Condensed Consolidating Financial Information, Balance Sheet (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents and restricted cash	$ 107.5	$ 410.1
Accounts receivable - trade, net	4,290.7	3,659.1
Accounts receivable - related parties	2.5	3.5
Inventories	1,680.5	1,522.1
Derivative assets	126.1	154.4
Prepaid and other current assets	421.3	311.5
Total current assets	6,628.6	6,060.7
Property, plant and equipment, net	39,347.5	38,737.6
Investments in unconsolidated affiliates	2,654.3	2,615.1
Intangible assets, net	3,565.9	3,608.4
Goodwill	5,745.2	5,745.2
Other assets	456.0	202.8
Total assets	58,397.5	56,969.8
Current liabilities:
Current maturities of debt	2,694.6	1,500.1
Accounts payable - trade	918.1	1,102.8
Accounts payable - related parties	86.6	140.2
Accrued product payables	4,196.7	3,475.8
Accrued interest	216.9	395.6
Derivative liabilities	94.9	148.2
Other current liabilities	384.9	404.8
Total current liabilities	8,592.7	7,167.5
Long-term debt	24,181.6	24,678.1
Deferred tax liabilities	82.2	80.4
Other long-term liabilities	1,019.7	751.6
Commitments and contingencies
Equity:
Partners' and other owners' equity	24,057.9	23,853.5
Noncontrolling interests	463.4	438.7
Total equity	24,521.3	24,292.2	$ 22,964.9	$ 22,772.4
Total liabilities and equity	58,397.5	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	(81.9)	(32.7)
Inventories	0.0	0.0
Derivative assets	0.0	0.0
Prepaid and other current assets	0.3	0.6
Total current assets	(81.6)	(32.1)
Property, plant and equipment, net	0.0	0.0
Investments in unconsolidated affiliates	(24,586.3)	(24,273.6)
Intangible assets, net	0.0	0.0
Goodwill	0.0	0.0
Other assets	0.0	0.0
Total assets	(24,667.9)	(24,305.7)
Current liabilities:
Current maturities of debt	0.0	0.0
Accounts payable - trade	0.0	0.0
Accounts payable - related parties	(81.9)	(32.6)
Accrued product payables	0.0	0.0
Accrued interest	0.0	0.0
Derivative liabilities	0.0	0.0
Other current liabilities	0.0	0.0
Total current liabilities	(81.9)	(32.6)
Long-term debt	0.0	0.0
Deferred tax liabilities	2.3	2.3
Other long-term liabilities	0.0	0.0
Commitments and contingencies
Equity:
Partners' and other owners' equity	(24,558.9)	(24,247.4)
Noncontrolling interests	(29.4)	(28.0)
Total equity	(24,588.3)	(24,275.4)
Total liabilities and equity	(24,667.9)	(24,305.7)
Subsidiary Issuer (EPO) [Member]
Current assets:
Cash and cash equivalents and restricted cash	33.0	393.4
Accounts receivable - trade, net	1,230.1	1,303.1
Accounts receivable - related parties	232.1	141.8
Inventories	1,088.2	889.3
Derivative assets	73.1	105.0
Prepaid and other current assets	206.9	166.0
Total current assets	2,863.4	2,998.6
Property, plant and equipment, net	6,192.5	6,112.7
Investments in unconsolidated affiliates	44,422.5	43,962.6
Intangible assets, net	654.3	659.2
Goodwill	459.5	459.5
Other assets	389.4	292.1
Total assets	54,981.6	54,484.7
Current liabilities:
Current maturities of debt	2,694.6	1,500.0
Accounts payable - trade	269.4	404.0
Accounts payable - related parties	1,073.6	1,557.3
Accrued product payables	1,673.8	1,574.7
Accrued interest	216.9	395.5
Derivative liabilities	66.7	86.2
Other current liabilities	93.0	87.9
Total current liabilities	6,088.0	5,605.6
Long-term debt	24,166.9	24,663.4
Deferred tax liabilities	16.1	17.0
Other long-term liabilities	144.2	65.2
Commitments and contingencies
Equity:
Partners' and other owners' equity	24,566.4	24,133.5
Noncontrolling interests	0.0	0.0
Total equity	24,566.4	24,133.5
Total liabilities and equity	54,981.6	54,484.7
Other Subsidiaries (Non-guarantor) [Member]
Current assets:
Cash and cash equivalents and restricted cash	89.5	50.3
Accounts receivable - trade, net	3,063.0	2,356.8
Accounts receivable - related parties	1,006.1	1,423.7
Inventories	592.8	633.2
Derivative assets	53.0	49.1
Prepaid and other current assets	238.6	155.1
Total current assets	5,043.0	4,668.2
Property, plant and equipment, net	33,161.1	32,628.7
Investments in unconsolidated affiliates	4,234.1	4,170.6
Intangible assets, net	2,925.2	2,963.0
Goodwill	5,285.7	5,285.7
Other assets	287.8	131.9
Total assets	50,936.9	49,848.1
