Condensed Consolidating Financial Information, Statements of Cash Flows (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating activities:
Net income	$ 755.3	$ 655.5
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	292.0	266.1
Equity in income of unconsolidated affiliates	(44.5)	(9.9)
Distributions received from unconsolidated affiliates	51.3	27.0
Net effect of changes in operating accounts and other operating activities	(54.2)	(333.8)
Net cash flows provided by operating activities	999.9	604.9
Investing activities:
Capital expenditures, net of contributions in aid of construction costs	(622.9)	(968.1)
Proceeds from asset sales and insurance recoveries	130.5	998.2
Other investing activities	(354.8)	(65.6)
Cash used in investing activities	(847.2)	(35.5)
Financing activities:
Borrowings under debt agreements	6,174.6	1,396.6
Repayments of debt	(4,826.6)	(1,300.0)
Cash distributions paid to partners	(577.6)	(530.4)
Cash distributions paid to noncontrolling interests	(2.4)	(6.6)
Cash contributions from noncontrolling interests	0	4.9
Net cash proceeds from issuance of common units	554.1	32.8
Cash contributions from owners	0	0
Other financing activities	(210.6)	(98.2)
Cash provided by (used in) financing activities	1,111.5	(500.9)
Net change in cash and cash equivalents	1,264.2	68.5
Cash and cash equivalents, January 1	16.1	19.8
Cash and cash equivalents, March 31	1,280.3	88.3
Subsidiary Issuer (EPO) [Member]
Operating activities:
Net income	753.3	650.6
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	33.8	33.0
Equity in income of unconsolidated affiliates	(746.7)	(594.5)
Distributions received from unconsolidated affiliates	1,173.7	10.0
Net effect of changes in operating accounts and other operating activities	(76.8)	(489.4)
Net cash flows provided by operating activities	1,137.3	(390.3)
Investing activities:
Capital expenditures, net of contributions in aid of construction costs	(62.1)	(16.0)
Proceeds from asset sales and insurance recoveries	0	976.1
Other investing activities	(958.6)	(38.9)
Cash used in investing activities	(1,020.7)	921.2
Financing activities:
Borrowings under debt agreements	6,174.6	1,396.6
Repayments of debt	(4,809.2)	(1,290.5)
Cash distributions paid to partners	(601.2)	(531.6)
Cash distributions paid to noncontrolling interests	0	0
Cash contributions from noncontrolling interests		0
Net cash proceeds from issuance of common units	0	0
Cash contributions from owners	552.5	31.8
Other financing activities	(186.0)	(84.6)
Cash provided by (used in) financing activities	1,130.7	(478.3)
Net change in cash and cash equivalents	1,247.3	52.6
Cash and cash equivalents, January 1	0	9.7
Cash and cash equivalents, March 31	1,247.3	62.3
Other Subsidiaries (Non-guarantor) [Member]
Operating activities:
Net income	756.0	667.7
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	258.2	233.4
Equity in income of unconsolidated affiliates	(51.2)	(78.4)
Distributions received from unconsolidated affiliates	50.3	25.8
Net effect of changes in operating accounts and other operating activities	16.2	335.8
Net cash flows provided by operating activities	1,029.5	1,184.3
Investing activities:
Capital expenditures, net of contributions in aid of construction costs	(560.8)	(952.1)
Proceeds from asset sales and insurance recoveries	130.5	22.1
Other investing activities	(203.9)	(39.2)
Cash used in investing activities	(634.2)	(969.2)
Financing activities:
Borrowings under debt agreements	0	0
Repayments of debt	(17.4)	(9.5)
Cash distributions paid to partners	(1,175.1)	(208.0)
Cash distributions paid to noncontrolling interests	0	(4.4)
Cash contributions from noncontrolling interests		0
Net cash proceeds from issuance of common units	0	0
Cash contributions from owners	807.7	17.3
Other financing activities	0	0
Cash provided by (used in) financing activities	(384.8)	(204.6)
Net change in cash and cash equivalents	10.5	10.5
Cash and cash equivalents, January 1	28.0	21.3
Cash and cash equivalents, March 31	38.5	31.8
EPO and Subsidiaries Eliminations and Adjustments [Member]
Operating activities:
Net income	(753.5)	(662.6)
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	0	(0.3)
Equity in income of unconsolidated affiliates	753.4	663.0
Distributions received from unconsolidated affiliates	(1,172.7)	(8.8)
Net effect of changes in operating accounts and other operating activities	6.5	(191.4)
Net cash flows provided by operating activities	(1,166.3)	(200.1)
Investing activities:
Capital expenditures, net of contributions in aid of construction costs	0	0
