Condensed Consolidating Financial Information, Balance Sheet (Details) - USD ($) $ in Millions	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents and restricted cash	$ 1,131.1		$ 410.0	$ 1,207.8		$ 410.1
Accounts receivable - trade, net	3,776.2		4,873.6
Accounts receivable - related parties	4.1		2.5
Inventories	3,192.6		2,091.4
Derivative assets	132.9		127.2
Prepaid and other current assets	556.4		358.2
Total current assets	8,793.3		7,862.9
Property, plant and equipment, net	42,360.1		41,603.4
Investments in unconsolidated affiliates	2,485.4		2,600.2
Intangible assets, net	3,348.6		3,449.0
Goodwill	5,745.2		5,745.2
Other assets	1,003.6		472.5
Total assets	63,736.2		61,733.2
Current liabilities:
Current maturities of debt	1,325.0		1,981.9
Accounts payable - trade	896.0		1,004.5
Accounts payable - related parties	121.3		162.3
Accrued product payables	4,317.1		4,915.7
Accrued interest	235.1		431.7
Derivative liabilities	329.7		122.4
Other current liabilities	622.7		511.2
Total current liabilities	7,846.9		9,129.7
Long-term debt	28,537.0		25,643.2
Deferred tax liabilities	463.3		100.4
Other long-term liabilities	735.2		1,032.4
Commitments and contingent liabilities
Redeemable preferred limited partner interests	49.1
Equity:
Partners' and other owners' equity	25,035.3		24,764.0
Noncontrolling interests in consolidated subsidiaries	1,069.4		1,063.5
Total equity	26,104.7	$ 25,941.4	25,827.5	25,525.5	$ 24,975.4	24,292.2
Total liabilities, preferred units, and equity	63,736.2		61,733.2
Eliminations and Adjustments [Member]
Current assets:
Cash and cash equivalents and restricted cash	0.0		0.0	0.0		0.0
Accounts receivable - trade, net	0.0		0.0
Accounts receivable - related parties	(8.7)		(6.9)
Inventories	0.0		0.0
Derivative assets	0.0		0.0
Prepaid and other current assets	0.6		0.0
Total current assets	(8.1)		(6.9)
Property, plant and equipment, net	0.0		0.0
Investments in unconsolidated affiliates	(25,092.9)		(25,279.3)
Intangible assets, net	0.0		0.0
Goodwill	0.0		0.0
Other assets	0.0		0.0
Total assets	(25,101.0)		(25,286.2)
Current liabilities:
Current maturities of debt	0.0		0.0
Accounts payable - trade	0.0		0.0
Accounts payable - related parties	(8.7)		(6.9)
Accrued product payables	0.0		0.0
Accrued interest	0.0		0.0
Derivative liabilities	0.0		0.0
Other current liabilities	0.0		(0.2)
Total current liabilities	(8.7)		(7.1)
Long-term debt	0.0		0.0
Deferred tax liabilities	4.1		3.4
Other long-term liabilities	0.0		0.0
Commitments and contingent liabilities
Redeemable preferred limited partner interests	(0.1)
Equity:
Partners' and other owners' equity	(25,057.5)		(25,247.1)
Noncontrolling interests in consolidated subsidiaries	(38.8)		(35.4)
Total equity	(25,096.3)		(25,282.5)
Total liabilities, preferred units, and equity	(25,101.0)		(25,286.2)
Subsidiary Issuer (EPO) [Member]
Current assets:
Cash and cash equivalents and restricted cash	863.2		109.2	1,004.2		393.4
Accounts receivable - trade, net	1,155.1		1,471.1
Accounts receivable - related parties	145.8		233.1
Inventories	2,447.6		1,351.3
Derivative assets	101.6		115.2
Prepaid and other current assets	269.8		221.0
Total current assets	4,983.1		3,500.9
Property, plant and equipment, net	6,685.4		6,413.3
Investments in unconsolidated affiliates	46,284.9		45,514.0
Intangible assets, net	624.3		636.7
Goodwill	459.5		459.5
Other assets	907.0		404.9
Total assets	59,944.2		56,929.3
Current liabilities:
Current maturities of debt	1,325.0		1,981.9
Accounts payable - trade	288.3		301.4
Accounts payable - related parties	891.1		977.5
Accrued product payables	1,879.1		1,895.4
Accrued interest	235.0		431.6
Derivative liabilities	329.3		114.2
Other current liabilities	201.8		120.5
Total current liabilities	5,149.6		5,822.5
Long-term debt	28,522.4		25,628.6
Deferred tax liabilities	25.5		22.2
Other long-term liabilities	370.0		161.2
Commitments and contingent liabilities
Redeemable preferred limited partner interests	0.0
Equity:
Partners' and other owners' equity	25,876.7		25,294.8
Noncontrolling interests in consolidated subsidiaries	0.0		0.0
Total equity	25,876.7		25,294.8
Total liabilities, preferred units, and equity	59,944.2		56,929.3
Other Subsidiaries (Non-guarantor) [Member]
Current assets:
Cash and cash equivalents and restricted cash	292.5		315.8	235.7		50.3
Accounts receivable - trade, net	2,621.9		3,403.8
Accounts receivable - related parties	782.0		799.9
Inventories	745.3		740.4
Derivative assets	31.3		12.0
Prepaid and other current assets	445.5		183.5
Total current assets	4,918.5		5,455.4
Property, plant and equipment, net	35,715.0		35,233.6
Investments in unconsolidated affiliates	4,840.8		4,165.7
Intangible assets, net	2,741.0		2,852.3
Goodwill	5,285.7		5,285.7
Other assets	335.0		288.5
Total assets	53,836.0		53,281.2
Current liabilities:
