Condensed Consolidating Financial Information, Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Operating activities:
Net income	$ 687.2	$ 666.0	$ 1,598.7	$ 1,437.0
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			889.3	808.8
Equity in income of unconsolidated affiliates	(122.3)	(107.0)	(238.0)	(201.8)
Distributions received on earnings from unconsolidated affiliates			227.6	205.1
Net effect of changes in operating accounts and other operating activities			220.2	85.8
Net cash flows provided by operating activities			2,697.8	2,334.9
Investing activities:
Capital expenditures			(1,921.1)	(1,113.1)
Cash used for business combinations, net of cash received			(149.7)	(191.4)
Proceeds from asset sales			2.6	3.2
Other investing activities			(21.4)	2.7
Cash used in investing activities			(2,089.6)	(1,298.6)
Financing activities:
Borrowings under debt agreements			38,566.4	33,307.8
Repayments of debt			(37,437.0)	(33,639.3)
Cash distributions paid to owners			(1,847.3)	(1,757.8)
Cash payments made in connection with DERs			(8.6)	(7.2)
Cash distributions paid to noncontrolling interests			(28.3)	(23.1)
Cash contributions from noncontrolling interests			206.9	0.3
Net cash proceeds from issuance of common units			261.0	757.2
Cash contributions from owners			0.0	0.0
Other financing activities			(50.1)	(27.8)
Cash provided by (used in) financing activities			(337.0)	(1,389.9)
Net change in cash and cash equivalents, including restricted cash			271.2	(353.6)
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	341.5	64.0	341.5	64.0
Eliminations and Adjustments [Member]
Operating activities:
Net income	(683.7)	(673.4)	(1,593.1)	(1,440.6)
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	683.5	673.0	1,592.6	1,439.7
Distributions received on earnings from unconsolidated affiliates			(1,891.4)	(1,753.3)
Net effect of changes in operating accounts and other operating activities			0.0	0.4
Net cash flows provided by operating activities			(1,891.9)	(1,753.8)
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			253.7	750.9
Cash used in investing activities			253.7	750.9
Financing activities:
Borrowings under debt agreements			0.0	0.0
Repayments of debt			0.0	0.0
Cash distributions paid to owners			1,891.4	1,753.3
Cash payments made in connection with DERs			0.0	0.0
Cash distributions paid to noncontrolling interests			0.5	0.5
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			(253.7)	(750.9)
Other financing activities			0.0	0.0
Cash provided by (used in) financing activities			1,638.2	1,002.9
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	0.0	0.0
Subsidiary Issuer (EPO) [Member]
Operating activities:
Net income	681.8	672.1	1,589.8	1,437.8
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			144.8	103.3
Equity in income of unconsolidated affiliates	(667.7)	(716.1)	(1,498.7)	(1,444.9)
Distributions received on earnings from unconsolidated affiliates			609.5	529.3
Net effect of changes in operating accounts and other operating activities			1,390.2	1,793.0
Net cash flows provided by operating activities			2,235.6	2,418.5
Investing activities:
Capital expenditures			(460.7)	(369.3)
Cash used for business combinations, net of cash received			0.0	0.0
Proceeds from asset sales			0.4	1.4
Other investing activities			(1,024.5)	(1,079.2)
Cash used in investing activities			(1,484.8)	(1,447.1)
Financing activities:
Borrowings under debt agreements			38,566.4	33,307.8
Repayments of debt			(37,436.6)	(33,605.2)
Cash distributions paid to owners			(1,891.4)	(1,753.3)
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			253.7	750.9
Other financing activities			(24.3)	0.7
Cash provided by (used in) financing activities			(532.2)	(1,299.1)
Net change in cash and cash equivalents, including restricted cash			218.6	(327.7)
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	283.8	38.5	283.8	38.5
Other Subsidiaries (Non-guarantor) [Member]
Operating activities:
Net income	697.6	765.0	1,579.6	1,543.8
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			744.7	705.7
Equity in income of unconsolidated affiliates	(136.5)	(142.3)	(291.0)	(275.7)
Distributions received on earnings from unconsolidated affiliates			136.3	133.7
Net effect of changes in operating accounts and other operating activities			(1,229.3)	(1,766.2)
Net cash flows provided by operating activities			940.3	341.3
Investing activities:
Capital expenditures			(1,405.2)	(743.8)
Cash used for business combinations, net of cash received			(149.7)	(191.4)
Proceeds from asset sales			2.2	1.8
Other investing activities			160.4	(26.4)
