Condensed Consolidating Financial Information, Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Operating activities:
Net income	$ 1,236.5	$ 687.2	$ 2,516.9	$ 1,598.7
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			963.1	873.8
Equity in income of unconsolidated affiliates	(137.4)	(122.3)	(292.0)	(238.0)
Distributions received on earnings from unconsolidated affiliates			291.1	227.6
Net effect of changes in operating accounts and other operating activities			(295.4)	235.7
Net cash flows provided by operating activities			3,183.7	2,697.8
Investing activities:
Capital expenditures			(2,260.8)	(1,921.1)
Cash used for business combinations, net of cash received			0.0	(149.7)
Proceeds from asset sales			16.1	2.6
Other investing activities			(41.8)	(21.4)
Cash used in investing activities			(2,286.5)	(2,089.6)
Financing activities:
Borrowings under debt agreements			40,318.1	38,566.4
Repayments of debt			(39,617.3)	(37,437.0)
Cash distributions paid to owners			(1,907.9)	(1,847.3)
Cash payments made in connection with DERs			(10.5)	(8.6)
Cash distributions paid to noncontrolling interests			(46.9)	(28.3)
Cash contributions from noncontrolling interests			99.6	206.9
Net cash proceeds from issuance of common units			82.2	261.0
Repurchase of common units under 2019 Buyback Program			(81.1)	0.0
Cash contributions from owners			0.0	0.0
Other financing activities			(36.2)	(50.1)
Cash provided by (used in) financing activities			(1,200.0)	(337.0)
Net change in cash and cash equivalents, including restricted cash			(302.8)	271.2
Cash and cash equivalents, including restricted cash, at beginning of period			410.1	70.3
Cash and cash equivalents, including restricted cash, at end of period	107.3	341.5	107.3	341.5
Eliminations and Adjustments [Member]
Operating activities:
Net income	(1,242.3)	(683.7)	(2,561.8)	(1,593.1)
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	1,242.0	683.5	2,561.2	1,592.6
Distributions received on earnings from unconsolidated affiliates			(2,021.2)	(1,891.4)
Net effect of changes in operating accounts and other operating activities			0.1	0.0
Net cash flows provided by operating activities			(2,021.7)	(1,891.9)
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			119.3	253.7
Cash used in investing activities			119.3	253.7
Financing activities:
Borrowings under debt agreements			0.0	0.0
Repayments of debt			0.0	0.0
Cash distributions paid to owners			2,021.2	1,891.4
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
Repurchase of common units under 2019 Buyback Program			0.0
Cash contributions from owners			(119.3)	(253.7)
Other financing activities			0.0	0.0
Cash provided by (used in) financing activities			1,902.4	1,638.2
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	1,245.2	681.8	2,568.1	1,589.8
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			153.0	129.3
Equity in income of unconsolidated affiliates	(1,198.2)	(667.7)	(2,475.0)	(1,498.7)
Distributions received on earnings from unconsolidated affiliates			742.1	609.5
Net effect of changes in operating accounts and other operating activities			1,246.9	1,405.7
Net cash flows provided by operating activities			2,235.1	2,235.6
Investing activities:
Capital expenditures			(388.6)	(460.7)
Cash used for business combinations, net of cash received			0.0	0.0
Proceeds from asset sales			0.8	0.4
Other investing activities			(1,014.8)	(1,024.5)
Cash used in investing activities			(1,402.6)	(1,484.8)
Financing activities:
Borrowings under debt agreements			40,318.1	38,566.4
Repayments of debt			(39,617.2)	(37,436.6)
Cash distributions paid to owners			(2,021.2)	(1,891.4)
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
Repurchase of common units under 2019 Buyback Program			0.0
Cash contributions from owners			119.3	253.7
Other financing activities			(0.3)	(24.3)
Cash provided by (used in) financing activities			(1,201.3)	(532.2)
Net change in cash and cash equivalents, including restricted cash			(368.8)	218.6
Cash and cash equivalents, including restricted cash, at beginning of period			393.4	65.2
Cash and cash equivalents, including restricted cash, at end of period	24.6	283.8	24.6	283.8
Other Subsidiaries (Non-guarantor) [Member]
Operating activities:
Net income	1,241.7	697.6	2,557.2	1,579.6
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			810.6	744.7
Equity in income of unconsolidated affiliates	(157.6)	(136.5)	(329.7)	(291.0)
Distributions received on earnings from unconsolidated affiliates			163.8	136.3
Net effect of changes in operating accounts and other operating activities			(1,718.2)	(1,229.3)
Net cash flows provided by operating activities			1,483.7	940.3
Investing activities:
Capital expenditures			(1,864.3)	(1,405.2)
Cash used for business combinations, net of cash received			0.0	(149.7)
Proceeds from asset sales			15.3	2.2
Other investing activities			(1.9)	160.4
Cash used in investing activities			(1,850.9)	(1,392.3)
Financing activities:
Borrowings under debt agreements			0.0	11.6
Repayments of debt			(0.1)	(0.4)
Cash distributions paid to owners			(679.8)	(727.8)
Cash payments made in connection with DERs			0.0	0.0
Cash distributions paid to noncontrolling interests			(4.9)	(4.3)
