Consolidated Statements of Changes in Equity (Unaudited) - EEGH - USD ($) $ in Millions	Total	EEGH	Member Interests EEGH	Accumulated Other Comprehensive (Loss) Income, Net	Accumulated Other Comprehensive (Loss) Income, Net EEGH	Noncontrolling Interest	Noncontrolling Interest EEGH
Balance at Dec. 31, 2019	$ 32,578	$ 10,229	$ 9,031	$ (1,706)	$ (187)	$ 129	$ 1,385
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,639	154	57				97
Other comprehensive income (loss)	(177)	23		(177)	23
Contributions		299	299
Distributions		(4,155)	(4,044)				(111)
Balance at Sep. 30, 2020	36,869	6,550	5,343	(1,883)	(164)	101	1,371
Balance at Jun. 30, 2020	33,785	8,456	7,352	(2,125)	(271)	101	1,375
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,846	118	86				32
Other comprehensive income (loss)	242	107		242	107
Contributions		299	299
Distributions		(2,430)	(2,394)				(36)
Balance at Sep. 30, 2020	36,869	6,550	5,343	(1,883)	(164)	101	1,371
Balance at Dec. 31, 2020	46,977	6,995	2,957	(1,552)	(53)	3,967	4,091
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,518	520	218				302
Other comprehensive income (loss)	33	15		29	11	4	4
Contributions	9	284	284			9
Distributions		(424)	(71)				(353)
Balance at Sep. 30, 2021	49,616	7,390	3,388	(1,523)	(42)	3,924	4,044
Balance at Jun. 30, 2021	49,365	7,398	3,366	(1,360)	(40)	3,953	4,072
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,025	169	69				100
Other comprehensive income (loss)	(163)	(2)		(163)	(2)
Contributions		2	2
Distributions		(177)	(49)				(128)
Balance at Sep. 30, 2021	$ 49,616	$ 7,390	$ 3,388	$ (1,523)	$ (42)	$ 3,924	$ 4,044