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Condensed Consolidating Financial Information, Statements of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating activities:
Net income	$ 1,125.4	$ 1,044.8	$ 1,236.5	$ 1,280.4	$ 1,305.2	$ 1,334.6	$ 687.2	$ 911.5	$ 4,687.1	$ 4,238.5	$ 2,855.6
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									1,949.3	1,791.6	1,644.0
Equity in income of unconsolidated affiliates									(563.0)	(480.0)	(426.0)
Distributions received from unconsolidated affiliates attributable to earnings									568.0	479.4	433.7
Net effect of changes in operating accounts and other operating activities									(120.9)	96.8	159.0
Net cash flows provided by operating activities									6,520.5	6,126.3	4,666.3
Investing activities:
Capital expenditures									(4,531.7)	(4,223.2)	(3,101.8)
Cash used for business combinations, net of cash received									0.0	(150.6)	(198.7)
Proceeds from asset sales									20.6	161.2	40.1
Other investing activities									(64.4)	(69.0)	(25.7)
Cash used in investing activities									(4,575.5)	(4,281.6)	(3,286.1)
Financing activities:
Borrowings under debt agreements									58,172.6	79,588.7	69,315.3
Repayments of debt									(56,716.5)	(77,957.1)	(68,459.6)
Cash distributions paid to owners									(3,839.8)	(3,726.9)	(3,569.9)
Cash payments made in connection with DERs									(22.1)	(17.7)	(15.1)
Cash distributions paid to noncontrolling interests									(106.2)	(81.6)	(49.2)
Cash contributions from noncontrolling interests									632.8	238.1	0.4
Net cash proceeds from the issuance of common units									82.2	538.4	1,073.4
Repurchase of common units under buyback programs									(81.1)	(30.8)	0.0
Cash contributions from owners									0.0	0.0	0.0
Other financing activities									(67.0)	(56.0)	(22.8)
Cash provided by (used in) financing activities									(1,945.1)	(1,504.9)	(1,727.5)
Net change in cash and cash equivalents, including restricted cash									(0.1)	339.8	(347.3)
Cash and cash equivalents, including restricted cash, at beginning of period				410.1				70.3	410.1	70.3	417.6
Cash and cash equivalents, including restricted cash, at end of period	410.0				410.1				410.0	410.1	70.3
Eliminations and Adjustments [Member]
Operating activities:
Net income									(4,714.1)	(4,232.4)	(2,865.4)
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									0.0	0.0	0.0
Equity in income of unconsolidated affiliates									4,713.0	4,230.8	2,865.4
Distributions received from unconsolidated affiliates attributable to earnings									(4,005.8)	(3,780.0)	(3,574.6)
Net effect of changes in operating accounts and other operating activities									0.2	0.6	(1.0)
Net cash flows provided by operating activities									(4,006.7)	(3,781.0)	(3,575.6)
Investing activities:
Capital expenditures									0.0	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	0.0
Other investing activities									119.3	523.3	1,060.5
Cash used in investing activities									119.3	523.3	1,060.5
Financing activities:
Borrowings under debt agreements									0.0	0.0	0.0
Repayments of debt									0.0	0.0	0.0
Cash distributions paid to owners									4,005.8	3,780.0	3,574.6
Cash payments made in connection with DERs									0.0	0.0	0.0
Cash distributions paid to noncontrolling interests									0.9	1.0	1.0
Cash contributions from noncontrolling interests									0.0	0.0	0.0
Net cash proceeds from the issuance of common units									0.0	0.0	0.0
Repurchase of common units under buyback programs									0.0	0.0
Cash contributions from owners									(119.3)	(523.3)	(1,060.5)
Other financing activities									0.0	0.0	0.0
Cash provided by (used in) financing activities									3,887.4	3,257.7	2,515.1
Net change in cash and cash equivalents, including restricted cash									0.0	0.0	0.0
Cash and cash equivalents, including restricted cash, at beginning of period				0.0				0.0	0.0	0.0	0.0
Cash and cash equivalents, including restricted cash, at end of period	0.0				0.0				0.0	0.0	0.0
Subsidiary Issuer (EPO) [Member]
Operating activities:
Net income									4,717.2	4,230.5	2,860.6
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									309.0	279.9	216.6
Equity in income of unconsolidated affiliates									(4,667.1)	(4,148.3)	(2,990.1)
Distributions received from unconsolidated affiliates attributable to earnings									1,560.7	1,248.9	1,162.8
Net effect of changes in operating accounts and other operating activities									3,007.5	3,221.5	2,812.2
Net cash flows provided by operating activities									4,927.3	4,832.5	4,062.1
Investing activities:
Capital expenditures									(675.4)	(692.0)	(846.8)
