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Condensed Consolidating Financial Information (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Sep. 30, 2010
Jun. 30, 2010
Mar. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Current assets:                        
Cash and cash equivalents and restricted cash $ 58.3       $ 164.2       $ 58.3 $ 164.2    
Accounts receivable - trade, net 4,501.8       3,800.1       4,501.8 3,800.1    
Accounts receivable - related parties 43.5       36.8       43.5 36.8    
Inventories 1,111.7       1,134.0       1,111.7 1,134.0    
Prepaid and other current assets 353.4       372.0       353.4 372.0    
Total current assets 6,068.7       5,507.1       6,068.7 5,507.1    
Property, plant and equipment, net 22,191.6       19,332.9       22,191.6 19,332.9 17,689.2  
Investments in unconsolidated affiliates 1,859.6       2,293.1       1,859.6 2,293.1    
Intangible assets, net 1,656.2       1,841.7       1,656.2 1,841.7 1,064.8  
Goodwill 2,092.3 [1]       2,107.7 [1]       2,092.3 [1] 2,107.7 [1] 2,018.3 [1] 2,019.6
Other assets 256.7       278.3       256.7 278.3    
Total assets 34,125.1       31,360.8       34,125.1 31,360.8    
Current liabilities:                        
Current maturities of debt 500.0 [2]       282.3 [2]       500.0 [2] 282.3 [2]    
Accounts payable - trade 773.0       542.0       773.0 542.0    
Accounts payable - related parties 211.6       133.1       211.6 133.1    
Accrued product payables 5,047.1       4,164.8       5,047.1 4,164.8    
Accrued interest 288.1       252.9       288.1 252.9    
Other current liabilities 612.6       505.1       612.6 505.1    
Total current liabilities 7,432.4       5,880.2       7,432.4 5,880.2    
Long-term debt 14,029.4       13,281.2       14,029.4 13,281.2    
Deferred tax liabilities 91.2       78.0       91.2 78.0    
Other long-term liabilities 352.8       220.6       352.8 220.6    
Commitments and contingencies                            
Equity:                        
Partners' and other owners' equity 12,113.4       11,374.2       12,113.4 11,374.2    
Noncontrolling interests 105.9       526.6       105.9 526.6    
Total equity 12,219.3       11,900.8 [3]       12,219.3 11,900.8 [3] 10,473.1 [3] 9,759.4 [3]
Total liabilities and equity 34,125.1       31,360.8       34,125.1 31,360.8    
Condensed Consolidating Statement of Operations                        
Revenues 11,585.7 11,327.1 11,216.5 10,183.7 9,583.6 8,067.8 7,543.4 8,544.5 44,313.0 33,739.3 25,510.9  
Costs and expenses:                        
Operating costs and expenses                 41,318.5 31,449.3 23,565.8  
General and administrative costs                 181.8 204.8 182.8  
Total costs and expenses (see Note 14)                 41,500.3 31,654.1 23,748.6  
Equity in income of unconsolidated affiliates                 46.4 62.0 92.3  
Operating income 909.2 681.1 643.9 624.9 505.4 543.2 539.7 558.9 2,859.1 2,147.2 1,854.6  
Other income (expense):                        
Interest expense                 (744.1) (741.9) (687.3)  
Other, net                 0.5 4.5 (1.7)  
Total other expense, net                 (743.6) (737.4) (689.0)  
Income before provision for income taxes                 2,115.5 1,409.8 1,165.6  
Provision for income taxes                 (27.2) (26.1) (25.3)  
Net income 725.8 479.5 448.5 434.5 289.3 347.6 354.4 392.4 2,088.3 1,383.7 1,140.3  
Net loss (income) attributable to noncontrolling interests                 (41.4) (1,062.9) (936.2)  
Net income attributable to entity 721.1 471.4 433.7 420.7 159.8 37.0 54.1 69.9 2,046.9 320.8 204.1  
Operating activities:                        
Net income 725.8 479.5 448.5 434.5 289.3 347.6 354.4 392.4 2,088.3 1,383.7 1,140.3  
Reconciliation of net income to net cash flows provided by operating activities:                        
Depreciation, amortization and accretion                 1,007.0 985.1 836.8  
Equity in income of unconsolidated affiliates                 (46.4) (62.0) (92.3)  
Distributions received from unconsolidated affiliates                 156.4 191.9 169.3  
