Condensed Consolidating Financial Information, Balance Sheet (Details) - USD ($) $ in Millions	Jun. 30, 2019		Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents and restricted cash	$ 107.3			$ 410.1
Accounts receivable - trade, net	3,787.6			3,659.1
Accounts receivable - related parties	14.2			3.5
Inventories	1,586.1			1,522.1
Derivative assets	195.8			154.4
Prepaid and other current assets	567.9			311.5
Total current assets	6,258.9			6,060.7
Property, plant and equipment, net	40,089.1			38,737.6
Investments in unconsolidated affiliates	2,652.1			2,615.1
Intangible assets, net	3,532.6			3,608.4
Goodwill	5,745.2			5,745.2
Other assets	443.9			202.8
Total assets	58,721.8			56,969.8
Current liabilities:
Current maturities of debt	500.0	[1]		1,500.1
Accounts payable - trade	1,078.5			1,102.8
Accounts payable - related parties	73.6			140.2
Accrued product payables	3,614.9			3,475.8
Accrued interest	392.3			395.6
Derivative liabilities	128.4			148.2
Other current liabilities	476.4			404.8
Total current liabilities	6,264.1			7,167.5
Long-term debt	26,385.0			24,678.1
Deferred tax liabilities	84.6			80.4
Other long-term liabilities	1,012.7			751.6
Equity:
Partners' and other owners' equity	24,439.8			23,853.5
Noncontrolling interests	535.6			438.7
Total equity	24,975.4		$ 24,521.3	24,292.2	$ 23,090.5	$ 22,964.9	$ 22,772.4
Total liabilities and equity	58,721.8			56,969.8
Eliminations and Adjustments [Member]
Current assets:
Cash and cash equivalents and restricted cash	0.0			0.0
Accounts receivable - trade, net	0.0			0.0
Accounts receivable - related parties	(44.5)			(32.7)
Inventories	0.0			0.0
Derivative assets	0.0			0.0
Prepaid and other current assets	0.1			0.6
Total current assets	(44.4)			(32.1)
Property, plant and equipment, net	0.0			0.0
Investments in unconsolidated affiliates	(24,957.1)			(24,273.6)
Intangible assets, net	0.0			0.0
Goodwill	0.0			0.0
Other assets	0.0			0.0
Total assets	(25,001.5)			(24,305.7)
Current liabilities:
Current maturities of debt	0.0			0.0
Accounts payable - trade	0.0			0.0
Accounts payable - related parties	(44.5)			(32.6)
Accrued product payables	0.0			0.0
Accrued interest	0.0			0.0
Derivative liabilities	0.0			0.0
Other current liabilities	0.1			0.0
Total current liabilities	(44.4)			(32.6)
Long-term debt	0.0			0.0
Deferred tax liabilities	2.3			2.3
Other long-term liabilities	0.0			0.0
Equity:
Partners' and other owners' equity	(24,927.9)			(24,247.4)
Noncontrolling interests	(31.5)			(28.0)
Total equity	(24,959.4)			(24,275.4)
Total liabilities and equity	(25,001.5)			(24,305.7)
Subsidiary Issuer (EPO) [Member]
Current assets:
Cash and cash equivalents and restricted cash	24.6			393.4
Accounts receivable - trade, net	1,088.1			1,303.1
Accounts receivable - related parties	286.6			141.8
Inventories	1,004.3			889.3
Derivative assets	154.7			105.0
Prepaid and other current assets	275.4			166.0
Total current assets	2,833.7			2,998.6
Property, plant and equipment, net	6,269.9			6,112.7
Investments in unconsolidated affiliates	44,685.6			43,962.6
Intangible assets, net	648.4			659.2
Goodwill	459.5			459.5
Other assets	387.3			292.1
Total assets	55,284.4			54,484.7
Current liabilities:
Current maturities of debt	500.0			1,500.0
Accounts payable - trade	335.5			404.0
Accounts payable - related parties	1,013.4			1,557.3
Accrued product payables	1,369.1			1,574.7
Accrued interest	392.3			395.5
Derivative liabilities	106.6			86.2
Other current liabilities	127.5			87.9
Total current liabilities	3,844.4			5,605.6
Long-term debt	26,370.3			24,663.4
Deferred tax liabilities	17.1			17.0
Other long-term liabilities	145.7			65.2
Equity:
Partners' and other owners' equity	24,906.9			24,133.5
Noncontrolling interests	0.0			0.0
Total equity	24,906.9			24,133.5
Total liabilities and equity	55,284.4			54,484.7
Other Subsidiaries (Non-guarantor) [Member]
Current assets:
Cash and cash equivalents and restricted cash	89.7			50.3
Accounts receivable - trade, net	2,701.3			2,356.8
Accounts receivable - related parties	903.0			1,423.7
Inventories	582.1			633.2
Derivative assets	41.1			49.1
Prepaid and other current assets	323.3			155.1
Total current assets	4,640.5			4,668.2
Property, plant and equipment, net	33,865.6			32,628.7
Investments in unconsolidated affiliates	4,120.5			4,170.6
Intangible assets, net	2,897.7			2,963.0
Goodwill	5,285.7			5,285.7
Other assets	278.0			131.9
Total assets	51,088.0			49,848.1
Current liabilities:
