Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net (loss) income	$ (1,791)	$ 2,001	$ 2,632
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:
Loss (income) from discontinued operations	32	(1,764)	(234)
Net (gain) loss from securities transactions	(570)	476	(2,273)
Purchases of securities	(4,948)	(4,810)	(781)
Proceeds from sales of securities	3,648	6,763	2,413
Purchases to cover securities sold, not yet purchased	(938)	(1,083)	(1,078)
Proceeds from securities sold, not yet purchased	1,523	1,077	1,222
Changes in receivables and payables relating to securities transactions	(220)	(1,195)	(1,704)
Gain on disposition of assets, net	(253)	(84)	(2,163)
Depreciation and amortization	519	508	518
Impairment	2	92	87
Deferred taxes	(89)	(29)	(560)
Other, net	16	123	(27)
Changes in operating assets and liabilities:
Accounts receivable, net	(33)	45	(72)
Inventories, net	(20)	(86)	(185)
Other assets	356	316	2
Accounts payable	145	(59)	130
Unrealized gain/loss on derivative contracts	1,181	(1,763)	155
Accrued expenses and other liabilities	(20)	(84)	(124)
Net cash (used in) provided by operating activities from continuing operations	(1,460)	444	(2,042)
Net cash provided by operating activities from discontinued operations	0	479	694
Net cash (used in) provided by operating activities	(1,460)	923	(1,348)
Cash flows from investing activities:
Capital expenditures	(250)	(272)	(316)
Acquisition of businesses, net of cash acquired	(39)	(15)	(249)
Purchases of investments	50	60	77
Proceeds from sale of investments	458	1	1
Proceeds from disposition of assets	505	3,370	1,983
Other, net	(38)	0	(80)
Net cash provided by investing activities from continuing operations	586	3,024	1,262
Net cash used in investing activities from discontinued operations	0	(437)	(580)
Net cash provided by investing activities	586	2,587	682
Cash flows from financing activities:
Investment segment contributions from non-controlling interests	220	310	600
Partnership contributions	55	0	612
Partnership distributions	(112)	(97)	(81)
Purchase of additional interests in consolidated subsidiaries	(241)	(5)	(349)
Dividends and distributions to non-controlling interests in subsidiaries	119	139	75
Proceeds from Holding Company senior unsecured notes	2,507	0	2,470
Repayments of Holding Company senior unsecured notes	(1,700)	0	(2,450)
Proceeds from subsidiary borrowings	810	1,268	1,334
Repayments of subsidiary borrowings	847	1,346	1,430
Other, net	(7)	15	(1)
Net cash provided by financing activities from continuing operations	566	6	630
Net cash used in financing activities from discontinued operations	0	(163)	(261)
Net cash provided by (used in) financing activities	566	(157)	369
Effect of exchange rate changes on cash and cash equivalents and restricted cash and restricted cash equivalents	(2)	(7)	3
Add back change in cash and restricted cash of assets held for sale	(83)	81	321
Net (decrease) increase in cash and cash equivalents and restricted cash and restricted cash equivalents	(393)	3,427	27
Cash and cash equivalents and restricted cash and restricted cash equivalents, beginning of period	5,338	1,911	1,884
Cash and cash equivalents and restricted cash and restricted cash equivalents, end of period	4,945	5,338	1,911
Icahn Enterprises Holdings
Cash flows from operating activities:
Net (loss) income	(1,790)	2,002	2,634
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:
Loss (income) from discontinued operations	32	(1,764)	(234)
Net (gain) loss from securities transactions	(570)	476	(2,273)
Purchases of securities	(4,948)	(4,810)	(781)
Proceeds from sales of securities	3,648	6,763	2,413
Purchases to cover securities sold, not yet purchased	(938)	(1,083)	(1,078)
Proceeds from securities sold, not yet purchased	1,523	1,077	1,222
Changes in receivables and payables relating to securities transactions	(220)	(1,195)	(1,704)
Gain on disposition of assets, net	(253)	(84)	(2,163)
Depreciation and amortization	519	508	518
Impairment	2	92	87
Deferred taxes	(89)	(29)	(560)
Other, net	15	122	(29)
Changes in operating assets and liabilities:
Accounts receivable, net	(33)	45	(72)
Inventories, net	(20)	(86)	(185)
Other assets	356	316	2
Accounts payable	145	(59)	130
Unrealized gain/loss on derivative contracts	1,181	(1,763)	155
Accrued expenses and other liabilities	(20)	(84)	(124)
Net cash (used in) provided by operating activities from continuing operations	(1,460)	444	(2,042)
Net cash provided by operating activities from discontinued operations	0	479	694
Net cash (used in) provided by operating activities	(1,460)	923	(1,348)
Cash flows from investing activities:
Capital expenditures	(250)	(272)	(316)
Acquisition of businesses, net of cash acquired	(39)	(15)	(249)
Purchases of investments	50	60	77
Proceeds from disposition of assets	505	3,370	1,983
Other, net	(38)	0	(80)
Net cash provided by investing activities from continuing operations	586	3,024	1,262
Net cash used in investing activities from discontinued operations	0	(437)	(580)
Net cash provided by investing activities	586	2,587	682
Cash flows from financing activities:
Investment segment contributions from non-controlling interests	220	310	600
Partnership contributions	55	0	612
Partnership distributions	(112)	(97)	(81)
Dividends and distributions to non-controlling interests in subsidiaries	119	139	75
Proceeds from Holding Company senior unsecured notes	2,507	0	2,470
Repayments of Holding Company senior unsecured notes	(1,700)	0	(2,450)
Proceeds from subsidiary borrowings	810	1,268	1,334
Repayments of subsidiary borrowings	847	1,346	1,430
Other, net	(7)	15	(1)
Net cash provided by financing activities from continuing operations	566	6	630
Net cash used in financing activities from discontinued operations	0	(163)	(261)
Net cash provided by (used in) financing activities	566	(157)	369
Effect of exchange rate changes on cash and cash equivalents and restricted cash and restricted cash equivalents	(2)	(7)	3
Add back change in cash and restricted cash of assets held for sale	(83)	81	321
Net (decrease) increase in cash and cash equivalents and restricted cash and restricted cash equivalents	(393)	3,427	27
Cash and cash equivalents and restricted cash and restricted cash equivalents, beginning of period	5,338	1,911	1,884
Cash and cash equivalents and restricted cash and restricted cash equivalents, end of period	$ 4,945	$ 5,338	$ 1,911