Condensed Consolidating Financial Information, Statements of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating activities:
Net income	$ 1,305,200	$ 1,334,600	$ 687,200	$ 911,500	$ 797,300	$ 621,300	$ 666,000	$ 771,000	$ 4,238,500	$ 2,855,600	$ 2,553,000
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									1,791,600	1,644,000	1,552,000
Equity in income of unconsolidated affiliates									(480,000)	(426,000)	(362,000)
Distributions received on earnings from unconsolidated affiliates									479,400	433,700	380,500
Net effect of changes in operating accounts and other operating activities									96,800	159,000	(56,700)
Net cash flows provided by operating activities									6,126,300	4,666,300	4,066,800
Investing activities:
Capital expenditures									(4,223,200)	(3,101,800)	(2,984,100)
Cash used for business combinations, net of cash received									(150,600)	(198,700)	(1,000,000)
Proceeds from asset sales and insurance recoveries									161,200	40,100	46,500
Other investing activities									(69,000)	(25,700)	(68,200)
Cash used in investing activities									(4,281,600)	(3,286,100)	(4,005,800)
Financing activities:
Borrowings under debt agreements									79,588,700	69,315,300	62,813,900
Repayments of debt									(77,957,100)	(68,459,600)	(61,672,600)
Cash distributions paid to owners									(3,726,900)	(3,569,900)	(3,300,500)
Cash payments made in connection with DERs									(17,700)	(15,100)	(11,700)
Cash distributions paid to noncontrolling interests									(81,600)	(49,200)	(47,400)
Cash contributions from noncontrolling interests									238,100	400	20,400
Net cash proceeds from the issuance of common units									538,400	1,073,400	2,542,800
Common units acquired in connection with buyback program									(30,800)	0	0
Cash contributions from owners									0	0	0
Other financing activities									(56,000)	(22,800)	(23,200)
Cash provided by (used in) financing activities									(1,504,900)	(1,727,500)	321,700
Net change in cash and cash equivalents, including restricted cash									339,800	(347,300)	382,700
Cash and cash equivalents, including restricted cash, at beginning of period				70,300				417,600	70,300	417,600	34,900
Cash and cash equivalents, including restricted cash, at end of period	410,100				70,300				410,100	70,300	417,600
Eliminations and Adjustments [Member]
Operating activities:
Net income									(4,232,400)	(2,865,400)	(2,542,000)
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									0	0	0
Equity in income of unconsolidated affiliates									4,230,800	2,865,400	2,539,900
Distributions received on earnings from unconsolidated affiliates									(3,780,000)	(3,574,600)	(3,331,200)
Net effect of changes in operating accounts and other operating activities									600	(1,000)	1,200
Net cash flows provided by operating activities									(3,781,000)	(3,575,600)	(3,332,100)
Investing activities:
Capital expenditures									0	0	0
Cash used for business combinations, net of cash received									0	0	0
Proceeds from asset sales and insurance recoveries									0	0	0
Other investing activities									523,300	1,060,500	2,530,900
Cash used in investing activities									523,300	1,060,500	2,530,900
Financing activities:
Borrowings under debt agreements									0	0	0
Repayments of debt									0	0	0
Cash distributions paid to owners									3,780,000	3,574,600	3,331,200
Cash payments made in connection with DERs									0	0	0
Cash distributions paid to noncontrolling interests									1,000	1,000	900
Cash contributions from noncontrolling interests									0	0	0
Net cash proceeds from the issuance of common units									0	0	0
Common units acquired in connection with buyback program									0
Cash contributions from owners									(523,300)	(1,060,500)	(2,530,900)
Other financing activities									0	0	0
Cash provided by (used in) financing activities									3,257,700	2,515,100	801,200
Net change in cash and cash equivalents, including restricted cash									0	0	0
Cash and cash equivalents, including restricted cash, at beginning of period				0				0	0	0	0
Cash and cash equivalents, including restricted cash, at end of period	0				0				0	0	0
Subsidiary Issuer (EPO) [Member]
Operating activities:
Net income									4,230,500	2,860,600	2,536,200
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									279,900	216,600	185,400
Equity in income of unconsolidated affiliates									(4,148,300)	(2,990,100)	(2,686,100)
Distributions received on earnings from unconsolidated affiliates									1,248,900	1,162,800	1,127,300
Net effect of changes in operating accounts and other operating activities									3,221,500	2,812,200	2,448,600
Net cash flows provided by operating activities									4,832,500	4,062,100	3,611,400
Investing activities:
Capital expenditures									(692,000)	(846,800)	(1,327,400)
