Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net (loss) income	$ (373)	$ (158)	$ (1,634)	$ 831
Other comprehensive income (loss), net of tax:
Translation adjustments	(3)	(11)	(4)	(86)
Post-retirement benefits and other	(1)	3	1	18
Other comprehensive loss, net of tax	(4)	(8)	(3)	(68)
Comprehensive (loss) income	(377)	(166)	(1,637)	763
Less: Comprehensive (loss) income attributable to non-controlling interests	(325)	(278)	(694)	271
Comprehensive (loss) income attributable to Icahn Enterprises	(52)	112	(943)	492
Limited partners
Net (loss) income	(48)	116
Other comprehensive income (loss), net of tax:
Other comprehensive loss, net of tax	(3)	(6)
Comprehensive (loss) income attributable to Icahn Enterprises	(51)	110	(924)	482
General partner
Net (loss) income	(1)	2
Other comprehensive income (loss), net of tax:
Other comprehensive loss, net of tax	0	0
Comprehensive (loss) income attributable to Icahn Enterprises	(1)	2	(19)	10
Icahn Enterprises Holdings
Net (loss) income	(373)	(158)	(1,633)	832
Other comprehensive income (loss), net of tax:
Translation adjustments	(3)	(11)	(4)	(86)
Post-retirement benefits and other	(1)	3	1	18
Other comprehensive loss, net of tax	(4)	(8)	(3)	(68)
Comprehensive (loss) income	(377)	(166)	(1,636)	764
Less: Comprehensive (loss) income attributable to non-controlling interests	(325)	(278)	(694)	271
Comprehensive (loss) income attributable to Icahn Enterprises	(52)	112	(942)	493
Icahn Enterprises Holdings | Limited partners
Net (loss) income	(49)	116
Other comprehensive income (loss), net of tax:
Other comprehensive loss, net of tax	(3)	(5)
Comprehensive (loss) income attributable to Icahn Enterprises	(52)	111	(933)	488
Icahn Enterprises Holdings | General partner
Net (loss) income	0	2
Other comprehensive income (loss), net of tax:
Other comprehensive loss, net of tax	0	(1)
Comprehensive (loss) income attributable to Icahn Enterprises	$ 0	$ 1	$ (9)	$ 5