Net effect of changes in operating accounts and other operating activities                 125.2 (198.7) 356.2  
Net cash flows provided by operating activities                 3,330.5 2,300.0 2,410.3  
Investing activities:                        
Capital expenditures, net of contributions in aid of construction costs                 (3,842.6) (2,002.1) (1,566.5)  
Proceeds from asset sales                 1,033.8 105.9 3.6  
Cash used for business combinations (see Note 10)                 0 (1,313.9) (107.3)  
Other investing activities                 31.2 64.4 126.1  
Cash used in investing activities                 (2,777.6) (3,251.6) (1,547.7)  
Financing activities:                        
Borrowings under debt agreements                 8,324.1 6,484.4 7,494.2  
Repayments of debt                 (7,375.8) (5,344.4) (7,766.7)  
Cash distributions paid to partners                 (1,974.3) (307.7) (266.7)  
Cash distributions paid to noncontrolling interests                 (60.7) (1,478.4) (1,322.1)  
Cash contributions from noncontrolling interests                 8.5 1,103.7 1,014.2  
Net cash proceeds from issuance of common units                 542.9 528.5 0  
Cash contributions from owners                 0 0 0  
Other financing activities                 (63.3) (25.0) (16.8)  
Cash provided by (used in) financing activities                 (598.6) 961.1 (863.9)  
Effect of exchange rate changes on cash                 0 0.7 (0.2)  
Net change in cash and cash equivalents                 (45.7) 9.5 (1.3)  
Cash and cash equivalents, January 1       65.5       55.3 65.5 55.3 56.8  
Cash and cash equivalents, December 31 19.8       65.5       19.8 65.5 55.3  
Cash and cash equivalents (pre-Merger), January 1               55.3   55.3 56.8  
Cash and cash equivalents (pre-Merger), December 31                     55.3  
Subsidiary Issuer (EPO) [Member]
                        
Current assets:                        
Cash and cash equivalents and restricted cash 48.2       97.1       48.2 97.1    
Accounts receivable - trade, net 1,599.4       1,684.1       1,599.4 1,684.1    
Accounts receivable - related parties 141.1       206.3       141.1 206.3    
Inventories 943.6       825.3       943.6 825.3    
Prepaid and other current assets 216.8       205.4       216.8 205.4    
Total current assets 2,949.1       3,018.2       2,949.1 3,018.2    
Property, plant and equipment, net 1,477.5       1,461.0       1,477.5 1,461.0    
Investments in unconsolidated affiliates 27,060.0       22,640.3       27,060.0 22,640.3    
Intangible assets, net 142.4       155.5       142.4 155.5    
Goodwill 458.9       469.1       458.9 469.1    
Other assets 146.4       296.4       146.4 296.4    
Total assets 32,234.3       28,040.5       32,234.3 28,040.5    
Current liabilities:                        
Current maturities of debt 500.0       0       500.0 0    
Accounts payable - trade 205.6       138.1       205.6 138.1    
Accounts payable - related parties 2,407.2       1,159.0       2,407.2 1,159.0    
Accrued product payables 2,141.0       2,057.2       2,141.0 2,057.2    
Accrued interest 287.1       251.3       287.1 251.3    
Other current liabilities 298.1       217.2       298.1 217.2    
Total current liabilities 5,839.0       3,822.8       5,839.0 3,822.8    
Long-term debt 13,975.1       12,663.7       13,975.1 12,663.7    
Deferred tax liabilities 22.2       5.1       22.2 5.1    
Other long-term liabilities 155.3       42.9       155.3 42.9    
Commitments and contingencies                            
Equity:                        
Partners' and other owners' equity 12,242.7       11,506.0       12,242.7 11,506.0    
Noncontrolling interests 0       0       0 0    
Total equity 12,242.7       11,506.0       12,242.7 11,506.0    
Total liabilities and equity 32,234.3       28,040.5       32,234.3 28,040.5    
Condensed Consolidating Statement of Operations                        
Revenues                 33,063.8 26,152.3 18,986.8  
Costs and expenses:                        
Operating costs and expenses                 32,432.7 25,748.9 18,647.9  
General and administrative costs                 10.4 15.7 14.1  