Cash used for business combinations, net of cash received									0	(7,300)	0
Proceeds from asset sales and insurance recoveries									129,300	17,000	28,800
Other investing activities									(2,288,200)	(1,908,500)	(2,301,900)
Cash used in investing activities									(2,850,900)	(2,745,600)	(3,600,500)
Financing activities:
Borrowings under debt agreements									79,588,700	69,349,300	62,813,900
Repayments of debt									(77,956,700)	(68,459,500)	(61,672,500)
Cash distributions paid to owners									(3,780,000)	(3,574,600)	(3,331,200)
Cash payments made in connection with DERs									0	0	0
Cash distributions paid to noncontrolling interests									0	0	0
Cash contributions from noncontrolling interests									0	0	0
Net cash proceeds from the issuance of common units									0	0	0
Common units acquired in connection with buyback program									0
Cash contributions from owners									523,300	1,060,500	2,530,900
Other financing activities									(28,700)	6,800	(200)
Cash provided by (used in) financing activities									(1,653,400)	(1,617,500)	340,900
Net change in cash and cash equivalents, including restricted cash									328,200	(301,000)	351,800
Cash and cash equivalents, including restricted cash, at beginning of period				65,200				366,200	65,200	366,200	14,400
Cash and cash equivalents, including restricted cash, at end of period	393,400				65,200				393,400	65,200	366,200
Other Subsidiaries (Non-guarantor) [Member]
Operating activities:
Net income									4,328,100	3,191,400	2,891,100
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									1,512,100	1,427,800	1,367,000
Equity in income of unconsolidated affiliates									(587,200)	(566,800)	(521,700)
Distributions received on earnings from unconsolidated affiliates									263,000	272,700	265,900
Net effect of changes in operating accounts and other operating activities									(3,244,200)	(2,726,300)	(2,568,500)
Net cash flows provided by operating activities									2,271,800	1,598,800	1,433,800
Investing activities:
Capital expenditures									(3,476,000)	(2,255,000)	(1,656,700)
Cash used for business combinations, net of cash received									(150,600)	(191,400)	(1,000,000)
Proceeds from asset sales and insurance recoveries									31,900	23,100	17,700
Other investing activities									196,200	(28,000)	(63,200)
Cash used in investing activities									(3,398,500)	(2,451,300)	(2,702,200)
Financing activities:
Borrowings under debt agreements									11,500	0	41,800
Repayments of debt									(400)	(100)	(100)
Cash distributions paid to owners									(1,333,100)	(1,065,300)	(1,089,600)
Cash payments made in connection with DERs									0	0	0
Cash distributions paid to noncontrolling interests									(9,200)	(9,600)	(8,500)
Cash contributions from noncontrolling interests									0	100	20,400
Net cash proceeds from the issuance of common units									0	0	0
Common units acquired in connection with buyback program									0
Cash contributions from owners									2,476,700	1,900,000	2,292,200
Other financing activities									0	0	0
Cash provided by (used in) financing activities									1,145,500	825,100	1,256,200
Net change in cash and cash equivalents, including restricted cash									18,800	(27,400)	(12,200)
Cash and cash equivalents, including restricted cash, at beginning of period				31,500				58,900	31,500	58,900	71,100
Cash and cash equivalents, including restricted cash, at end of period	50,300				31,500				50,300	31,500	58,900
Consolidated EPO and Subsidiaries [Member]
Operating activities:
Net income									4,298,500	2,921,700	2,581,900
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									1,791,600	1,644,000	1,552,000
Equity in income of unconsolidated affiliates									(480,000)	(426,000)	(362,000)
Distributions received on earnings from unconsolidated affiliates									479,400	433,700	380,500
Net effect of changes in operating accounts and other operating activities									(25,000)	66,800	(76,800)
Net cash flows provided by operating activities									6,064,500	4,640,200	4,075,600
Investing activities:
Capital expenditures									(4,168,000)	(3,101,800)	(2,984,100)
Cash used for business combinations, net of cash received									(150,600)	(198,700)	(1,000,000)
Proceeds from asset sales and insurance recoveries									161,200	40,100	46,500
Other investing activities									(69,000)	(25,700)	(68,200)
Cash used in investing activities									(4,226,400)	(3,286,100)	(4,005,800)
Financing activities:
Borrowings under debt agreements									79,588,700	69,315,300	62,813,900
Repayments of debt									(77,957,100)	(68,459,600)	(61,672,600)
Cash distributions paid to owners									(3,780,000)	(3,574,600)	(3,331,200)
Cash payments made in connection with DERs									0	0	0
