retirement obligations	16	51
Pension and other postretirement benefits	6	(273)
Other operating assets and liabilities	(83)	67
Net cash provided by operating activities	2,240	2,565
Investing Activities
Plant construction and other property additions	(2,525)	(2,301)
Purchases of nuclear fuel	(73)	(170)
Acquisition of solar development projects	(61)	(26)
Proceeds from sales of securities	1,465	694
Purchases of securities	(1,470)	(729)
Other	(45)	33
Net cash used in investing activities	(2,709)	(2,499)
Financing Activities
Issuance of short-term debt, net	851	179
Issuance (repayment) of affiliated current borrowings, net	(70)	123
Issuance of long-term debt		427
Repayment of long-term debt		(427)
Common dividend payments	(300)	(323)
Other	(8)	(6)
Net cash provided by (used in) financing activities	473	(27)
Increase in cash, restricted cash and equivalents	4	39
Cash, restricted cash and equivalents at beginning of period	35	24
Cash, restricted cash and equivalents at end of period	$ 39	$ 63