Condensed Consolidating Financial Information, Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents and restricted cash	$ 410.1	$ 70.3	$ 417.6	$ 34.9
Accounts receivable - trade, net	3,659.1	4,358.4
Accounts receivable - related parties	3.5	1.8
Inventories	1,522.1	1,609.8
Derivative assets	154.4	153.4
Prepaid and other current assets	311.5	312.7
Total current assets	6,060.7	6,506.4
Property, plant and equipment, net	38,737.6	35,620.4	33,292.5
Investments in unconsolidated affiliates	2,615.1	2,659.4	2,677.3
Intangible assets, net	3,608.4	3,690.3	3,864.1
Goodwill	5,745.2	5,745.2	5,745.2
Other assets	202.8	196.4
Total assets	56,969.8	54,418.1
Current liabilities:
Current maturities of debt	1,500.1	2,855.0
Accounts payable - trade	1,102.8	801.7
Accounts payable - related parties	140.2	127.3
Accrued product payables	3,475.8	4,566.3
Accrued interest	395.6	358.0
Derivative liabilities	148.2	168.2
Other current liabilities	404.8	418.6
Total current liabilities	7,167.5	9,295.1
Long-term debt	24,678.1	21,713.7
Deferred tax liabilities	80.4	58.5
Other long-term liabilities	751.6	578.4
Commitments and contingencies
Equity:
Partners' and other owners' equity	23,853.5	22,547.2
Noncontrolling interests	438.7	225.2
Total equity	24,292.2	22,772.4	22,266.0	20,501.1
Total liabilities and equity	56,969.8	54,418.1
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	(32.7)	(1.3)
Inventories	0.0	0.0
Derivative assets	0.0	0.0
Prepaid and other current assets	0.6	0.0
Total current assets	(32.1)	(1.3)
Property, plant and equipment, net	0.0	0.0
Investments in unconsolidated affiliates	(24,273.6)	(22,881.5)
Intangible assets, net	0.0	0.0
Goodwill	0.0	0.0
Other assets	0.0	0.0
Total assets	(24,305.7)	(22,882.8)
Current liabilities:
Current maturities of debt	0.0	0.0
Accounts payable - trade	0.0	0.0
Accounts payable - related parties	(32.6)	(1.3)
Accrued product payables	0.0	0.0
Accrued interest	0.0	0.0
Derivative liabilities	0.0	0.0
Other current liabilities	0.0	0.4
Total current liabilities	(32.6)	(0.9)
Long-term debt	0.0	0.0
Deferred tax liabilities	2.3	2.1
Other long-term liabilities	0.0	0.0
Commitments and contingencies
Equity:
Partners' and other owners' equity	(24,247.4)	(22,853.1)
Noncontrolling interests	(28.0)	(30.9)
Total equity	(24,275.4)	(22,884.0)
Total liabilities and equity	(24,305.7)	(22,882.8)
Subsidiary Issuer (EPO) [Member]
Current assets:
Cash and cash equivalents and restricted cash	393.4	65.2	366.2	14.4
Accounts receivable - trade, net	1,303.1	1,382.3
Accounts receivable - related parties	141.8	110.3
Inventories	889.3	1,038.9
Derivative assets	105.0	110.0
Prepaid and other current assets	166.0	136.3
Total current assets	2,998.6	2,843.0
Property, plant and equipment, net	6,112.7	5,622.6
Investments in unconsolidated affiliates	43,962.6	41,616.6
Intangible assets, net	659.2	675.5
Goodwill	459.5	459.5
Other assets	292.1	296.4
Total assets	54,484.7	51,513.6
Current liabilities:
Current maturities of debt	1,500.0	2,854.6
Accounts payable - trade	404.0	290.2
Accounts payable - related parties	1,557.3	1,320.3
Accrued product payables	1,574.7	1,825.9
Accrued interest	395.5	358.0
Derivative liabilities	86.2	115.2
Other current liabilities	87.9	108.9
Total current liabilities	5,605.6	6,873.1
Long-term debt	24,663.4	21,699.0
Deferred tax liabilities	17.0	6.7
Other long-term liabilities	65.2	60.4
Commitments and contingencies
Equity:
Partners' and other owners' equity	24,133.5	22,874.4
Noncontrolling interests	0.0	0.0
Total equity	24,133.5	22,874.4
Total liabilities and equity	54,484.7	51,513.6
Other Subsidiaries (Non-guarantor) [Member]
Current assets:
Cash and cash equivalents and restricted cash	50.3	31.5	58.9	71.1
Accounts receivable - trade, net	2,356.8	2,976.6
Accounts receivable - related parties	1,423.7	1,182.1
Inventories	633.2	572.3
Derivative assets	49.1	43.4
Prepaid and other current assets	155.1	189.0
Total current assets	4,668.2	4,994.9
Property, plant and equipment, net	32,628.7	29,996.3
Investments in unconsolidated affiliates	4,170.6	4,298.0
Intangible assets, net	2,963.0	3,028.6
Goodwill	5,285.7	5,285.7
Other assets	131.9	110.0