Cash distributions paid to noncontrolling interests									(82,600)	(50,200)	(48,300)
Cash contributions from noncontrolling interests									238,100	400	20,400
Net cash proceeds from the issuance of common units									0	0	0
Common units acquired in connection with buyback program									0
Cash contributions from owners									523,300	1,060,500	2,530,900
Other financing activities									(28,700)	6,800	(200)
Cash provided by (used in) financing activities									(1,498,300)	(1,701,400)	312,900
Net change in cash and cash equivalents, including restricted cash									339,800	(347,300)	382,700
Cash and cash equivalents, including restricted cash, at beginning of period				70,300				417,600	70,300	417,600	34,900
Cash and cash equivalents, including restricted cash, at end of period	410,100				70,300				410,100	70,300	417,600
Consolidated EPO and Subsidiaries [Member] | Eliminations and Adjustments [Member]
Operating activities:
Net income									(4,260,100)	(3,130,300)	(2,845,400)
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									(400)	(400)	(400)
Equity in income of unconsolidated affiliates									4,255,500	3,130,900	2,845,800
Distributions received on earnings from unconsolidated affiliates									(1,032,500)	(1,001,800)	(1,012,700)
Net effect of changes in operating accounts and other operating activities									(2,300)	(19,100)	43,100
Net cash flows provided by operating activities									(1,039,800)	(1,020,700)	(969,600)
Investing activities:
Capital expenditures									0	0	0
Cash used for business combinations, net of cash received									0	0	0
Proceeds from asset sales and insurance recoveries									0	0	0
Other investing activities									2,023,000	1,910,800	2,296,900
Cash used in investing activities									2,023,000	1,910,800	2,296,900
Financing activities:
Borrowings under debt agreements									(11,500)	(34,000)	(41,800)
Repayments of debt									0	0	0
Cash distributions paid to owners									1,333,100	1,065,300	1,089,600
Cash payments made in connection with DERs									0	0	0
Cash distributions paid to noncontrolling interests									(73,400)	(40,600)	(39,800)
Cash contributions from noncontrolling interests									238,100	300	0
Net cash proceeds from the issuance of common units									0	0	0
Common units acquired in connection with buyback program									0
Cash contributions from owners									(2,476,700)	(1,900,000)	(2,292,200)
Other financing activities									0	0	0
Cash provided by (used in) financing activities									(990,400)	(909,000)	(1,284,200)
Net change in cash and cash equivalents, including restricted cash									(7,200)	(18,900)	43,100
Cash and cash equivalents, including restricted cash, at beginning of period				(26,400)				(7,500)	(26,400)	(7,500)	(50,600)
Cash and cash equivalents, including restricted cash, at end of period	(33,600)				(26,400)				(33,600)	(26,400)	(7,500)
Enterprise Products Partners L.P. (Guarantor) [Member]
Operating activities:
Net income									4,172,400	2,799,300	2,513,100
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									0	0	0
Equity in income of unconsolidated affiliates									(4,230,800)	(2,865,400)	(2,539,900)
Distributions received on earnings from unconsolidated affiliates									3,780,000	3,574,600	3,331,200
Net effect of changes in operating accounts and other operating activities									121,200	93,200	18,900
Net cash flows provided by operating activities									3,842,800	3,601,700	3,323,300
Investing activities:
Capital expenditures									(55,200)	0	0
Cash used for business combinations, net of cash received									0	0	0
Proceeds from asset sales and insurance recoveries									0	0	0
Other investing activities									(523,300)	(1,060,500)	(2,530,900)
Cash used in investing activities									(578,500)	(1,060,500)	(2,530,900)
Financing activities:
Borrowings under debt agreements									0	0	0
Repayments of debt									0	0	0
Cash distributions paid to owners									(3,726,900)	(3,569,900)	(3,300,500)
Cash payments made in connection with DERs									(17,700)	(15,100)	(11,700)
Cash distributions paid to noncontrolling interests									0	0	0
Cash contributions from noncontrolling interests									0	0	0
Net cash proceeds from the issuance of common units									538,400	1,073,400	2,542,800
Common units acquired in connection with buyback program									(30,800)
Cash contributions from owners									0	0	0
Other financing activities									(27,300)	(29,600)	(23,000)
Cash provided by (used in) financing activities									(3,264,300)	(2,541,200)	(792,400)
Net change in cash and cash equivalents, including restricted cash									0	0	0
Cash and cash equivalents, including restricted cash, at beginning of period				$ 0				$ 0	0	0	0
Cash and cash equivalents, including restricted cash, at end of period	$ 0				$ 0				$ 0	$ 0	$ 0