Total costs and expenses (see Note 14)                 32,443.1 25,764.6 18,662.0  
Equity in income of unconsolidated affiliates                 2,194.4 1,692.7 1,225.8  
Operating income                 2,815.1 2,080.4 1,550.6  
Other income (expense):                        
Interest expense                 (725.1) (653.4) (514.1)  
Other, net                 7.8 11.0 8.5  
Total other expense, net                 (717.3) (642.4) (505.6)  
Income before provision for income taxes                 2,097.8 1,438.0 1,045.0  
Provision for income taxes                 (45.3) (12.8) (7.8)  
Net income                 2,052.5 1,425.2 1,037.2  
Net loss (income) attributable to noncontrolling interests                 0 0 0  
Net income attributable to entity                 2,052.5 1,425.2 1,037.2  
Operating activities:                        
Net income                 2,052.5 1,425.2 1,037.2  
Reconciliation of net income to net cash flows provided by operating activities:                        
Depreciation, amortization and accretion                 119.7 109.2 86.3  
Equity in income of unconsolidated affiliates                 (2,194.4) (1,692.7) (1,225.8)  
Distributions received from unconsolidated affiliates                 150.3 186.1 258.6  
Net effect of changes in operating accounts and other operating activities                 1,036.4 28.6 1,320.5  
Net cash flows provided by operating activities                 1,164.5 56.4 1,476.8  
Investing activities:                        
Capital expenditures, net of contributions in aid of construction costs                 (63.4) (19.2) (209.9)  
Proceeds from asset sales                 611.5      
Cash used for business combinations (see Note 10)                   (40.7) (23.7)  
Other investing activities                 (1,991.7) (1,827.3) (1,125.3)  
Cash used in investing activities                 (1,443.6) (1,887.2) (1,358.9)  
Financing activities:                        
Borrowings under debt agreements                 7,764.1 5,977.7 6,105.0  
Repayments of debt                 (5,970.0) (4,085.8) (5,838.2)  
Cash distributions paid to partners                 (1,994.9) (1,714.4) (1,265.1)  
Cash distributions paid to noncontrolling interests                 0 0 0  
Cash contributions from noncontrolling interests                 0 0 0  
Net cash proceeds from issuance of common units                 0 0 0  
Cash contributions from owners                 546.9 1,653.7 908.3  
Other financing activities                 (57.8) (14.3) (14.5)  
Cash provided by (used in) financing activities                 288.3 1,816.9 (104.5)  
Effect of exchange rate changes on cash                   0 0  
Net change in cash and cash equivalents                 9.2 (13.9) 13.4  
Cash and cash equivalents, January 1       0.5       14.4 0.5 14.4    
Cash and cash equivalents, December 31 9.7       0.5       9.7 0.5 14.4  
Cash and cash equivalents (pre-Merger), January 1               14.4   14.4 1.0  
Cash and cash equivalents (pre-Merger), December 31                     14.4  
Other Subsidiaries (Non-guarantor) [Member]
                        
Current assets:                        
Cash and cash equivalents and restricted cash 21.3       70.0       21.3 70.0    
Accounts receivable - trade, net 2,913.2       2,127.9       2,913.2 2,127.9    
Accounts receivable - related parties 2,155.5       927.6       2,155.5 927.6    
Inventories 170.5       310.0       170.5 310.0    
Prepaid and other current assets 152.6       176.2       152.6 176.2    
Total current assets 5,413.1       3,611.7       5,413.1 3,611.7    
Property, plant and equipment, net 20,723.7       17,881.9       20,723.7 17,881.9    
Investments in unconsolidated affiliates 8,266.7       6,254.0       8,266.7 6,254.0    
Intangible assets, net 1,527.4       1,700.8       1,527.4 1,700.8    
Goodwill 1,633.4       1,638.6       1,633.4 1,638.6    
Other assets 107.5       126.7       107.5 126.7    
Total assets 37,671.8       31,213.7       37,671.8 31,213.7    
Current liabilities:                        
Current maturities of debt 0       282.3       0 282.3    
