Consolidated Statement of Changes in Equity (USD $) In Millions, except Share data, unless otherwise specified	Total	General partner	Limited partners	Held in Treasury	Total Partners' Equity	Non-controlling Interests	Icahn Enterprises Holdings [Member]	Icahn Enterprises Holdings [Member] General partner	Icahn Enterprises Holdings [Member] Limited partners	Icahn Enterprises Holdings [Member] Total Partners' Equity	Icahn Enterprises Holdings [Member] Non-controlling Interests
Equity at Dec. 31, 2010	$ 7,931	$ (282)	$ 3,477	$ (12)	$ 3,183	$ 4,748	$ 7,951	$ (318)	$ 3,521	$ 3,203	$ 4,748
Treasury units at Dec. 31, 2010	1,137,200
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	1,800	15	735	0	750	1,050	1,801	8	743	751	1,050
Other comprehensive loss	(258)	(4)	(187)	0	(191)	(67)	(258)	(2)	(189)	(191)	(67)
Partnership distributions	(48)	(1)	(47)	0	(48)	0	(48)	0	(48)	(48)	0
Investment segment distributions	(1,818)	0	0	0	0	(1,818)	(1,818)	0	0	0	(1,818)
Investment segment contributions	250	0	0	0	0	250	250	0	0	0	250
Distributions paid to non-controlling interests in subsidiary	(35)	0	0	0	0	(35)	(35)	0	0	0	(35)
Changes in subsidiary equity and other	49	1	60	0	61	(12)	49	1	60	61	(12)
Equity at Dec. 31, 2011	7,871	(271)	4,038	(12)	3,755	4,116	7,892	(311)	4,087	3,776	4,116
Held in Treasury at Dec. 31, 2011	1,137,200
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	762	17	379	0	396	366	763	13	384	397	366
Other comprehensive loss	(127)	(2)	(96)	0	(98)	(29)	(127)	(1)	(97)	(98)	(29)
Cancellation of treasury units	0	0	(12)	12	0	0
Cancellation of treasury units				(1,137,200)
Partnership contributions	513	13	500	0	513	0	513	6	507	513	0
Partnership distributions	(41)	(1)	(40)	0	(41)	0	(41)	0	(41)	(41)	0
Investment segment distributions	(79)	0	0	0	0	(79)	(79)	0	0	0	(79)
Distributions paid to non-controlling interests in subsidiary	(30)	0	0	0	0	(30)	(30)	0	0	0	(30)
Proceeds from subsidiary equity offerings	984	0	135	0	135	849	984	0	135	135	849
Changes in subsidiary equity and other	(37)	0	9	0	9	(46)	(37)	0	9	9	(46)
Equity at Dec. 31, 2012	9,816	(244)	4,913	0	4,669	5,147	9,838	(293)	4,984	4,691	5,147
Held in Treasury at Dec. 31, 2012	0
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	2,444	20	1,005	0	1,025	1,419	2,444	10	1,015	1,025	1,419
Other comprehensive loss	177	3	130	0	133	44	177	2	131	133	44
Acquisition of New ARL	(242)	(5)	(237)	0	(242)	0	(242)	(3)	(239)	(242)
Partnership contributions	593	12	581	0	593	0	593	6	587	593	0
Partnership distributions	(193)	(4)	(189)	0	(193)	0	(193)	(2)	(191)	(193)	0
Investment segment contributions	46	0	0	0	0	46	46	0	0	0	46
Distributions paid to non-controlling interests in subsidiary	(379)	0	0	0	0	(379)	(379)	0	0	0	(379)
Proceeds from subsidiary equity offerings	1,056	2	88	0	90	966	1,056	1	89	90	966
Changes in subsidiary equity and other	(9)	0	17	0	17	(26)	(9)	0	17	17	(26)
Equity at Dec. 31, 2013	$ 13,309	$ (216)	$ 6,308	$ 0	$ 6,092	$ 7,217	$ 13,331	$ (279)	$ 6,393	$ 6,114	$ 7,217
Held in Treasury at Dec. 31, 2013				0