Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net income (loss)	$ 238	$ (940)	$ (1,656)	$ 23
Other comprehensive income (loss), net of tax:
Post-employment benefits	7	10	17	34
Hedge instruments	1	0	2	(1)
Translation adjustments and other	3	(97)	(10)	(200)
Other comprehensive income (loss), net of tax	11	(87)	9	(167)
Comprehensive income (loss)	249	(1,027)	(1,647)	(144)
Less: Comprehensive (income) loss attributable to non-controlling interests	(257)	519	727	(53)
Comprehensive income (loss) attributable to Icahn Enterprises	(8)	(508)	(920)	(197)
Limited partners
Net income (loss)			(904)	(66)
Other comprehensive income (loss), net of tax:
Other comprehensive income (loss), net of tax			2	(127)
Comprehensive income (loss) attributable to Icahn Enterprises	(8)	(498)	(902)	(193)
General partner
Net income (loss)			(18)	(1)
Other comprehensive income (loss), net of tax:
Other comprehensive income (loss), net of tax			0	(3)
Comprehensive income (loss) attributable to Icahn Enterprises	0	(10)	(18)	(4)
Icahn Enterprises Holdings [Member]
Net income (loss)	238	(940)	(1,655)	24
Other comprehensive income (loss), net of tax:
Post-employment benefits	7	10	17	34
Hedge instruments	1	0	2	(1)
Translation adjustments and other	3	(97)	(10)	(200)
Other comprehensive income (loss), net of tax	11	(87)	9	(167)
Comprehensive income (loss)	249	(1,027)	(1,646)	(143)
Less: Comprehensive (income) loss attributable to non-controlling interests	(257)	519	727	(53)
Comprehensive income (loss) attributable to Icahn Enterprises	(8)	(508)	(919)	(196)
Icahn Enterprises Holdings [Member] | Limited partners
Net income (loss)			(912)	(65)
Other comprehensive income (loss), net of tax:
Other comprehensive income (loss), net of tax			2	(129)
Comprehensive income (loss) attributable to Icahn Enterprises	(8)	(503)	(910)	(194)
Icahn Enterprises Holdings [Member] | General partner
Net income (loss)			(9)	(1)
Other comprehensive income (loss), net of tax:
Other comprehensive income (loss), net of tax			0	(1)
Comprehensive income (loss) attributable to Icahn Enterprises	$ 0	$ (5)	$ (9)	$ (2)