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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)

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