Cash contributions from noncontrolling interests			0.0	0.0
Net cash proceeds from issuance of common units			0.0	0.0
Repurchase of common units under 2019 Buyback Program			0.0
Cash contributions from owners			1,097.0	1,223.1
Other financing activities			(5.6)	0.0
Cash provided by (used in) financing activities			406.6	502.2
Net change in cash and cash equivalents, including restricted cash			39.4	50.2
Cash and cash equivalents, including restricted cash, at beginning of period			50.3	31.5
Cash and cash equivalents, including restricted cash, at end of period	89.7	81.7	89.7	81.7
Consolidated EPO and Subsidiaries [Member]
Operating activities:
Net income	1,264.1	697.1	2,603.5	1,617.3
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			963.1	873.8
Equity in income of unconsolidated affiliates	(137.4)	(122.3)	(292.0)	(238.0)
Distributions received on earnings from unconsolidated affiliates			291.1	227.6
Net effect of changes in operating accounts and other operating activities			(427.4)	179.4
Net cash flows provided by operating activities			3,138.3	2,660.1
Investing activities:
Capital expenditures			(2,260.8)	(1,865.9)
Cash used for business combinations, net of cash received			0.0	(149.7)
Proceeds from asset sales			16.1	2.6
Other investing activities			(41.8)	(21.4)
Cash used in investing activities			(2,286.5)	(2,034.4)
Financing activities:
Borrowings under debt agreements			40,318.1	38,566.4
Repayments of debt			(39,617.3)	(37,437.0)
Cash distributions paid to owners			(2,021.2)	(1,891.4)
Cash payments made in connection with DERs			0.0	0.0
Cash distributions paid to noncontrolling interests			(47.4)	(28.8)
Cash contributions from noncontrolling interests			99.6	206.9
Net cash proceeds from issuance of common units			0.0	0.0
Repurchase of common units under 2019 Buyback Program			0.0
Cash contributions from owners			119.3	253.7
Other financing activities			(5.9)	(24.3)
Cash provided by (used in) financing activities			(1,154.8)	(354.5)
Net change in cash and cash equivalents, including restricted cash			(303.0)	271.2
Cash and cash equivalents, including restricted cash, at beginning of period			410.1	70.3
Cash and cash equivalents, including restricted cash, at end of period	107.1	341.5	107.1	341.5
Consolidated EPO and Subsidiaries [Member] | Eliminations and Adjustments [Member]
Operating activities:
Net income	(1,222.8)	(682.3)	(2,521.8)	(1,552.1)
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion			(0.5)	(0.2)
Equity in income of unconsolidated affiliates	1,218.4	681.9	2,512.7	1,551.7
Distributions received on earnings from unconsolidated affiliates			(614.8)	(518.2)
Net effect of changes in operating accounts and other operating activities			43.9	3.0
Net cash flows provided by operating activities			(580.5)	(515.8)
Investing activities:
Capital expenditures			(7.9)	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			974.9	842.7
Cash used in investing activities			967.0	842.7
Financing activities:
Borrowings under debt agreements			0.0	(11.6)
Repayments of debt			0.0	0.0
Cash distributions paid to owners			679.8	727.8
Cash payments made in connection with DERs			0.0	0.0
Cash distributions paid to noncontrolling interests			(42.5)	(24.5)
Cash contributions from noncontrolling interests			99.6	206.9
Net cash proceeds from issuance of common units			0.0	0.0
Repurchase of common units under 2019 Buyback Program			0.0
Cash contributions from owners			(1,097.0)	(1,223.1)
Other financing activities			0.0	0.0
Cash provided by (used in) financing activities			(360.1)	(324.5)
Net change in cash and cash equivalents, including restricted cash			26.4	2.4
Cash and cash equivalents, including restricted cash, at beginning of period			(33.6)	(26.4)
Cash and cash equivalents, including restricted cash, at end of period	(7.2)	(24.0)	(7.2)	(24.0)
Enterprise Products Partners L.P. (Guarantor) [Member]
Operating activities:
Net income	1,214.7	673.8	2,475.2	1,574.5
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	(1,242.0)	(683.5)	(2,561.2)	(1,592.6)
Distributions received on earnings from unconsolidated affiliates			2,021.2	1,891.4
Net effect of changes in operating accounts and other operating activities			131.9	56.3
Net cash flows provided by operating activities			2,067.1	1,929.6
Investing activities:
Capital expenditures			0.0	(55.2)
Cash used for business combinations, net of cash received			0.0	0.0
Proceeds from asset sales			0.0	0.0
Other investing activities			(119.3)	(253.7)
Cash used in investing activities			(119.3)	(308.9)
Financing activities:
Borrowings under debt agreements			0.0	0.0
Repayments of debt			0.0	0.0
Cash distributions paid to owners			(1,907.9)	(1,847.3)
Cash payments made in connection with DERs			(10.5)	(8.6)
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			82.2	261.0
Repurchase of common units under 2019 Buyback Program			(81.1)
Cash contributions from owners			0.0	0.0
Other financing activities			(30.3)	(25.8)
Cash provided by (used in) financing activities			(1,947.6)	(1,620.7)
Net change in cash and cash equivalents, including restricted cash			0.2	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	$ 0.2	$ 0.0	$ 0.2	$ 0.0