Condensed Consolidating Financial Information, Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating activities:
Net income	$ 911.5	$ 771.0
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	431.0	402.3
Equity in income of unconsolidated affiliates	(115.7)	(94.8)
Distributions received on earnings from unconsolidated affiliates	107.5	90.5
Net effect of changes in operating accounts and other operating activities	(100.7)	(293.4)
Net cash flows provided by operating activities	1,233.6	875.6
Investing activities:
Capital expenditures	(946.5)	(430.4)
Cash used for business combinations, net of cash received	(149.8)	(16.0)
Proceeds from asset sales	1.1	2.0
Other investing activities	(23.9)	0.4
Cash used in investing activities	(1,119.1)	(444.0)
Financing activities:
Borrowings under debt agreements	16,283.8	17,575.1
Repayments of debt	(15,444.7)	(17,856.5)
Cash distributions paid to owners	(918.5)	(869.0)
Cash payments made in connection with DERs	(3.9)	(3.2)
Cash distributions paid to noncontrolling interests	(15.4)	(10.1)
Cash contributions from noncontrolling interests	0.1	0.2
Net cash proceeds from issuance of common units	177.0	448.8
Cash contributions from owners	0.0	0.0
Other financing activities	(47.6)	(27.4)
Cash provided by (used in) financing activities	30.8	(742.1)
Net change in cash and cash equivalents, including restricted cash	145.3	(310.5)
Cash and cash equivalents, including restricted cash, at beginning of period	70.3	417.6
Cash and cash equivalents, including restricted cash, at end of period	215.6	107.1
Eliminations and Adjustments [Member]
Operating activities:
Net income	(909.4)	(767.2)
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	0.0	0.0
Equity in income of unconsolidated affiliates	909.1	766.7
Distributions received on earnings from unconsolidated affiliates	(920.1)	(870.5)
Net effect of changes in operating accounts and other operating activities	0.0	0.3
Net cash flows provided by operating activities	(920.4)	(870.7)
Investing activities:
Capital expenditures	0.0	0.0
Cash used for business combinations, net of cash received	0.0	0.0
Proceeds from asset sales	0.0	0.0
Other investing activities	173.2	445.6
Cash used in investing activities	173.2	445.6
Financing activities:
Borrowings under debt agreements	0.0	0.0
Repayments of debt	0.0	0.0
Cash distributions paid to owners	920.1	870.5
Cash payments made in connection with DERs	0.0	0.0
Cash distributions paid to noncontrolling interests	0.3	0.2
Cash contributions from noncontrolling interests	0.0	0.0
Net cash proceeds from issuance of common units	0.0	0.0
Cash contributions from owners	(173.2)	(445.6)
Other financing activities	0.0	0.0
Cash provided by (used in) financing activities	747.2	425.1
Net change in cash and cash equivalents, including restricted cash	0.0	0.0
Cash and cash equivalents, including restricted cash, at beginning of period	0.0	0.0
Cash and cash equivalents, including restricted cash, at end of period	0.0	0.0
Subsidiary Issuer (EPO) [Member]
Operating activities:
Net income	908.0	765.7
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	63.3	51.3
Equity in income of unconsolidated affiliates	(831.0)	(728.8)
Distributions received on earnings from unconsolidated affiliates	283.4	255.4
Net effect of changes in operating accounts and other operating activities	387.1	631.0
Net cash flows provided by operating activities	810.8	974.6
Investing activities:
Capital expenditures	(284.0)	(125.5)
Cash used for business combinations, net of cash received	0.0	0.0
Proceeds from asset sales	0.2	1.2
Other investing activities	(474.6)	(465.3)
Cash used in investing activities	(758.4)	(589.6)
Financing activities:
Borrowings under debt agreements	16,283.8	17,575.1
Repayments of debt	(15,444.6)	(17,856.4)
Cash distributions paid to owners	(920.1)	(870.5)
Cash payments made in connection with DERs	0.0	0.0
Cash distributions paid to noncontrolling interests	0.0	0.0
Cash contributions from noncontrolling interests	0.0	0.0
Net cash proceeds from issuance of common units	0.0	0.0
Cash contributions from owners	173.2	445.6
Other financing activities	(22.7)	0.0
Cash provided by (used in) financing activities	69.6	(706.2)
Net change in cash and cash equivalents, including restricted cash	122.0	(321.2)
Cash and cash equivalents, including restricted cash, at beginning of period	65.2	366.2
Cash and cash equivalents, including restricted cash, at end of period	187.2	45.0
Other Subsidiaries (Non-guarantor) [Member]
Operating activities:
Net income	882.0	778.8
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	367.8	351.1
Equity in income of unconsolidated affiliates	(154.5)	(133.4)
Distributions received on earnings from unconsolidated affiliates	66.8	62.4
Net effect of changes in operating accounts and other operating activities	(545.7)	(958.0)
Net cash flows provided by operating activities	616.4	100.9
Investing activities:
Capital expenditures	(662.5)	(304.9)
Cash used for business combinations, net of cash received	(149.8)	(16.0)
Proceeds from asset sales	0.9	0.8
Other investing activities	(0.5)	4.1
Cash used in investing activities	(811.9)	(316.0)
Financing activities:
