Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net (loss) income	$ (2,306)	$ (664)
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Net loss (gain) from securities transactions	4,402	(505)
Purchases of securities	(1,279)	(584)
Proceeds from sales of securities	20	966
Payments to cover securities sold, not yet purchased	(635)	(113)
Proceeds from securities sold, not yet purchased	0	17
Changes in receivables and payables relating to securities transactions	2,292	(663)
Depreciation and amortization	121	123
Deferred taxes	(144)	(8)
Other, net	57	5
Changes in unrealized gains/losses on derivative contracts	(3,827)	1,183
Changes in operating assets and liabilities	(74)	(45)
Net cash (used in) provided by operating activities	(1,373)	(288)
Cash flows from investing activities:
Capital expenditures	(53)	(65)
Acquisition of businesses, net of cash acquired	(1)	(10)
Purchases of investments	(254)	(25)
Proceeds from sale of investments	0	424
Other, net	(16)	(10)
Net cash provided by (used in) investing activities	(324)	314
Cash flows from financing activities:
Investment segment contributions from non-controlling interests	1	0
Partnership contributions	7	0
Purchase of additional interests in consolidated subsidiaries	0	(241)
Dividends and distributions to non-controlling interests in subsidiaries	(23)	(30)
Proceeds from Holding Company senior unsecured notes	866	0
Repayments of Holding Company senior unsecured notes	(1,350)	0
Proceeds from subsidiary borrowings	1,368	269
Repayments of subsidiary borrowings	(848)	(271)
Other, net	(14)	1
Net cash used in financing activities	7	(272)
Effect of exchange rate changes on cash and cash equivalents and restricted cash and restricted cash equivalents	2	(1)
Add back change in cash and restricted cash of assets held for sale	0	(28)
Net decrease in cash and cash equivalents and restricted cash and restricted cash equivalents	(1,688)	(275)
Cash and cash equivalents and restricted cash and restricted cash equivalents, beginning of period	4,945	5,338
Cash and cash equivalents and restricted cash and restricted cash equivalents, end of period	3,257	5,063
Icahn Enterprises Holdings
Cash flows from operating activities:
Net (loss) income	(2,306)	(664)
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Net loss (gain) from securities transactions	4,402	(505)
Purchases of securities	(1,279)	(584)
Proceeds from sales of securities	20	966
Payments to cover securities sold, not yet purchased	(635)	(113)
Proceeds from securities sold, not yet purchased	0	17
Changes in receivables and payables relating to securities transactions	2,292	(663)
Depreciation and amortization	121	123
Deferred taxes	(144)	(8)
Other, net	57	5
Changes in unrealized gains/losses on derivative contracts	(3,827)	1,183
Changes in operating assets and liabilities	(74)	(45)
Net cash (used in) provided by operating activities	(1,373)	(288)
Cash flows from investing activities:
Capital expenditures	(53)	(65)
Acquisition of businesses, net of cash acquired	(1)	(10)
Purchases of investments	(254)	(25)
Proceeds from sale of investments	0	424
Other, net	(16)	(10)
Net cash provided by (used in) investing activities	(324)	314
Cash flows from financing activities:
Investment segment contributions from non-controlling interests	1	0
Partnership contributions	7	0
Purchase of additional interests in consolidated subsidiaries	0	(241)
Dividends and distributions to non-controlling interests in subsidiaries	(23)	(30)
Proceeds from Holding Company senior unsecured notes	866	0
Repayments of Holding Company senior unsecured notes	(1,350)	0
Proceeds from subsidiary borrowings	1,368	269
Repayments of subsidiary borrowings	(848)	(271)
Other, net	(14)	1
Net cash used in financing activities	7	(272)
Effect of exchange rate changes on cash and cash equivalents and restricted cash and restricted cash equivalents	2	(1)
Add back change in cash and restricted cash of assets held for sale	0	(28)
Net decrease in cash and cash equivalents and restricted cash and restricted cash equivalents	(1,688)	(275)
Cash and cash equivalents and restricted cash and restricted cash equivalents, beginning of period	4,945	5,338
Cash and cash equivalents and restricted cash and restricted cash equivalents, end of period	$ 3,257	$ 5,063