Condensed Consolidating Financial Information, Balance Sheet (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents and restricted cash	$ 341.5	$ 70.3
Accounts receivable - trade, net	4,318.3	4,358.4
Accounts receivable - related parties	2.0	1.8
Inventories	1,729.6	1,609.8
Derivative assets	165.1	153.4
Prepaid and other current assets	446.1	312.7
Total current assets	7,002.6	6,506.4
Property, plant and equipment, net	37,054.5	35,620.4
Investments in unconsolidated affiliates	2,581.5	2,659.4
Intangible assets, net	3,696.1	3,690.3
Goodwill	5,745.2	5,745.2
Other assets	231.5	196.4
Total assets	56,311.4	54,418.1
Current liabilities:
Current maturities of debt	2,668.7	2,855.0
Accounts payable - trade	893.1	801.7
Accounts payable - related parties	85.6	127.3
Accrued product payables	4,712.6	4,566.3
Accrued interest	372.0	358.0
Derivative liabilities	396.9	168.2
Other current liabilities	320.4	418.6
Total current liabilities	9,449.3	9,295.1
Long-term debt	23,020.2	21,713.7
Deferred tax liabilities	69.0	58.5
Other long-term liabilities	682.4	578.4
Commitments and contingencies
Equity:
Partners' and other owners' equity	22,671.6	22,547.2
Noncontrolling interests	418.9	225.2
Total equity	23,090.5	22,772.4	$ 22,880.2	$ 22,266.0
Total liabilities and equity	56,311.4	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	(7.5)	(1.3)
Inventories	0.0	0.0
Derivative assets	0.0	0.0
Prepaid and other current assets	0.1	0.0
Total current assets	(7.4)	(1.3)
Property, plant and equipment, net	0.0	0.0
Investments in unconsolidated affiliates	(23,028.0)	(22,881.5)
Intangible assets, net	0.0	0.0
Goodwill	0.0	0.0
Other assets	0.0	0.0
Total assets	(23,035.4)	(22,882.8)
Current liabilities:
Current maturities of debt	0.0	0.0
Accounts payable - trade	0.0	0.0
Accounts payable - related parties	(7.5)	(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	(7.5)	(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	(22,999.2)	(22,853.1)
Noncontrolling interests	(31.0)	(30.9)
Total equity	(23,030.2)	(22,884.0)
Total liabilities and equity	(23,035.4)	(22,882.8)
Subsidiary Issuer (EPO) [Member]
Current assets:
Cash and cash equivalents and restricted cash	283.8	65.2
Accounts receivable - trade, net	1,322.5	1,382.3
Accounts receivable - related parties	92.0	110.3
Inventories	1,270.7	1,038.9
Derivative assets	110.6	110.0
Prepaid and other current assets	200.2	136.3
Total current assets	3,279.8	2,843.0
Property, plant and equipment, net	5,955.0	5,622.6
Investments in unconsolidated affiliates	42,054.9	41,616.6
Intangible assets, net	667.1	675.5
Goodwill	459.5	459.5
Other assets	292.0	296.4
Total assets	52,708.3	51,513.6
Current liabilities:
Current maturities of debt	2,668.6	2,854.6
Accounts payable - trade	355.7	290.2
Accounts payable - related parties	1,083.0	1,320.3
Accrued product payables	2,008.6	1,825.9
Accrued interest	372.0	358.0
Derivative liabilities	108.3	115.2
Other current liabilities	39.7	108.9
Total current liabilities	6,635.9	6,873.1
Long-term debt	23,005.5	21,699.0
Deferred tax liabilities	10.6	6.7
Other long-term liabilities	58.8	60.4
Commitments and contingencies
Equity:
Partners' and other owners' equity	22,997.5	22,874.4
Noncontrolling interests	0.0	0.0
Total equity	22,997.5	22,874.4
Total liabilities and equity	52,708.3	51,513.6
Other Subsidiaries (Non-guarantor) [Member]
Current assets:
Cash and cash equivalents and restricted cash	81.7	31.5
Accounts receivable - trade, net	2,996.5	2,976.6
Accounts receivable - related parties	991.0	1,182.1
Inventories	459.5	572.3
Derivative assets	54.5	43.4
Prepaid and other current assets	276.1	189.0
Total current assets	4,859.3	4,994.9
Property, plant and equipment, net	31,098.1	29,996.3
Investments in unconsolidated affiliates	4,080.7	4,298.0
Intangible assets, net	3,042.6	3,028.6
Goodwill	5,285.7	5,285.7
Other assets	160.7	110.0
Total assets	48,527.1	47,713.5
Current liabilities:
Current maturities of debt	0.1	0.4