Current maturities of debt	0.0		0.0
Accounts payable - trade	631.4		717.7
Accounts payable - related parties	158.1		222.3
Accrued product payables	2,439.0		3,021.9
Accrued interest	3.2		0.9
Derivative liabilities	0.4		8.2
Other current liabilities	579.1		438.2
Total current liabilities	3,811.2		4,409.2
Long-term debt	14.6		14.6
Deferred tax liabilities	434.2		75.6
Other long-term liabilities	607.3		608.9
Commitments and contingent liabilities
Redeemable preferred limited partner interests	0.0
Equity:
Partners' and other owners' equity	48,905.3		48,107.6
Noncontrolling interests in consolidated subsidiaries	63.4		65.3
Total equity	48,968.7		48,172.9
Total liabilities, preferred units, and equity	53,836.0		53,281.2
Consolidated EPO and Subsidiaries [Member]
Current assets:
Cash and cash equivalents and restricted cash	1,131.0		409.9	1,207.8		410.1
Accounts receivable - trade, net	3,776.2		4,873.6
Accounts receivable - related parties	12.8		9.4
Inventories	3,192.6		2,091.4
Derivative assets	132.9		127.2
Prepaid and other current assets	555.6		358.2
Total current assets	8,801.1		7,869.7
Property, plant and equipment, net	42,360.1		41,603.4
Investments in unconsolidated affiliates	2,485.4		2,600.2
Intangible assets, net	3,348.6		3,449.0
Goodwill	5,745.2		5,745.2
Other assets	1,002.6		471.5
Total assets	63,743.0		61,739.0
Current liabilities:
Current maturities of debt	1,325.0		1,981.9
Accounts payable - trade	895.0		1,004.5
Accounts payable - related parties	121.3		162.3
Accrued product payables	4,317.1		4,915.7
Accrued interest	235.1		431.7
Derivative liabilities	329.7		122.4
Other current liabilities	622.7		511.4
Total current liabilities	7,845.9		9,129.9
Long-term debt	28,537.0		25,643.2
Deferred tax liabilities	459.2		97.0
Other long-term liabilities	735.2		522.9
Commitments and contingent liabilities
Redeemable preferred limited partner interests	0.0
Equity:
Partners' and other owners' equity	25,057.5		25,247.1
Noncontrolling interests in consolidated subsidiaries	1,108.2		1,098.9
Total equity	26,165.7		26,346.0
Total liabilities, preferred units, and equity	63,743.0		61,739.0
Consolidated EPO and Subsidiaries [Member] | Eliminations and Adjustments [Member]
Current assets:
Cash and cash equivalents and restricted cash	(24.7)		(15.1)	(32.1)		(33.6)
Accounts receivable - trade, net	(0.8)		(1.3)
Accounts receivable - related parties	(915.0)		(1,023.6)
Inventories	(0.3)		(0.3)
Derivative assets	0.0		0.0
Prepaid and other current assets	(159.7)		(46.3)
Total current assets	(1,100.5)		(1,086.6)
Property, plant and equipment, net	(40.3)		(43.5)
Investments in unconsolidated affiliates	(48,640.3)		(47,079.5)
Intangible assets, net	(16.7)		(40.0)
Goodwill	0.0		0.0
Other assets	(239.4)		(221.9)
Total assets	(50,037.2)		(48,471.5)
Current liabilities:
Current maturities of debt	0.0		0.0
Accounts payable - trade	(24.7)		(14.6)
Accounts payable - related parties	(927.9)		(1,037.5)
Accrued product payables	(1.0)		(1.6)
Accrued interest	(3.1)		(0.8)
Derivative liabilities	0.0		0.0
Other current liabilities	(158.2)		(47.3)
Total current liabilities	(1,114.9)		(1,101.8)
Long-term debt	0.0		0.0
Deferred tax liabilities	(0.5)		(0.8)
Other long-term liabilities	(242.1)		(247.2)
Commitments and contingent liabilities
Redeemable preferred limited partner interests	0.0
Equity:
Partners' and other owners' equity	(49,724.5)		(48,155.3)
Noncontrolling interests in consolidated subsidiaries	1,044.8		1,033.6
Total equity	(48,679.7)		(47,121.7)
Total liabilities, preferred units, and equity	(50,037.2)		(48,471.5)
Enterprise Products Partners L.P. (Guarantor) [Member]
Current assets:
Cash and cash equivalents and restricted cash	0.1		0.1	$ 0.0		$ 0.0
Accounts receivable - trade, net	0.0		0.0
Accounts receivable - related parties	0.0		0.0
Inventories	0.0		0.0
Derivative assets	0.0		0.0
Prepaid and other current assets	0.2		0.0
Total current assets	0.3		0.1
Property, plant and equipment, net	0.0		0.0
Investments in unconsolidated affiliates	25,092.9		25,279.3
Intangible assets, net	0.0		0.0
Goodwill	0.0		0.0
Other assets	1.0		1.0
Total assets	25,094.2		25,280.4
Current liabilities:
Current maturities of debt	0.0		0.0
Accounts payable - trade	1.0		0.0
Accounts payable - related parties	8.7		6.9
Accrued product payables	0.0		0.0
Accrued interest	0.0		0.0
Derivative liabilities	0.0		0.0
Other current liabilities	0.0		0.0
Total current liabilities	9.7		6.9
Long-term debt	0.0		0.0
Deferred tax liabilities	0.0		0.0
Other long-term liabilities	0.0		509.5
Commitments and contingent liabilities
Redeemable preferred limited partner interests	49.2
Equity:
Partners' and other owners' equity	25,035.3		24,764.0
Noncontrolling interests in consolidated subsidiaries	0.0		0.0
Total equity	25,035.3		24,764.0
Total liabilities, preferred units, and equity	$ 25,094.2		$ 25,280.4