Current liabilities:
Current maturities of debt	0.0	0.1
Accounts payable - trade	663.6	734.3
Accounts payable - related parties	180.2	127.5
Accrued product payables	2,525.8	1,902.3
Accrued interest	3.1	0.9
Derivative liabilities	28.2	61.7
Other current liabilities	313.8	326.3
Total current liabilities	3,714.7	3,153.1
Long-term debt	14.7	14.7
Deferred tax liabilities	64.6	62.0
Other long-term liabilities	649.6	518.4
Commitments and contingencies
Equity:
Partners' and other owners' equity	46,425.8	46,031.8
Noncontrolling interests	67.5	68.1
Total equity	46,493.3	46,099.9
Total liabilities and equity	50,936.9	49,848.1
Consolidated EPO and Subsidiaries [Member]
Current assets:
Cash and cash equivalents and restricted cash	107.5	410.1
Accounts receivable - trade, net	4,290.7	3,659.1
Accounts receivable - related parties	84.4	35.4
Inventories	1,680.5	1,522.1
Derivative assets	126.1	154.4
Prepaid and other current assets	420.6	310.9
Total current assets	6,709.8	6,092.0
Property, plant and equipment, net	39,347.5	38,737.6
Investments in unconsolidated affiliates	2,654.3	2,615.1
Intangible assets, net	3,565.9	3,608.4
Goodwill	5,745.2	5,745.2
Other assets	455.0	201.9
Total assets	58,477.7	57,000.2
Current liabilities:
Current maturities of debt	2,694.6	1,500.1
Accounts payable - trade	918.0	1,102.8
Accounts payable - related parties	86.6	140.9
Accrued product payables	4,196.7	3,475.8
Accrued interest	216.9	395.6
Derivative liabilities	94.9	148.2
Other current liabilities	384.9	404.8
Total current liabilities	8,592.6	7,168.2
Long-term debt	24,181.6	24,678.1
Deferred tax liabilities	79.9	78.1
Other long-term liabilities	571.9	361.7
Commitments and contingencies
Equity:
Partners' and other owners' equity	24,558.9	24,247.4
Noncontrolling interests	492.8	466.7
Total equity	25,051.7	24,714.1
Total liabilities and equity	58,477.7	57,000.2
Consolidated EPO and Subsidiaries [Member] | Eliminations and Adjustments [Member]
Current assets:
Cash and cash equivalents and restricted cash	(15.0)	(33.6)
Accounts receivable - trade, net	(2.4)	(0.8)
Accounts receivable - related parties	(1,153.8)	(1,530.1)
Inventories	(0.5)	(0.4)
Derivative assets	0.0	0.3
Prepaid and other current assets	(24.9)	(10.2)
Total current assets	(1,196.6)	(1,574.8)
Property, plant and equipment, net	(6.1)	(3.8)
Investments in unconsolidated affiliates	(46,002.3)	(45,518.1)
Intangible assets, net	(13.6)	(13.8)
Goodwill	0.0	0.0
Other assets	(222.2)	(222.1)
Total assets	(47,440.8)	(47,332.6)
Current liabilities:
Current maturities of debt	0.0	0.0
Accounts payable - trade	(15.0)	(35.5)
Accounts payable - related parties	(1,167.2)	(1,543.9)
Accrued product payables	(2.9)	(1.2)
Accrued interest	(3.1)	(0.8)
Derivative liabilities	0.0	0.3
Other current liabilities	(21.9)	(9.4)
Total current liabilities	(1,210.1)	(1,590.5)
Long-term debt	0.0	0.0
Deferred tax liabilities	(0.8)	(0.9)
Other long-term liabilities	(221.9)	(221.9)
Commitments and contingencies
Equity:
Partners' and other owners' equity	(46,433.3)	(45,917.9)
Noncontrolling interests	425.3	398.6
Total equity	(46,008.0)	(45,519.3)
Total liabilities and equity	(47,440.8)	(47,332.6)
Enterprise Products Partners L.P. (Guarantor) [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	0.0	0.8
Inventories	0.0	0.0
Derivative assets	0.0	0.0
Prepaid and other current assets	0.4	0.0
Total current assets	0.4	0.8
Property, plant and equipment, net	0.0	0.0
Investments in unconsolidated affiliates	24,586.3	24,273.6
Intangible assets, net	0.0	0.0
Goodwill	0.0	0.0
Other assets	1.0	0.9
Total assets	24,587.7	24,275.3
Current liabilities:
Current maturities of debt	0.0	0.0
Accounts payable - trade	0.1	0.0
Accounts payable - related parties	81.9	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	82.0	31.9
Long-term debt	0.0	0.0
Deferred tax liabilities	0.0	0.0
Other long-term liabilities	447.8	389.9
Commitments and contingencies
Equity:
Partners' and other owners' equity	24,057.9	23,853.5
Noncontrolling interests	0.0	0.0
Total equity	24,057.9	23,853.5
Total liabilities and equity	$ 24,587.7	$ 24,275.3