Condensed Consolidating Financial Information, Balance Sheet (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents and restricted cash	$ 215.6	$ 70.3
Accounts receivable - trade, net	4,439.9	4,358.4
Accounts receivable - related parties	3.6	1.8
Inventories	1,699.9	1,609.8
Derivative assets	78.7	153.4
Prepaid and other current assets	353.3	312.7
Total current assets	6,791.0	6,506.4
Property, plant and equipment, net	36,416.3	35,620.4
Investments in unconsolidated affiliates	2,583.4	2,659.4
Intangible assets, net	3,736.4	3,690.3
Goodwill	5,745.2	5,745.2
Other assets	210.0	196.4
Total assets	55,482.3	54,418.1
Current liabilities:
Current maturities of debt	2,376.8	2,855.0
Accounts payable - trade	730.6	801.7
Accounts payable - related parties	83.0	127.3
Accrued product payables	4,942.8	4,566.3
Accrued interest	210.8	358.0
Derivative liabilities	160.9	168.2
Other current liabilities	334.7	418.6
Total current liabilities	8,839.6	9,295.1
Long-term debt	23,016.4	21,713.7
Deferred tax liabilities	58.0	58.5
Other long-term liabilities	603.4	578.4
Commitments and contingencies
Equity:
Partners' and other owners' equity	22,753.3	22,547.2
Noncontrolling interests	211.6	225.2
Total equity	22,964.9	22,772.4	$ 22,800.0	$ 22,266.0
Total liabilities and equity	55,482.3	54,418.1
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	(12.7)	(1.3)
Inventories	0.0	0.0
Derivative assets	0.0	0.0
Prepaid and other current assets	0.0	0.0
Total current assets	(12.7)	(1.3)
Property, plant and equipment, net	0.0	0.0
Investments in unconsolidated affiliates	(23,080.3)	(22,881.5)
Intangible assets, net	0.0	0.0
Goodwill	0.0	0.0
Other assets	0.0	0.0
Total assets	(23,093.0)	(22,882.8)
Current liabilities:
Current maturities of debt	0.0	0.0
Accounts payable - trade	0.0	0.0
Accounts payable - related parties	(12.8)	(1.3)
Accrued product payables	0.0	0.0
Accrued interest	0.0	0.0
Derivative liabilities	0.0	0.0
Other current liabilities	(0.2)	0.4
Total current liabilities	(13.0)	(0.9)
Long-term debt	0.0	0.0
Deferred tax liabilities	2.2	2.1
Other long-term liabilities	0.0	0.0
Commitments and contingencies
Equity:
Partners' and other owners' equity	(23,051.0)	(22,853.1)
Noncontrolling interests	(31.2)	(30.9)
Total equity	(23,082.2)	(22,884.0)
Total liabilities and equity	(23,093.0)	(22,882.8)
Subsidiary Issuer (EPO) [Member]
Current assets:
Cash and cash equivalents and restricted cash	187.2	65.2
Accounts receivable - trade, net	1,230.9	1,382.3
Accounts receivable - related parties	218.9	110.3
Inventories	1,085.3	1,038.9
Derivative assets	66.4	110.0
Prepaid and other current assets	143.8	136.3
Total current assets	2,932.5	2,843.0
Property, plant and equipment, net	5,872.0	5,622.6
Investments in unconsolidated affiliates	41,931.6	41,616.6
Intangible assets, net	671.0	675.5
Goodwill	459.5	459.5
Other assets	293.3	296.4
Total assets	52,159.9	51,513.6
Current liabilities:
Current maturities of debt	2,376.4	2,854.6
Accounts payable - trade	245.9	290.2
Accounts payable - related parties	1,218.5	1,320.3
Accrued product payables	1,844.2	1,825.9
Accrued interest	210.7	358.0
Derivative liabilities	65.0	115.2
Other current liabilities	56.0	108.9
Total current liabilities	6,016.7	6,873.1
Long-term debt	23,001.7	21,699.0
Deferred tax liabilities	8.3	6.7
Other long-term liabilities	58.7	60.4
Commitments and contingencies
Equity:
Partners' and other owners' equity	23,074.5	22,874.4
Noncontrolling interests	0.0	0.0
Total equity	23,074.5	22,874.4
Total liabilities and equity	52,159.9	51,513.6
Other Subsidiaries (Non-guarantor) [Member]
Current assets:
Cash and cash equivalents and restricted cash	28.8	31.5
Accounts receivable - trade, net	3,209.0	2,976.6
Accounts receivable - related parties	1,122.7	1,182.1
Inventories	616.1	572.3
Derivative assets	12.3	43.4
Prepaid and other current assets	230.8	189.0
Total current assets	5,219.7	4,994.9
Property, plant and equipment, net	30,542.8	29,996.3
Investments in unconsolidated affiliates	4,040.5	4,298.0
Intangible assets, net	3,079.1	3,028.6
Goodwill	5,285.7	5,285.7
