Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net (loss) income	$ (2,306)	$ (664)
Other comprehensive income (loss), net of tax:
Translation adjustments	(3)	(1)
Post-retirement benefits and other	0	1
Other comprehensive loss, net of tax	(3)
Comprehensive (loss) income	(2,309)	(664)
Less: Comprehensive (loss) income attributable to non-controlling interests	(922)	(270)
Comprehensive (loss) income attributable to Icahn Enterprises	(1,387)	(394)
Limited partners
Net (loss) income	(1,356)	(386)
Other comprehensive income (loss), net of tax:
Other comprehensive loss, net of tax	(3)
Comprehensive (loss) income attributable to Icahn Enterprises	(1,359)	(386)
General partner
Net (loss) income	(28)	(8)
Other comprehensive income (loss), net of tax:
Other comprehensive loss, net of tax	0
Comprehensive (loss) income attributable to Icahn Enterprises	(28)	(8)
Icahn Enterprises Holdings
Net (loss) income	(2,306)	(664)
Other comprehensive income (loss), net of tax:
Translation adjustments	(3)	(1)
Post-retirement benefits and other		1
Other comprehensive loss, net of tax	(3)
Comprehensive (loss) income	(2,309)	(664)
Less: Comprehensive (loss) income attributable to non-controlling interests	(922)	(270)
Comprehensive (loss) income attributable to Icahn Enterprises	(1,387)	(394)
Icahn Enterprises Holdings | Limited partners
Net (loss) income	(1,370)	(390)
Other comprehensive income (loss), net of tax:
Other comprehensive loss, net of tax	(3)
Comprehensive (loss) income attributable to Icahn Enterprises	(1,373)	(390)
Icahn Enterprises Holdings | General partner
Net (loss) income	(14)	(4)
Other comprehensive income (loss), net of tax:
Other comprehensive loss, net of tax	0
Comprehensive (loss) income attributable to Icahn Enterprises	$ (14)	$ (4)