Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ 2,394	$ (1,656)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Net gain from securities transactions	(1,852)	(257)
Purchases of securities	(704)	(1,440)
Proceeds from sales of securities	2,292	6,863
Purchases to cover securities sold, not yet purchased	(692)	(227)
Proceeds from securities sold, not yet purchased	1,222	589
Changes in receivables and payables relating to securities transactions	(2,702)	(5,087)
Gain on disposition of assets, net	(1,966)	(10)
Depreciation and amortization	759	753
Impairment	82	670
Equity earnings from non-consolidated affiliates	(53)	(48)
Deferred taxes	7	0
Other, net	24	80
Changes in cash held at consolidated affiliated partnerships and restricted cash	(196)	583
Changes in other operating assets and liabilities	276	509
Net cash (used in) provided by operating activities	(1,109)	1,322
Cash flows from investing activities:
Capital expenditures	(692)	(615)
Acquisition of businesses, net of cash acquired	(105)	(1,045)
Purchase of additional interests in consolidated subsidiaries	(349)	(2)
Proceeds from disposition of assets	1,461	20
Purchases of investments	(5)	(97)
Proceeds from sale of investments	11	66
Other, net	13	6
Net cash provided by (used in) investing activities	334	(1,667)
Cash flows from financing activities:
Investment segment contributions from non-controlling interests	600	505
Investment segment distributions to non-controlling interests	0	(7)
Partnership contributions	612	1
Partnership distributions	(61)	(81)
Dividends and distributions to non-controlling interests in subsidiaries	(38)	(74)
Proceeds from Holding Company senior unsecured notes	1,190	0
Repayments of Holding Company senior unsecured notes	(1,175)	0
Proceeds from subsidiary borrowings	2,369	1,905
Repayments of subsidiary borrowings	(2,606)	(1,959)
Other, net	(33)	(11)
Net cash provided by financing activities	858	279
Effect of exchange rate changes on cash and cash equivalents	5	(22)
Add back decrease in cash of assets held for sale	117	12
Net increase (decrease) in cash and cash equivalents	205	(76)
Cash and cash equivalents, beginning of period	1,833	2,078
Cash and cash equivalents, end of period	2,038	2,002
Icahn Enterprises Holdings
Cash flows from operating activities:
Net income (loss)	2,395	(1,655)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Net gain from securities transactions	(1,852)	(257)
Purchases of securities	(704)	(1,440)
Proceeds from sales of securities	2,292	6,863
Purchases to cover securities sold, not yet purchased	(692)	(227)
Proceeds from securities sold, not yet purchased	1,222	589
Changes in receivables and payables relating to securities transactions	(2,702)	(5,087)
Gain on disposition of assets, net	(1,966)	(10)
Depreciation and amortization	758	752
Impairment	82	670
Equity earnings from non-consolidated affiliates	(53)	(48)
Deferred taxes	7	0
Other, net	24	80
Changes in cash held at consolidated affiliated partnerships and restricted cash	(196)	583
Changes in other operating assets and liabilities	276	509
Net cash (used in) provided by operating activities	(1,109)	1,322
Cash flows from investing activities:
Capital expenditures	(692)	(615)
Acquisition of businesses, net of cash acquired	(105)	(1,045)
Purchase of additional interests in consolidated subsidiaries	(349)	(2)
Proceeds from disposition of assets	1,461	20
Purchases of investments	(5)	(97)
Proceeds from sale of investments	11	66
Other, net	13	6
Net cash provided by (used in) investing activities	334	(1,667)
Cash flows from financing activities:
Investment segment contributions from non-controlling interests	600	505
Investment segment distributions to non-controlling interests	0	(7)
Partnership contributions	612	1
Partnership distributions	(61)	(81)
Dividends and distributions to non-controlling interests in subsidiaries	(38)	(74)
Proceeds from Holding Company senior unsecured notes	1,190	0
Repayments of Holding Company senior unsecured notes	(1,175)	0
Proceeds from subsidiary borrowings	2,369	1,905
Repayments of subsidiary borrowings	(2,606)	(1,959)
Other, net	(33)	(11)
Net cash provided by financing activities	858	279
Effect of exchange rate changes on cash and cash equivalents	5	(22)
Add back decrease in cash of assets held for sale	117	12
Net increase (decrease) in cash and cash equivalents	205	(76)
Cash and cash equivalents, beginning of period	1,833	2,078
Cash and cash equivalents, end of period	$ 2,038	$ 2,002