Proceeds from asset sales and insurance recoveries	0	0
Other investing activities	807.7	12.5
Cash used in investing activities	807.7	12.5
Financing activities:
Borrowings under debt agreements	0	0
Repayments of debt	0	0
Cash distributions paid to partners	1,175.1	208.0
Cash distributions paid to noncontrolling interests	(2.4)	(2.2)
Cash contributions from noncontrolling interests		4.9
Net cash proceeds from issuance of common units	0	0
Cash contributions from owners	(807.7)	(17.3)
Other financing activities	0	(0.1)
Cash provided by (used in) financing activities	365.0	193.3
Net change in cash and cash equivalents	6.4	5.7
Cash and cash equivalents, January 1	(12.1)	(11.2)
Cash and cash equivalents, March 31	(5.7)	(5.5)
Consolidated EPO and Subsidiaries [Member]
Operating activities:
Net income	755.8	655.7
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	292.0	266.1
Equity in income of unconsolidated affiliates	(44.5)	(9.9)
Distributions received from unconsolidated affiliates	51.3	27.0
Net effect of changes in operating accounts and other operating activities	(54.1)	(345.0)
Net cash flows provided by operating activities	1,000.5	593.9
Investing activities:
Capital expenditures, net of contributions in aid of construction costs	(622.9)	(968.1)
Proceeds from asset sales and insurance recoveries	130.5	998.2
Other investing activities	(354.8)	(65.6)
Cash used in investing activities	(847.2)	(35.5)
Financing activities:
Borrowings under debt agreements	6,174.6	1,396.6
Repayments of debt	(4,826.6)	(1,300.0)
Cash distributions paid to partners	(601.2)	(531.6)
Cash distributions paid to noncontrolling interests	(2.4)	(6.6)
Cash contributions from noncontrolling interests		4.9
Net cash proceeds from issuance of common units	0	0
Cash contributions from owners	552.5	31.8
Other financing activities	(186.0)	(84.7)
Cash provided by (used in) financing activities	1,110.9	(489.6)
Net change in cash and cash equivalents	1,264.2	68.8
Cash and cash equivalents, January 1	15.9	19.8
Cash and cash equivalents, March 31	1,280.1	88.6
Enterprise Products Partners L.P. (Guarantor) [Member]
Operating activities:
Net income	753.5	651.3
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	0	0
Equity in income of unconsolidated affiliates	(753.7)	(651.5)
Distributions received from unconsolidated affiliates	577.6	531.6
Net effect of changes in operating accounts and other operating activities	23.2	11.5
Net cash flows provided by operating activities	600.6	542.9
Investing activities:
Capital expenditures, net of contributions in aid of construction costs	0	0
Proceeds from asset sales and insurance recoveries	0	0
Other investing activities	(552.5)	(31.8)
Cash used in investing activities	(552.5)	(31.8)
Financing activities:
Borrowings under debt agreements	0	0
Repayments of debt	0	0
Cash distributions paid to partners	(577.6)	(530.4)
Cash distributions paid to noncontrolling interests	0	0
Cash contributions from noncontrolling interests		0
Net cash proceeds from issuance of common units	554.1	32.8
Cash contributions from owners	0	0
Other financing activities	(24.6)	(13.5)
Cash provided by (used in) financing activities	(48.1)	(511.1)
Net change in cash and cash equivalents	0	0
Cash and cash equivalents, January 1	0.2	0
Cash and cash equivalents, March 31	0.2	0
Eliminations and Adjustments [Member]
Operating activities:
Net income	(754.0)	(651.5)
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion	0	0
Equity in income of unconsolidated affiliates	753.7	651.5
Distributions received from unconsolidated affiliates	(577.6)	(531.6)
Net effect of changes in operating accounts and other operating activities	(23.3)	(0.3)
Net cash flows provided by operating activities	(601.2)	(531.9)
Investing activities:
Capital expenditures, net of contributions in aid of construction costs	0	0
Proceeds from asset sales and insurance recoveries	0	0
Other investing activities	552.5	31.8
Cash used in investing activities	552.5	31.8
Financing activities:
Borrowings under debt agreements	0	0
Repayments of debt	0	0
Cash distributions paid to partners	601.2	531.6
Cash distributions paid to noncontrolling interests	0	0
Cash contributions from noncontrolling interests		0
Net cash proceeds from issuance of common units	0	0
Cash contributions from owners	(552.5)	(31.8)
Other financing activities	0	0
Cash provided by (used in) financing activities	48.7	499.8
Net change in cash and cash equivalents	0	(0.3)
Cash and cash equivalents, January 1	0	0
Cash and cash equivalents, March 31	$ 0	$ (0.3)