Current maturities of debt	0.0			0.1
Accounts payable - trade	750.2			734.3
Accounts payable - related parties	205.1			127.5
Accrued product payables	2,247.9			1,902.3
Accrued interest	0.8			0.9
Derivative liabilities	21.8			61.7
Other current liabilities	378.9			326.3
Total current liabilities	3,604.7			3,153.1
Long-term debt	14.7			14.7
Deferred tax liabilities	66.2			62.0
Other long-term liabilities	614.5			518.4
Equity:
Partners' and other owners' equity	46,721.2			46,031.8
Noncontrolling interests	66.7			68.1
Total equity	46,787.9			46,099.9
Total liabilities and equity	51,088.0			49,848.1
Consolidated EPO and Subsidiaries [Member]
Current assets:
Cash and cash equivalents and restricted cash	107.1			410.1
Accounts receivable - trade, net	3,787.6			3,659.1
Accounts receivable - related parties	58.7			35.4
Inventories	1,586.1			1,522.1
Derivative assets	195.8			154.4
Prepaid and other current assets	567.3			310.9
Total current assets	6,302.6			6,092.0
Property, plant and equipment, net	40,089.1			38,737.6
Investments in unconsolidated affiliates	2,652.1			2,615.1
Intangible assets, net	3,532.6			3,608.4
Goodwill	5,745.2			5,745.2
Other assets	443.0			201.9
Total assets	58,764.6			57,000.2
Current liabilities:
Current maturities of debt	500.0			1,500.1
Accounts payable - trade	1,078.5			1,102.8
Accounts payable - related parties	73.6			140.9
Accrued product payables	3,614.9			3,475.8
Accrued interest	392.3			395.6
Derivative liabilities	128.4			148.2
Other current liabilities	476.3			404.8
Total current liabilities	6,264.0			7,168.2
Long-term debt	26,385.0			24,678.1
Deferred tax liabilities	82.3			78.1
Other long-term liabilities	538.3			361.7
Equity:
Partners' and other owners' equity	24,927.9			24,247.4
Noncontrolling interests	567.1			466.7
Total equity	25,495.0			24,714.1
Total liabilities and equity	58,764.6			57,000.2
Consolidated EPO and Subsidiaries [Member] | Eliminations and Adjustments [Member]
Current assets:
Cash and cash equivalents and restricted cash	(7.2)			(33.6)
Accounts receivable - trade, net	(1.8)			(0.8)
Accounts receivable - related parties	(1,130.9)			(1,530.1)
Inventories	(0.3)			(0.4)
Derivative assets	0.0			0.3
Prepaid and other current assets	(31.4)			(10.2)
Total current assets	(1,171.6)			(1,574.8)
Property, plant and equipment, net	(46.4)			(3.8)
Investments in unconsolidated affiliates	(46,154.0)			(45,518.1)
Intangible assets, net	(13.5)			(13.8)
Goodwill	0.0			0.0
Other assets	(222.3)			(222.1)
Total assets	(47,607.8)			(47,332.6)
Current liabilities:
Current maturities of debt	0.0			0.0
Accounts payable - trade	(7.2)			(35.5)
Accounts payable - related parties	(1,144.9)			(1,543.9)
Accrued product payables	(2.1)			(1.2)
Accrued interest	(0.8)			(0.8)
Derivative liabilities	0.0			0.3
Other current liabilities	(30.1)			(9.4)
Total current liabilities	(1,185.1)			(1,590.5)
Long-term debt	0.0			0.0
Deferred tax liabilities	(1.0)			(0.9)
Other long-term liabilities	(221.9)			(221.9)
Equity:
Partners' and other owners' equity	(46,700.2)			(45,917.9)
Noncontrolling interests	500.4			398.6
Total equity	(46,199.8)			(45,519.3)
Total liabilities and equity	(47,607.8)			(47,332.6)
Enterprise Products Partners L.P. (Guarantor) [Member]
Current assets:
Cash and cash equivalents and restricted cash	0.2			0.0
Accounts receivable - trade, net	0.0			0.0
Accounts receivable - related parties	0.0			0.8
Inventories	0.0			0.0
Derivative assets	0.0			0.0
Prepaid and other current assets	0.5			0.0
Total current assets	0.7			0.8
Property, plant and equipment, net	0.0			0.0
Investments in unconsolidated affiliates	24,957.1			24,273.6
Intangible assets, net	0.0			0.0
Goodwill	0.0			0.0
Other assets	0.9			0.9
Total assets	24,958.7			24,275.3
Current liabilities:
Current maturities of debt	0.0			0.0
Accounts payable - trade	0.0			0.0
Accounts payable - related parties	44.5			31.9
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	44.5			31.9
Long-term debt	0.0			0.0
Deferred tax liabilities	0.0			0.0
Other long-term liabilities	474.4			389.9
Equity:
Partners' and other owners' equity	24,439.8			23,853.5
Noncontrolling interests	0.0			0.0
Total equity	24,439.8			23,853.5
Total liabilities and equity	$ 24,958.7			$ 24,275.3

[1] In accordance with ASC 470, Debt, long-term and current maturities of debt reflect the classification of such obligations at June 30, 2019 after taking into consideration EPO's issuance of senior notes in July 2019.