Consolidated Statements of Cash Flows - EEGH - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income	$ 6,189	$ 7,014	$ 2,968
Adjustments to reconcile net income to net cash flows from operating activities:
Losses on other items, net	112	54	43
Depreciation and amortization	3,881	3,455	3,011
Allowance for equity funds	(126)	(165)	(173)
Equity loss, net of distributions	380	248	93
Changes in regulatory assets and liabilities	(668)	(415)	153
Deferred income taxes	646	1,880	290
Other, net	(169)	(77)	23
Changes in other operating assets and liabilities:
Trade receivables and other assets	553	(1,318)	(372)
Derivative collateral, net	82	43	(25)
Pension and other postretirement benefit plans	(39)	(65)	(51)
Accrued property, income and other taxes	(489)	(134)	(16)
Accounts payable and other liabilities	163	501	(26)
Net cash flows from operating activities	8,692	6,224	6,206
Cash flows from investing activities:
Capital expenditures	(6,611)	(6,765)	(7,364)
Equity method investments	(212)	(2,724)	(1,617)
Other, net	(74)	76	51
Net cash flows from investing activities	(5,763)	(13,165)	(8,963)
Cash flows from financing activities:
Net (repayments of) proceeds from short-term debt	(276)	(939)	684
Distributions to noncontrolling interests	(488)	(122)	(23)
Other, net	(79)	(134)	(37)
Net cash flows from financing activities	(3,131)	7,103	3,124
Net change in cash and cash equivalents and restricted cash and cash equivalents	(201)	177	385
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	1,445	1,268	883
Cash and cash equivalents and restricted cash and cash equivalents at end of period	1,244	1,445	1,268
EEGH
Cash flows from operating activities:
Net income	652	273	842
Adjustments to reconcile net income to net cash flows from operating activities:
Losses on other items, net	(3)	531	21
Depreciation and amortization	328	366	445
Allowance for equity funds	(7)	(13)	(18)
Equity loss, net of distributions	0	35	31
Changes in regulatory assets and liabilities	(20)	(37)	(74)
Deferred income taxes	186	(5)	(3)
Other, net	(19)	23	61
Changes in other operating assets and liabilities:
Trade receivables and other assets	7	346	115
Derivative collateral, net	10	(140)	7
Pension and other postretirement benefit plans	0	(88)	(139)
Accrued property, income and other taxes	(30)	23	(53)
Accounts payable and other liabilities	(12)	(40)	(173)
Net cash flows from operating activities	1,092	1,274	1,062
Cash flows from investing activities:
Capital expenditures	(442)	(374)	(704)
Loans to affiliates	(183)	0	(1,872)
Repayment of loans by affiliates	305	3,422	3,748
Equity method investments	(154)	(2)	(4)
Other, net	(12)	18	(18)
Net cash flows from investing activities	(486)	3,064	1,150
Cash flows from financing activities:
Proceeds from long-term debt	0	0	1,895
Repayments of long-term debt	(500)	(700)	(4,141)
Net (repayments of) proceeds from short-term debt	0	(62)	52
Repayment of affiliated current borrowings, net	(9)	(251)	(2,837)
Credit facility repayments	0	0	(73)
Proceeds from equity contributions	346	1,223	3,385
Distributions to parent	0	(4,323)	(457)
Distributions to noncontrolling interests	(450)	(216)	(179)
Other, net	(2)	0	(16)
Net cash flows from financing activities	(615)	(4,329)	(2,371)
Net change in cash and cash equivalents and restricted cash and cash equivalents	(9)	9	(159)
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	48	39	198
Cash and cash equivalents and restricted cash and cash equivalents at end of period	$ 39	$ 48	$ 39