Other assets	137.9	110.0
Total assets	48,305.7	47,713.5
Current liabilities:
Current maturities of debt	0.4	0.4
Accounts payable - trade	485.1	537.8
Accounts payable - related parties	229.1	112.0
Accrued product payables	3,100.1	2,741.7
Accrued interest	3.0	0.0
Derivative liabilities	95.9	53.0
Other current liabilities	296.0	320.1
Total current liabilities	4,209.6	3,765.0
Long-term debt	14.7	14.7
Deferred tax liabilities	48.4	50.2
Other long-term liabilities	426.2	396.5
Commitments and contingencies
Equity:
Partners' and other owners' equity	43,532.2	43,412.0
Noncontrolling interests	74.6	75.1
Total equity	43,606.8	43,487.1
Total liabilities and equity	48,305.7	47,713.5
Consolidated EPO and Subsidiaries [Member]
Current assets:
Cash and cash equivalents and restricted cash	215.6	70.3
Accounts receivable - trade, net	4,439.9	4,358.4
Accounts receivable - related parties	3.6	3.1
Inventories	1,699.9	1,609.8
Derivative assets	78.7	153.4
Prepaid and other current assets	352.5	312.7
Total current assets	6,790.2	6,507.7
Property, plant and equipment, net	36,416.3	35,620.4
Investments in unconsolidated affiliates	2,583.4	2,659.4
Intangible assets, net	3,736.4	3,690.3
Goodwill	5,745.2	5,745.2
Other assets	209.1	195.4
Total assets	55,480.6	54,418.4
Current liabilities:
Current maturities of debt	2,376.8	2,855.0
Accounts payable - trade	730.6	801.6
Accounts payable - related parties	95.8	127.3
Accrued product payables	4,942.8	4,566.3
Accrued interest	210.8	358.0
Derivative liabilities	160.9	168.2
Other current liabilities	334.9	418.2
Total current liabilities	8,852.6	9,294.6
Long-term debt	23,016.4	21,713.7
Deferred tax liabilities	55.8	56.4
Other long-term liabilities	262.0	244.5
Commitments and contingencies
Equity:
Partners' and other owners' equity	23,051.0	22,853.1
Noncontrolling interests	242.8	256.1
Total equity	23,293.8	23,109.2
Total liabilities and equity	55,480.6	54,418.4
Consolidated EPO and Subsidiaries [Member] | Eliminations and Adjustments [Member]
Current assets:
Cash and cash equivalents and restricted cash	(0.4)	(26.4)
Accounts receivable - trade, net	0.0	(0.5)
Accounts receivable - related parties	(1,338.0)	(1,289.3)
Inventories	(1.5)	(1.4)
Derivative assets	0.0	0.0
Prepaid and other current assets	(22.1)	(12.6)
Total current assets	(1,362.0)	(1,330.2)
Property, plant and equipment, net	1.5	1.5
Investments in unconsolidated affiliates	(43,388.7)	(43,255.2)
Intangible assets, net	(13.7)	(13.8)
Goodwill	0.0	0.0
Other assets	(222.1)	(211.0)
Total assets	(44,985.0)	(44,808.7)
Current liabilities:
Current maturities of debt	0.0	0.0
Accounts payable - trade	(0.4)	(26.4)
Accounts payable - related parties	(1,351.8)	(1,305.0)
Accrued product payables	(1.5)	(1.3)
Accrued interest	(2.9)	0.0
Derivative liabilities	0.0	0.0
Other current liabilities	(17.1)	(10.8)
Total current liabilities	(1,373.7)	(1,343.5)
Long-term debt	0.0	0.0
Deferred tax liabilities	(0.9)	(0.5)
Other long-term liabilities	(222.9)	(212.4)
Commitments and contingencies
Equity:
Partners' and other owners' equity	(43,555.7)	(43,433.3)
Noncontrolling interests	168.2	181.0
Total equity	(43,387.5)	(43,252.3)
Total liabilities and equity	(44,985.0)	(44,808.7)
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	12.7	0.0
Inventories	0.0	0.0
Derivative assets	0.0	0.0
Prepaid and other current assets	0.8	0.0
Total current assets	13.5	0.0
Property, plant and equipment, net	0.0	0.0
Investments in unconsolidated affiliates	23,080.3	22,881.5
Intangible assets, net	0.0	0.0
Goodwill	0.0	0.0
Other assets	0.9	1.0
Total assets	23,094.7	22,882.5
Current liabilities:
Current maturities of debt	0.0	0.0
Accounts payable - trade	0.0	0.1
Accounts payable - related parties	0.0	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	0.0	1.4
Long-term debt	0.0	0.0
Deferred tax liabilities	0.0	0.0
Other long-term liabilities	341.4	333.9
Commitments and contingencies
Equity:
Partners' and other owners' equity	22,753.3	22,547.2
Noncontrolling interests	0.0	0.0
Total equity	22,753.3	22,547.2
Total liabilities and equity	$ 23,094.7	$ 22,882.5