Cash used for business combinations, net of cash received										0.0	(7.3)
Proceeds from asset sales									2.3	129.3	17.0
Other investing activities									(2,080.6)	(2,288.2)	(1,908.5)
Cash used in investing activities									(2,753.7)	(2,850.9)	(2,745.6)
Financing activities:
Borrowings under debt agreements									58,172.6	79,588.7	69,349.3
Repayments of debt									(56,716.4)	(77,956.7)	(68,459.5)
Cash distributions paid to owners									(4,005.8)	(3,780.0)	(3,574.6)
Cash payments made in connection with DERs									0.0	0.0	0.0
Cash distributions paid to noncontrolling interests									0.0	0.0	0.0
Cash contributions from noncontrolling interests									0.0	0.0	0.0
Net cash proceeds from the issuance of common units									0.0	0.0	0.0
Repurchase of common units under buyback programs									0.0	0.0
Cash contributions from owners									119.3	523.3	1,060.5
Other financing activities									(27.5)	(28.7)	6.8
Cash provided by (used in) financing activities									(2,457.8)	(1,653.4)	(1,617.5)
Net change in cash and cash equivalents, including restricted cash									(284.2)	328.2	(301.0)
Cash and cash equivalents, including restricted cash, at beginning of period				393.4				65.2	393.4	65.2	366.2
Cash and cash equivalents, including restricted cash, at end of period	109.2				393.4				109.2	393.4	65.2
Other Subsidiaries (Non-guarantor) [Member]
Operating activities:
Net income									4,854.0	4,328.1	3,191.4
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									1,642.7	1,512.1	1,427.8
Equity in income of unconsolidated affiliates									(648.7)	(587.2)	(566.8)
Distributions received from unconsolidated affiliates attributable to earnings									317.7	263.0	272.7
Net effect of changes in operating accounts and other operating activities									(3,294.0)	(3,244.2)	(2,726.3)
Net cash flows provided by operating activities									2,871.7	2,271.8	1,598.8
Investing activities:
Capital expenditures									(3,850.2)	(3,476.0)	(2,255.0)
Cash used for business combinations, net of cash received										(150.6)	(191.4)
Proceeds from asset sales									18.3	31.9	23.1
Other investing activities									3.7	196.2	(28.0)
Cash used in investing activities									(3,828.2)	(3,398.5)	(2,451.3)
Financing activities:
Borrowings under debt agreements									0.0	11.5	0.0
Repayments of debt									(0.1)	(0.4)	(0.1)
Cash distributions paid to owners									(1,871.7)	(1,333.1)	(1,065.3)
Cash payments made in connection with DERs									0.0	0.0	0.0
Cash distributions paid to noncontrolling interests									(9.5)	(9.2)	(9.6)
Cash contributions from noncontrolling interests									0.0	0.0	0.1
Net cash proceeds from the issuance of common units									0.0	0.0	0.0
Repurchase of common units under buyback programs									0.0	0.0
Cash contributions from owners									3,109.0	2,476.7	1,900.0
Other financing activities									(5.7)	0.0	0.0
Cash provided by (used in) financing activities									1,222.0	1,145.5	825.1
Net change in cash and cash equivalents, including restricted cash									265.5	18.8	(27.4)
Cash and cash equivalents, including restricted cash, at beginning of period				50.3				31.5	50.3	31.5	58.9
Cash and cash equivalents, including restricted cash, at end of period	315.8				50.3				315.8	50.3	31.5
Consolidated EPO and Subsidiaries [Member]
Operating activities:
Net income									4,809.9	4,298.5	2,921.7
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									1,949.3	1,791.6	1,644.0
Equity in income of unconsolidated affiliates									(563.0)	(480.0)	(426.0)
Distributions received from unconsolidated affiliates attributable to earnings									568.0	479.4	433.7
Net effect of changes in operating accounts and other operating activities									(251.0)	(25.0)	66.8
Net cash flows provided by operating activities									6,513.2	6,064.5	4,640.2
Investing activities:
Capital expenditures									(4,531.7)	(4,168.0)	(3,101.8)
Cash used for business combinations, net of cash received										(150.6)	(198.7)
Proceeds from asset sales									20.6	161.2	40.1
Other investing activities									(64.4)	(69.0)	(25.7)
Cash used in investing activities									(4,575.5)	(4,226.4)	(3,286.1)
Financing activities:
Borrowings under debt agreements									58,172.6	79,588.7	69,315.3
Repayments of debt									(56,716.5)	(77,957.1)	(68,459.6)
Cash distributions paid to owners									(4,005.8)	(3,780.0)	(3,574.6)
Cash payments made in connection with DERs									0.0	0.0	0.0
Cash distributions paid to noncontrolling interests									(107.1)	(82.6)	(50.2)
Cash contributions from noncontrolling interests									632.8	238.1	0.4
Net cash proceeds from the issuance of common units									0.0	0.0	0.0
