Consolidated Statement of Changes in Equity - USD ($) $ in Millions	Total	Icahn Enterprises Holdings	Limited partners	Limited partners Icahn Enterprises Holdings	General partner	General partner Icahn Enterprises Holdings	Total Partners’ Equity	Total Partners’ Equity Icahn Enterprises Holdings	Non-controlling Interests	Non-controlling Interests Icahn Enterprises Holdings
Total equity at Dec. 31, 2016	$ 8,094	$ 8,119	$ 2,485	$ 2,533	$ (293)	$ (316)	$ 2,192	$ 2,217	$ 5,902	$ 5,902
Increase (Decrease) in Equity
Net (loss) income	2,632	2,634	2,405	2,431	49	25	2,454	2,456	178	178
Other comprehensive loss	173	173	154	155	3	2	157	157	16	16
Partnership distributions	(81)	(81)	(79)	(80)	(2)	(1)	(81)	(81)	0	0
Partnership contributions	612	612	600	606	12	6	612	612	0	0
Investment segment contributions	600	600	0	0	0	0	0	0	600	600
Dividends and distributions to non-controlling interests in subsidiaries	92	92	0	0	0	0	0	0	92	92
Cumulative effect adjustment from adoption of accounting principle	(47)	(47)	(46)	(47)	(1)	0	(47)	(47)	0	0
Changes in subsidiary equity and other	(405)	(405)	(117)	(117)	(2)	(2)	(119)	(119)	(286)	(286)
Total equity at Dec. 31, 2017	11,486	11,513	5,402	5,481	(234)	(286)	5,168	5,195	6,318	6,318
Increase (Decrease) in Equity
Net (loss) income	2,001	2,002	2,039	2,060	(557)	(577)	1,482	1,483	519	519
Other comprehensive loss	(68)	(68)	(60)	(60)	(1)	(1)	(61)	(61)	(7)	(7)
Partnership distributions	(97)	(97)	(95)	(96)	(2)	(1)	(97)	(97)	0	0
Investment segment contributions	310	310	0	0	0	0	0	0	310	310
Dividends and distributions to non-controlling interests in subsidiaries	153	153	0	0	0	0	0	0	153	153
Cumulative effect adjustment from adoption of accounting principle	(29)	(29)	(28)	(29)	(1)	0	(29)	(29)	0	0
Changes in subsidiary equity and other	(470)	(470)	92	96	5	1	97	97	(567)	(567)
Total equity at Dec. 31, 2018	12,980	13,008	7,350	7,452	(790)	(864)	6,560	6,588	6,420	6,420
Increase (Decrease) in Equity
Net (loss) income	(1,791)	(1,790)	(1,076)	(1,086)	(22)	(11)	(1,098)	(1,097)	(693)	(693)
Other comprehensive loss	1	1	1	1	0	0	1	1	0	0
Partnership distributions	(112)	(144)	(110)	(142)	(2)	(2)	(112)	(144)	0	0
Partnership contributions	55	55	54	54	1	1	55	55	0	0
Investment segment contributions	220	220	0	0	0	0	0	0	220	220
Dividends and distributions to non-controlling interests in subsidiaries	119	119	0	0	0	0	0	0	119	119
Changes in subsidiary equity and other	(292)	(292)	49	49	1	1	50	50	(342)	(342)
Total equity at Dec. 31, 2019	$ 10,942	$ 10,939	$ 6,268	$ 6,328	$ (812)	$ (875)	$ 5,456	$ 5,453	$ 5,486	$ 5,486