Accounts payable - trade	561.4	537.8
Accounts payable - related parties	90.0	112.0
Accrued product payables	2,705.8	2,741.7
Accrued interest	0.8	0.0
Derivative liabilities	288.6	53.0
Other current liabilities	309.6	320.1
Total current liabilities	3,956.3	3,765.0
Long-term debt	14.7	14.7
Deferred tax liabilities	57.0	50.2
Other long-term liabilities	495.7	396.5
Commitments and contingencies
Equity:
Partners' and other owners' equity	43,929.6	43,412.0
Noncontrolling interests	73.8	75.1
Total equity	44,003.4	43,487.1
Total liabilities and equity	48,527.1	47,713.5
Consolidated EPO and Subsidiaries [Member]
Current assets:
Cash and cash equivalents and restricted cash	341.5	70.3
Accounts receivable - trade, net	4,318.3	4,358.4
Accounts receivable - related parties	9.5	3.1
Inventories	1,729.6	1,609.8
Derivative assets	165.1	153.4
Prepaid and other current assets	445.5	312.7
Total current assets	7,009.5	6,507.7
Property, plant and equipment, net	37,054.5	35,620.4
Investments in unconsolidated affiliates	2,581.5	2,659.4
Intangible assets, net	3,696.1	3,690.3
Goodwill	5,745.2	5,745.2
Other assets	230.6	195.4
Total assets	56,317.4	54,418.4
Current liabilities:
Current maturities of debt	2,668.7	2,855.0
Accounts payable - trade	893.1	801.6
Accounts payable - related parties	85.6	127.3
Accrued product payables	4,712.6	4,566.3
Accrued interest	372.0	358.0
Derivative liabilities	396.9	168.2
Other current liabilities	320.4	418.2
Total current liabilities	9,449.3	9,294.6
Long-term debt	23,020.2	21,713.7
Deferred tax liabilities	66.7	56.4
Other long-term liabilities	332.1	244.5
Commitments and contingencies
Equity:
Partners' and other owners' equity	22,999.2	22,853.1
Noncontrolling interests	449.9	256.1
Total equity	23,449.1	23,109.2
Total liabilities and equity	56,317.4	54,418.4
Consolidated EPO and Subsidiaries [Member] | Eliminations and Adjustments [Member]
Current assets:
Cash and cash equivalents and restricted cash	(24.0)	(26.4)
Accounts receivable - trade, net	(0.7)	(0.5)
Accounts receivable - related parties	(1,073.5)	(1,289.3)
Inventories	(0.6)	(1.4)
Derivative assets	0.0	0.0
Prepaid and other current assets	(30.8)	(12.6)
Total current assets	(1,129.6)	(1,330.2)
Property, plant and equipment, net	1.4	1.5
Investments in unconsolidated affiliates	(43,554.1)	(43,255.2)
Intangible assets, net	(13.6)	(13.8)
Goodwill	0.0	0.0
Other assets	(222.1)	(211.0)
Total assets	(44,918.0)	(44,808.7)
Current liabilities:
Current maturities of debt	0.0	0.0
Accounts payable - trade	(24.0)	(26.4)
Accounts payable - related parties	(1,087.4)	(1,305.0)
Accrued product payables	(1.8)	(1.3)
Accrued interest	(0.8)	0.0
Derivative liabilities	0.0	0.0
Other current liabilities	(28.9)	(10.8)
Total current liabilities	(1,142.9)	(1,343.5)
Long-term debt	0.0	0.0
Deferred tax liabilities	(0.9)	(0.5)
Other long-term liabilities	(222.4)	(212.4)
Commitments and contingencies
Equity:
Partners' and other owners' equity	(43,927.9)	(43,433.3)
Noncontrolling interests	376.1	181.0
Total equity	(43,551.8)	(43,252.3)
Total liabilities and equity	(44,918.0)	(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	0.0	0.0
Inventories	0.0	0.0
Derivative assets	0.0	0.0
Prepaid and other current assets	0.5	0.0
Total current assets	0.5	0.0
Property, plant and equipment, net	0.0	0.0
Investments in unconsolidated affiliates	23,028.0	22,881.5
Intangible assets, net	0.0	0.0
Goodwill	0.0	0.0
Other assets	0.9	1.0
Total assets	23,029.4	22,882.5
Current liabilities:
Current maturities of debt	0.0	0.0
Accounts payable - trade	0.0	0.1
Accounts payable - related parties	7.5	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	7.5	1.4
Long-term debt	0.0	0.0
Deferred tax liabilities	0.0	0.0
Other long-term liabilities	350.3	333.9
Commitments and contingencies
Equity:
Partners' and other owners' equity	22,671.6	22,547.2
Noncontrolling interests	0.0	0.0
Total equity	22,671.6	22,547.2
Total liabilities and equity	$ 23,029.4	$ 22,882.5