Repurchase of common units under buyback programs									0.0	0.0
Cash contributions from owners									119.3	523.3	1,060.5
Other financing activities									(33.2)	(28.7)	6.8
Cash provided by (used in) financing activities									(1,937.9)	(1,498.3)	(1,701.4)
Net change in cash and cash equivalents, including restricted cash									(0.2)	339.8	(347.3)
Cash and cash equivalents, including restricted cash, at beginning of period				410.1				70.3	410.1	70.3	417.6
Cash and cash equivalents, including restricted cash, at end of period	409.9				410.1				409.9	410.1	70.3
Consolidated EPO and Subsidiaries [Member] | Eliminations and Adjustments [Member]
Operating activities:
Net income									(4,761.3)	(4,260.1)	(3,130.3)
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									(2.4)	(0.4)	(0.4)
Equity in income of unconsolidated affiliates									4,752.8	4,255.5	3,130.9
Distributions received from unconsolidated affiliates attributable to earnings									(1,310.4)	(1,032.5)	(1,001.8)
Net effect of changes in operating accounts and other operating activities									35.5	(2.3)	(19.1)
Net cash flows provided by operating activities									(1,285.8)	(1,039.8)	(1,020.7)
Investing activities:
Capital expenditures									(6.1)	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	0.0
Other investing activities									2,012.5	2,023.0	1,910.8
Cash used in investing activities									2,006.4	2,023.0	1,910.8
Financing activities:
Borrowings under debt agreements									0.0	(11.5)	(34.0)
Repayments of debt									0.0	0.0	0.0
Cash distributions paid to owners									1,871.7	1,333.1	1,065.3
Cash payments made in connection with DERs									0.0	0.0	0.0
Cash distributions paid to noncontrolling interests									(97.6)	(73.4)	(40.6)
Cash contributions from noncontrolling interests									632.8	238.1	0.3
Net cash proceeds from the issuance of common units									0.0	0.0	0.0
Repurchase of common units under buyback programs									0.0	0.0
Cash contributions from owners									(3,109.0)	(2,476.7)	(1,900.0)
Other financing activities									0.0	0.0	0.0
Cash provided by (used in) financing activities									(702.1)	(990.4)	(909.0)
Net change in cash and cash equivalents, including restricted cash									18.5	(7.2)	(18.9)
Cash and cash equivalents, including restricted cash, at beginning of period				(33.6)				(26.4)	(33.6)	(26.4)	(7.5)
Cash and cash equivalents, including restricted cash, at end of period	(15.1)				(33.6)				(15.1)	(33.6)	(26.4)
Enterprise Products Partners L.P. (Guarantor) [Member]
Operating activities:
Net income									4,591.3	4,172.4	2,799.3
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									0.0	0.0	0.0
Equity in income of unconsolidated affiliates									(4,713.0)	(4,230.8)	(2,865.4)
Distributions received from unconsolidated affiliates attributable to earnings									4,005.8	3,780.0	3,574.6
Net effect of changes in operating accounts and other operating activities									129.9	121.2	93.2
Net cash flows provided by operating activities									4,014.0	3,842.8	3,601.7
Investing activities:
Capital expenditures									0.0	(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	0.0
Other investing activities									(119.3)	(523.3)	(1,060.5)
Cash used in investing activities									(119.3)	(578.5)	(1,060.5)
Financing activities:
Borrowings under debt agreements									0.0	0.0	0.0
Repayments of debt									0.0	0.0	0.0
Cash distributions paid to owners									(3,839.8)	(3,726.9)	(3,569.9)
Cash payments made in connection with DERs									(22.1)	(17.7)	(15.1)
Cash distributions paid to noncontrolling interests									0.0	0.0	0.0
Cash contributions from noncontrolling interests									0.0	0.0	0.0
Net cash proceeds from the issuance of common units									82.2	538.4	1,073.4
Repurchase of common units under buyback programs									(81.1)	(30.8)
Cash contributions from owners									0.0	0.0	0.0
Other financing activities									(33.8)	(27.3)	(29.6)
Cash provided by (used in) financing activities									(3,894.6)	(3,264.3)	(2,541.2)
Net change in cash and cash equivalents, including restricted cash									0.1	0.0	0.0
Cash and cash equivalents, including restricted cash, at beginning of period				$ 0.0				$ 0.0	0.0	0.0	0.0
Cash and cash equivalents, including restricted cash, at end of period	$ 0.1				$ 0.0				$ 0.1	$ 0.0	$ 0.0

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Net of nonrefundable contributions recorded as contributions in aid of construction (CIAC) and are amortized as a reduction of the depreciation expense associated with the contributed asset.

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