Cash used in investing activities			(1,392.3)	(959.8)
Financing activities:
Borrowings under debt agreements			11.6	0.0
Repayments of debt			(0.4)	(0.1)
Cash distributions paid to owners			(727.8)	(491.2)
Cash payments made in connection with DERs			0.0	0.0
Cash distributions paid to noncontrolling interests			(4.3)	(4.7)
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			1,223.1	1,088.9
Other financing activities			0.0	0.0
Cash provided by (used in) financing activities			502.2	593.0
Net change in cash and cash equivalents, including restricted cash			50.2	(25.5)
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	81.7	33.4	81.7	33.4
Consolidated EPO and Subsidiaries [Member]
Operating activities:
Net income	697.1	685.7	1,617.3	1,463.2
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			889.3	808.8
Equity in income of unconsolidated affiliates	(122.3)	(107.0)	(238.0)	(201.8)
Distributions received on earnings from unconsolidated affiliates			227.6	205.1
Net effect of changes in operating accounts and other operating activities			163.9	26.1
Net cash flows provided by operating activities			2,660.1	2,301.4
Investing activities:
Capital expenditures			(1,865.9)	(1,113.1)
Cash used for business combinations, net of cash received			(149.7)	(191.4)
Proceeds from asset sales			2.6	3.2
Other investing activities			(21.4)	2.7
Cash used in investing activities			(2,034.4)	(1,298.6)
Financing activities:
Borrowings under debt agreements			38,566.4	33,307.8
Repayments of debt			(37,437.0)	(33,639.3)
Cash distributions paid to owners			(1,891.4)	(1,753.3)
Cash payments made in connection with DERs			0.0	0.0
Cash distributions paid to noncontrolling interests			(28.8)	(23.6)
Cash contributions from noncontrolling interests			206.9	0.3
Net cash proceeds from issuance of common units			0.0	0.0
Cash contributions from owners			253.7	750.9
Other financing activities			(24.3)	0.7
Cash provided by (used in) financing activities			(354.5)	(1,356.5)
Net change in cash and cash equivalents, including restricted cash			271.2	(353.7)
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	341.5	63.9	341.5	63.9
Consolidated EPO and Subsidiaries [Member] | Eliminations and Adjustments [Member]
Operating activities:
Net income	(682.3)	(751.4)	(1,552.1)	(1,518.4)
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	681.9	751.4	1,551.7	1,518.8
Distributions received on earnings from unconsolidated affiliates			(518.2)	(457.9)
Net effect of changes in operating accounts and other operating activities			3.0	(0.7)
Net cash flows provided by operating activities			(515.8)	(458.4)
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			842.7	1,108.3
Cash used in investing activities			842.7	1,108.3
Financing activities:
Borrowings under debt agreements			(11.6)	0.0
Repayments of debt			0.0	(34.0)
Cash distributions paid to owners			727.8	491.2
Cash payments made in connection with DERs			0.0	0.0
Cash distributions paid to noncontrolling interests			(24.5)	(18.9)
Cash contributions from noncontrolling interests			206.9	0.2
Net cash proceeds from issuance of common units			0.0	0.0
Cash contributions from owners			(1,223.1)	(1,088.9)
Other financing activities			0.0	0.0
Cash provided by (used in) financing activities			(324.5)	(650.4)
Net change in cash and cash equivalents, including restricted cash			2.4	(0.5)
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	(24.0)	(8.0)	(24.0)	(8.0)
Enterprise Products Partners L.P. (Guarantor) [Member]
Operating activities:
Net income	673.8	653.7	1,574.5	1,414.4
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	(683.5)	(673.0)	(1,592.6)	(1,439.7)
Distributions received on earnings from unconsolidated affiliates			1,891.4	1,753.3
Net effect of changes in operating accounts and other operating activities			56.3	59.3
Net cash flows provided by operating activities			1,929.6	1,787.3
Investing activities:
Capital expenditures			(55.2)	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			(253.7)	(750.9)
Cash used in investing activities			(308.9)	(750.9)
Financing activities:
Borrowings under debt agreements			0.0	0.0
Repayments of debt			0.0	0.0
Cash distributions paid to owners			(1,847.3)	(1,757.8)
Cash payments made in connection with DERs			(8.6)	(7.2)
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			261.0	757.2
Cash contributions from owners			0.0	0.0
Other financing activities			(25.8)	(28.5)
Cash provided by (used in) financing activities			(1,620.7)	(1,036.3)
Net change in cash and cash equivalents, including restricted cash			0.0	0.1
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	$ 0.1	$ 0.0	$ 0.1