Condensed Consolidating Financial Information, Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Operating activities:
Net income	$ 666.0	$ 570.0	$ 1,437.0	$ 1,240.2
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			808.8	763.4
Equity in income of unconsolidated affiliates	(107.0)	(76.4)	(201.8)	(177.5)
Distributions received on earnings from unconsolidated affiliates			205.1	195.1
Net effect of changes in operating accounts and other operating activities			85.8	(176.0)
Net cash flows provided by operating activities			2,334.9	1,845.2
Investing activities:
Capital expenditures, net of contributions in aid of construction costs			(1,113.1)	(1,856.8)
Cash used for business combinations, net of cash received			(191.4)	0.0
Proceeds from asset sales			3.2	27.9
Other investing activities			321.8	(409.7)
Cash used in investing activities			(979.5)	(2,238.6)
Financing activities:
Borrowings under debt agreements			33,307.8	33,235.3
Repayments of debt			(33,639.3)	(32,986.7)
Cash distributions paid to owners			(1,757.8)	(1,610.5)
Cash payments made in connection with DERs			(7.2)	(5.3)
Cash distributions paid to noncontrolling interests			(23.1)	(20.8)
Cash contributions from noncontrolling interests			0.3	16.0
Net cash proceeds from issuance of common units			757.2	1,888.3
Cash contributions from owners			0.0	0.0
Other financing activities			(27.8)	(28.4)
Cash provided by (used in) financing activities			(1,389.9)	487.9
Net change in cash and cash equivalents			(34.5)	94.5
Cash and cash equivalents, beginning balance			63.1	19.0
Cash and cash equivalents, ending balance	28.6	113.5	28.6	113.5
Eliminations and Adjustments [Member]
Operating activities:
Net income	(673.4)	(582.8)	(1,440.6)	(1,243.3)
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	673.0	582.3	1,439.7	1,242.4
Distributions received on earnings from unconsolidated affiliates			(1,753.3)	(1,633.4)
Net effect of changes in operating accounts and other operating activities			0.4	0.6
Net cash flows provided by operating activities			(1,753.8)	(1,633.7)
Investing activities:
Capital expenditures, net of contributions in aid of construction costs			0.0	0.0
Cash used for business combinations, net of cash received			0.0
Proceeds from asset sales			0.0	0.0
Other investing activities			750.9	1,881.8
Cash used in investing activities			750.9	1,881.8
Financing activities:
Borrowings under debt agreements			0.0	0.0
Repayments of debt			0.0	0.0
Cash distributions paid to owners			1,753.3	1,633.4
Cash payments made in connection with DERs			0.0	0.0
Cash distributions paid to noncontrolling interests			0.5	0.3
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			(750.9)	(1,881.8)
Other financing activities			0.0	0.0
Cash provided by (used in) financing activities			1,002.9	(248.1)
Net change in cash and cash equivalents			0.0	0.0
Cash and cash equivalents, beginning balance			0.0	0.0
Cash and cash equivalents, ending balance	0.0	0.0	0.0	0.0
Subsidiary Issuer (EPO) [Member]
Operating activities:
Net income	672.1	587.1	1,437.8	1,246.3
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			103.3	84.9
Equity in income of unconsolidated affiliates	(716.1)	(637.3)	(1,444.9)	(1,270.0)
Distributions received on earnings from unconsolidated affiliates			529.3	475.9
Net effect of changes in operating accounts and other operating activities			1,793.0	679.7
Net cash flows provided by operating activities			2,418.5	1,216.8
Investing activities:
Capital expenditures, net of contributions in aid of construction costs			(369.3)	(729.1)
Cash used for business combinations, net of cash received			0.0
Proceeds from asset sales			1.4	13.9
Other investing activities			(759.8)	(945.0)
Cash used in investing activities			(1,127.7)	(1,660.2)
Financing activities:
Borrowings under debt agreements			33,307.8	33,235.3
Repayments of debt			(33,605.2)	(32,986.6)
Cash distributions paid to owners			(1,753.3)	(1,633.4)
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			750.9	1,881.8
Other financing activities			0.7	(7.2)
Cash provided by (used in) financing activities			(1,299.1)	489.9
Net change in cash and cash equivalents			(8.3)	46.5
Cash and cash equivalents, beginning balance			13.4	0.0
Cash and cash equivalents, ending balance	5.1	46.5	5.1	46.5
Other Subsidiaries (Non-guarantor) [Member]
Operating activities:
Net income	765.0	694.4	1,543.8	1,369.8
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			705.7	678.7
Equity in income of unconsolidated affiliates	(142.3)	(126.4)	(275.7)	(260.0)
Distributions received on earnings from unconsolidated affiliates			133.7	81.5
Net effect of changes in operating accounts and other operating activities			(1,766.2)	(922.9)
Net cash flows provided by operating activities			341.3	947.1
Investing activities:
Capital expenditures, net of contributions in aid of construction costs			(743.8)	(1,127.7)
Cash used for business combinations, net of cash received			(191.4)
Proceeds from asset sales			1.8	14.0
Other investing activities			(26.7)	(47.5)
Cash used in investing activities			(960.1)	(1,161.2)
Financing activities:
Borrowings under debt agreements			0.0	32.5
Repayments of debt			(0.1)	(0.1)
Cash distributions paid to owners			(491.2)	(379.9)
Cash payments made in connection with DERs			0.0	0.0
Cash distributions paid to noncontrolling interests			(4.7)	(3.5)
Cash contributions from noncontrolling interests			0.1	16.0
Net cash proceeds from issuance of common units			0.0	0.0
Cash contributions from owners			1,088.9	550.3
Other financing activities			0.0	0.0
Cash provided by (used in) financing activities			593.0	215.3
Net change in cash and cash equivalents			(25.8)	1.2
Cash and cash equivalents, beginning balance			57.2	69.6
Cash and cash equivalents, ending balance	31.4	70.8	31.4	70.8
Consolidated EPO and Subsidiaries [Member]
Operating activities:
Net income	685.7	594.3	1,463.2	1,263.8
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			808.8	763.4
Equity in income of unconsolidated affiliates	(107.0)	(76.4)	(201.8)	(177.5)
Distributions received on earnings from unconsolidated affiliates			205.1	195.1
Net effect of changes in operating accounts and other operating activities			26.1	(196.4)
Net cash flows provided by operating activities			2,301.4	1,848.4
Investing activities:
Capital expenditures, net of contributions in aid of construction costs			(1,113.1)	(1,856.8)
Cash used for business combinations, net of cash received			(191.4)
Proceeds from asset sales			3.2	27.9
Other investing activities			321.8	(409.7)
Cash used in investing activities			(979.5)	(2,238.6)
Financing activities:
Borrowings under debt agreements			33,307.8	33,235.3
Repayments of debt			(33,639.3)	(32,986.7)
Cash distributions paid to owners			(1,753.3)	(1,633.4)
Cash payments made in connection with DERs			0.0	0.0
Cash distributions paid to noncontrolling interests			(23.6)	(21.1)
Cash contributions from noncontrolling interests			0.3	16.0
Net cash proceeds from issuance of common units			0.0	0.0
Cash contributions from owners			750.9	1,881.8
Other financing activities			0.7	(7.2)
Cash provided by (used in) financing activities			(1,356.5)	484.7
Net change in cash and cash equivalents			(34.6)	94.5
Cash and cash equivalents, beginning balance			63.1	19.0
Cash and cash equivalents, ending balance	28.5	113.5	28.5	113.5
Consolidated EPO and Subsidiaries [Member] | Eliminations and Adjustments [Member]
Operating activities:
Net income	(751.4)	(687.2)	(1,518.4)	(1,352.3)
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			(0.2)	(0.2)
Equity in income of unconsolidated affiliates	751.4	687.3	1,518.8	1,352.5
Distributions received on earnings from unconsolidated affiliates			(457.9)	(362.3)
Net effect of changes in operating accounts and other operating activities			(0.7)	46.8
Net cash flows provided by operating activities			(458.4)	(315.5)
Investing activities:
Capital expenditures, net of contributions in aid of construction costs			0.0	0.0
Cash used for business combinations, net of cash received			0.0
Proceeds from asset sales			0.0	0.0
Other investing activities			1,108.3	582.8
Cash used in investing activities			1,108.3	582.8
Financing activities:
Borrowings under debt agreements			0.0	(32.5)
Repayments of debt			(34.0)	0.0
Cash distributions paid to owners			491.2	379.9
Cash payments made in connection with DERs			0.0	0.0
Cash distributions paid to noncontrolling interests			(18.9)	(17.6)
Cash contributions from noncontrolling interests			0.2	0.0
Net cash proceeds from issuance of common units			0.0	0.0
Cash contributions from owners			(1,088.9)	(550.3)
Other financing activities			0.0	0.0
Cash provided by (used in) financing activities			(650.4)	(220.5)
Net change in cash and cash equivalents			(0.5)	46.8
Cash and cash equivalents, beginning balance			(7.5)	(50.6)
Cash and cash equivalents, ending balance	(8.0)	(3.8)	(8.0)	(3.8)
Enterprise Products Partners L.P. (Guarantor) [Member]
Operating activities:
Net income	653.7	558.5	1,414.4	1,219.7
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	(673.0)	(582.3)	(1,439.7)	(1,242.4)
Distributions received on earnings from unconsolidated affiliates			1,753.3	1,633.4
Net effect of changes in operating accounts and other operating activities			59.3	19.8
Net cash flows provided by operating activities			1,787.3	1,630.5
Investing activities:
Capital expenditures, net of contributions in aid of construction costs			0.0	0.0
Cash used for business combinations, net of cash received			0.0
Proceeds from asset sales			0.0	0.0
Other investing activities			(750.9)	(1,881.8)
Cash used in investing activities			(750.9)	(1,881.8)
Financing activities:
Borrowings under debt agreements			0.0	0.0
Repayments of debt			0.0	0.0
Cash distributions paid to owners			(1,757.8)	(1,610.5)
Cash payments made in connection with DERs			(7.2)	(5.3)
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			757.2	1,888.3
Cash contributions from owners			0.0	0.0
Other financing activities			(28.5)	(21.2)
Cash provided by (used in) financing activities			(1,036.3)	251.3
Net change in cash and cash equivalents			0.1	0.0
Cash and cash equivalents, beginning balance			0.0	0.0
Cash and cash equivalents, ending balance	$ 0.1	$ 0.0	$ 0.1	$ 0.0