Borrowings under debt agreements	11.5	0.0
Repayments of debt	(0.1)	(0.1)
Cash distributions paid to owners	(259.3)	(242.6)
Cash payments made in connection with DERs	0.0	0.0
Cash distributions paid to noncontrolling interests	(2.0)	(2.5)
Cash contributions from noncontrolling interests	0.0	0.1
Net cash proceeds from issuance of common units	0.0	0.0
Cash contributions from owners	442.7	469.2
Other financing activities	0.0	0.0
Cash provided by (used in) financing activities	192.8	224.1
Net change in cash and cash equivalents, including restricted cash	(2.7)	9.0
Cash and cash equivalents, including restricted cash, at beginning of period	31.5	58.9
Cash and cash equivalents, including restricted cash, at end of period	28.8	67.9
Consolidated EPO and Subsidiaries [Member]
Operating activities:
Net income	920.2	777.5
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	431.0	402.3
Equity in income of unconsolidated affiliates	(115.7)	(94.8)
Distributions received on earnings from unconsolidated affiliates	107.5	90.5
Net effect of changes in operating accounts and other operating activities	(132.5)	(325.6)
Net cash flows provided by operating activities	1,210.5	849.9
Investing activities:
Capital expenditures	(946.5)	(430.4)
Cash used for business combinations, net of cash received	(149.8)	(16.0)
Proceeds from asset sales	1.1	2.0
Other investing activities	(23.9)	0.4
Cash used in investing activities	(1,119.1)	(444.0)
Financing activities:
Borrowings under debt agreements	16,283.8	17,575.1
Repayments of debt	(15,444.7)	(17,856.5)
Cash distributions paid to owners	(920.1)	(870.5)
Cash payments made in connection with DERs	0.0	0.0
Cash distributions paid to noncontrolling interests	(15.7)	(10.3)
Cash contributions from noncontrolling interests	0.1	0.2
Net cash proceeds from issuance of common units	0.0	0.0
Cash contributions from owners	173.2	445.6
Other financing activities	(22.7)	0.0
Cash provided by (used in) financing activities	53.9	(716.4)
Net change in cash and cash equivalents, including restricted cash	145.3	(310.5)
Cash and cash equivalents, including restricted cash, at beginning of period	70.3	417.6
Cash and cash equivalents, including restricted cash, at end of period	215.6	107.1
Consolidated EPO and Subsidiaries [Member] | Eliminations and Adjustments [Member]
Operating activities:
Net income	(869.8)	(767.0)
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	(0.1)	(0.1)
Equity in income of unconsolidated affiliates	869.8	767.4
Distributions received on earnings from unconsolidated affiliates	(242.7)	(227.3)
Net effect of changes in operating accounts and other operating activities	26.1	1.4
Net cash flows provided by operating activities	(216.7)	(225.6)
Investing activities:
Capital expenditures	0.0	0.0
Cash used for business combinations, net of cash received	0.0	0.0
Proceeds from asset sales	0.0	0.0
Other investing activities	451.2	461.6
Cash used in investing activities	451.2	461.6
Financing activities:
Borrowings under debt agreements	(11.5)	0.0
Repayments of debt	0.0	0.0
Cash distributions paid to owners	259.3	242.6
Cash payments made in connection with DERs	0.0	0.0
Cash distributions paid to noncontrolling interests	(13.7)	(7.8)
Cash contributions from noncontrolling interests	0.1	0.1
Net cash proceeds from issuance of common units	0.0	0.0
Cash contributions from owners	(442.7)	(469.2)
Other financing activities	0.0	0.0
Cash provided by (used in) financing activities	(208.5)	(234.3)
Net change in cash and cash equivalents, including restricted cash	26.0	1.7
Cash and cash equivalents, including restricted cash, at beginning of period	(26.4)	(7.5)
Cash and cash equivalents, including restricted cash, at end of period	(0.4)	(5.8)
Enterprise Products Partners L.P. (Guarantor) [Member]
Operating activities:
Net income	900.7	760.7
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	0.0	0.0
Equity in income of unconsolidated affiliates	(909.1)	(766.7)
Distributions received on earnings from unconsolidated affiliates	920.1	870.5
Net effect of changes in operating accounts and other operating activities	31.8	31.9
Net cash flows provided by operating activities	943.5	896.4
Investing activities:
Capital expenditures	0.0	0.0
Cash used for business combinations, net of cash received	0.0	0.0
Proceeds from asset sales	0.0	0.0
Other investing activities	(173.2)	(445.6)
Cash used in investing activities	(173.2)	(445.6)
Financing activities:
Borrowings under debt agreements	0.0	0.0
Repayments of debt	0.0	0.0
Cash distributions paid to owners	(918.5)	(869.0)
Cash payments made in connection with DERs	(3.9)	(3.2)
Cash distributions paid to noncontrolling interests	0.0	0.0
Cash contributions from noncontrolling interests	0.0	0.0
Net cash proceeds from issuance of common units	177.0	448.8
Cash contributions from owners	0.0	0.0
Other financing activities	(24.9)	(27.4)
Cash provided by (used in) financing activities	(770.3)	(450.8)
Net change in cash and cash equivalents, including restricted cash	0.0	0.0
Cash and cash equivalents, including restricted cash, at beginning of period	0.0	0.0
Cash and cash equivalents, including restricted cash, at end of period	$ 0.0	$ 0.0