Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Activities
Net income including noncontrolling interests	$ 711	$ 1,008
Net income	711	1,008
Adjustments to reconcile net income including noncontrolling interests to net cash provided by operating activities:
Depreciation, depletion and amortization (including nuclear fuel)	773	685
Deferred income taxes and investment tax credits	246	216
Impairment of assets and other charges (benefits)	(13)	95
Gains on sales of assets and equity method investments	(34)
Net (gains) losses on nuclear decommissioning trust funds and other investments	113	(152)
Other adjustments	(72)	153
Changes in:
Accounts receivable	28	185
Inventories	80	73
Deferred fuel and purchased gas costs, net	(256)	(149)
Prepayments	21	24
Accounts payable	52	21
Accrued interest, payroll and taxes	(192)	(177)
Customer deposits	(1)	(9)
Margin deposit assets and liabilities	(52)	(60)
Net realized and unrealized changes related to derivative activities	29	(218)
Pension and other postretirement benefits	(117)	(44)
Other operating assets and liabilities	(191)	(199)
Net cash provided by operating activities	1,125	1,452
Investing Activities
Plant construction and other property additions (including nuclear fuel)	(1,622)	(1,328)
Acquisition of solar development projects	(37)	(23)
Proceeds from sales of securities	814	1,765
Purchases of securities	(824)	(1,765)
Proceeds from sale of assets and equity method investments	146
Contributions to equity method affiliates	(15)	(977)
Other	(36)	20
Net cash used in investing activities	(1,574)	(2,308)
Financing Activities
Issuance of short-term debt, net	234	1,921
Repayment of supplemental 364-day credit facility borrowings		(225)
Issuance of long-term debt	1,000	150
Repayment of long-term debt	(39)	(161)
Issuance of common stock	45	48
Common dividend payments	(541)	(508)
Other	(64)	(54)
Net cash provided by (used in) financing activities	635	1,171
Increase in cash, restricted cash and equivalents	186	315
Cash, restricted cash and equivalents at beginning of period	408	247
Cash, restricted cash and equivalents at end of period	594	562
Virginia Electric and Power Company
Operating Activities
Net income	357	374
Adjustments to reconcile net income including noncontrolling interests to net cash provided by operating activities:
Depreciation, depletion and amortization (including nuclear fuel)	425	365
Deferred income taxes and investment tax credits	105	87
Impairment of assets and other charges (benefits)		(51)
Other adjustments	3	115
Changes in:
Accounts receivable	76	173
Affiliated receivables and payables	9	(144)
Inventories	34	21
Deferred fuel and purchased gas costs, net	(297)	(159)
Prepayments	3	(4)
Accounts payable	90
Accrued interest, payroll and taxes	57	54
Margin deposit assets and liabilities	(125)	2
Other operating assets and liabilities	(52)	(49)
Net cash provided by operating activities	685	784
Investing Activities
Plant construction and other property additions	(1,037)	(766)
Purchases of nuclear fuel	(27)	(46)
Acquisition of solar development projects	(37)	(10)
Proceeds from sales of securities	392	789
Purchases of securities	(415)	(791)
Other	(5)	41
Net cash used in investing activities	(1,129)	(783)
Financing Activities
Issuance (repayment) of affiliated current borrowings, net	(464)	(203)
Issuance (repayment) of short-term debt, net	(59)	375
Issuance of long-term debt	1,000
Common dividend payments		(150)
Other	(23)	(2)
Net cash provided by (used in) financing activities	454	20
Increase in cash, restricted cash and equivalents	10	21
Cash, restricted cash and equivalents at beginning of period	26	35
Cash, restricted cash and equivalents at end of period	$ 36	$ 56