Total assets	49,848.1	47,713.5
Current liabilities:
Current maturities of debt	0.1	0.4
Accounts payable - trade	734.3	537.8
Accounts payable - related parties	127.5	112.0
Accrued product payables	1,902.3	2,741.7
Accrued interest	0.9	0.0
Derivative liabilities	61.7	53.0
Other current liabilities	326.3	320.1
Total current liabilities	3,153.1	3,765.0
Long-term debt	14.7	14.7
Deferred tax liabilities	62.0	50.2
Other long-term liabilities	518.4	396.5
Commitments and contingencies
Equity:
Partners' and other owners' equity	46,031.8	43,412.0
Noncontrolling interests	68.1	75.1
Total equity	46,099.9	43,487.1
Total liabilities and equity	49,848.1	47,713.5
Consolidated EPO and Subsidiaries [Member]
Current assets:
Cash and cash equivalents and restricted cash	410.1	70.3	417.6	34.9
Accounts receivable - trade, net	3,659.1	4,358.4
Accounts receivable - related parties	35.4	3.1
Inventories	1,522.1	1,609.8
Derivative assets	154.4	153.4
Prepaid and other current assets	310.9	312.7
Total current assets	6,092.0	6,507.7
Property, plant and equipment, net	38,737.6	35,620.4
Investments in unconsolidated affiliates	2,615.1	2,659.4
Intangible assets, net	3,608.4	3,690.3
Goodwill	5,745.2	5,745.2
Other assets	201.9	195.4
Total assets	57,000.2	54,418.4
Current liabilities:
Current maturities of debt	1,500.1	2,855.0
Accounts payable - trade	1,102.8	801.6
Accounts payable - related parties	140.9	127.3
Accrued product payables	3,475.8	4,566.3
Accrued interest	395.6	358.0
Derivative liabilities	148.2	168.2
Other current liabilities	404.8	418.2
Total current liabilities	7,168.2	9,294.6
Long-term debt	24,678.1	21,713.7
Deferred tax liabilities	78.1	56.4
Other long-term liabilities	361.7	244.5
Commitments and contingencies
Equity:
Partners' and other owners' equity	24,247.4	22,853.1
Noncontrolling interests	466.7	256.1
Total equity	24,714.1	23,109.2
Total liabilities and equity	57,000.2	54,418.4
Consolidated EPO and Subsidiaries [Member] | Eliminations and Adjustments [Member]
Current assets:
Cash and cash equivalents and restricted cash	(33.6)	(26.4)	(7.5)	(50.6)
Accounts receivable - trade, net	(0.8)	(0.5)
Accounts receivable - related parties	(1,530.1)	(1,289.3)
Inventories	(0.4)	(1.4)
Derivative assets	0.3	0.0
Prepaid and other current assets	(10.2)	(12.6)
Total current assets	(1,574.8)	(1,330.2)
Property, plant and equipment, net	(3.8)	1.5
Investments in unconsolidated affiliates	(45,518.1)	(43,255.2)
Intangible assets, net	(13.8)	(13.8)
Goodwill	0.0	0.0
Other assets	(222.1)	(211.0)
Total assets	(47,332.6)	(44,808.7)
Current liabilities:
Current maturities of debt	0.0	0.0
Accounts payable - trade	(35.5)	(26.4)
Accounts payable - related parties	(1,543.9)	(1,305.0)
Accrued product payables	(1.2)	(1.3)
Accrued interest	(0.8)	0.0
Derivative liabilities	0.3	0.0
Other current liabilities	(9.4)	(10.8)
Total current liabilities	(1,590.5)	(1,343.5)
Long-term debt	0.0	0.0
Deferred tax liabilities	(0.9)	(0.5)
Other long-term liabilities	(221.9)	(212.4)
Commitments and contingencies
Equity:
Partners' and other owners' equity	(45,917.9)	(43,433.3)
Noncontrolling interests	398.6	181.0
Total equity	(45,519.3)	(43,252.3)
Total liabilities and equity	(47,332.6)	(44,808.7)
Enterprise Products Partners L.P. (Guarantor) [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	0.8	0.0
Inventories	0.0	0.0
Derivative assets	0.0	0.0
Prepaid and other current assets	0.0	0.0
Total current assets	0.8	0.0
Property, plant and equipment, net	0.0	0.0
Investments in unconsolidated affiliates	24,273.6	22,881.5
Intangible assets, net	0.0	0.0
Goodwill	0.0	0.0
Other assets	0.9	1.0
Total assets	24,275.3	22,882.5
Current liabilities:
Current maturities of debt	0.0	0.0
Accounts payable - trade	0.0	0.1
Accounts payable - related parties	31.9	1.3
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	31.9	1.4
Long-term debt	0.0	0.0
Deferred tax liabilities	0.0	0.0
Other long-term liabilities	389.9	333.9
Commitments and contingencies
Equity:
Partners' and other owners' equity	23,853.5	22,547.2
Noncontrolling interests	0.0	0.0
Total equity	23,853.5	22,547.2
Total liabilities and equity	$ 24,275.3	$ 22,882.5