Accounts payable - trade 578.6       406.8       578.6 406.8    
Accounts payable - related parties 71.9       204.3       71.9 204.3    
Accrued product payables 2,912.4       2,124.8       2,912.4 2,124.8    
Accrued interest 1.0       1.8       1.0 1.8    
Other current liabilities 321.8       294.7       321.8 294.7    
Total current liabilities 3,885.7       3,314.7       3,885.7 3,314.7    
Long-term debt 54.3       626.4       54.3 626.4    
Deferred tax liabilities 67.1       73.8       67.1 73.8    
Other long-term liabilities 197.5       177.7       197.5 177.7    
Commitments and contingencies                            
Equity:                        
Partners' and other owners' equity 28,799.8       23,176.8       28,799.8 23,176.8    
Noncontrolling interests 4,667.4       3,844.3       4,667.4 3,844.3    
Total equity 33,467.2       27,021.1       33,467.2 27,021.1    
Total liabilities and equity 37,671.8       31,213.7       37,671.8 31,213.7    
Condensed Consolidating Statement of Operations                        
Revenues                 27,971.8 19,791.6 14,496.0  
Costs and expenses:                        
Operating costs and expenses                 25,609.7 17,906.6 12,821.8  
General and administrative costs                 163.7 183.6 149.2  
Total costs and expenses (see Note 14)                 25,773.4 18,090.2 12,971.0  
Equity in income of unconsolidated affiliates                 131.7 133.3 117.5  
Operating income                 2,330.1 1,834.7 1,642.5  
Other income (expense):                        
Interest expense                 (26.4) (99.0) (140.4)  
Other, net                 0.1 4.0 2.4  
Total other expense, net                 (26.3) (95.0) (138.0)  
Income before provision for income taxes                 2,303.8 1,739.7 1,504.5  
Provision for income taxes                 18.4 (13.0) (17.4)  
Net income                 2,322.2 1,726.7 1,487.1  
Net loss (income) attributable to noncontrolling interests                 (51.7) 17.6 21.6  
Net income attributable to entity                 2,270.5 1,744.3 1,508.7  
Operating activities:                        
Net income                 2,322.2 1,726.7 1,487.1  
Reconciliation of net income to net cash flows provided by operating activities:                        
Depreciation, amortization and accretion                 888.7 877.3 748.7  
Equity in income of unconsolidated affiliates                 (131.7) (133.3) (117.5)  
Distributions received from unconsolidated affiliates                 196.8 244.5 79.8  
Net effect of changes in operating accounts and other operating activities                 (118.5) 609.5 (754.2)  
Net cash flows provided by operating activities                 3,157.5 3,324.7 1,443.9  
Investing activities:                        
Capital expenditures, net of contributions in aid of construction costs                 (3,779.2) (1,982.9) (1,356.6)  
Proceeds from asset sales                 422.3      
Cash used for business combinations (see Note 10)                   (1,273.2) (93.9)  
Other investing activities                 (1,292.6) 144.3 (13.1)  
Cash used in investing activities                 (4,649.5) (3,111.8) (1,463.6)  
Financing activities:                        
Borrowings under debt agreements                 560.0 506.7 1,271.6  
Repayments of debt                 (1,405.8) (1,258.6) (1,815.3)  
Cash distributions paid to partners                 (946.8) (1,217.1) (448.1)  
Cash distributions paid to noncontrolling interests                 (108.1) (117.7) (303.8)  
Cash contributions from noncontrolling interests                 724.8 517.6 3.5  
Net cash proceeds from issuance of common units                 0 0 0  
Cash contributions from owners                 2,621.3 1,383.3 1,288.8  
Other financing activities                 0 (6.8) (0.2)  
Cash provided by (used in) financing activities                 1,445.4 (192.6) (3.5)  
Effect of exchange rate changes on cash                   0.7 (0.2)  
Net change in cash and cash equivalents                 (46.6) 20.3 (23.2)  
Cash and cash equivalents, January 1       67.9       46.9 67.9 46.9    
Cash and cash equivalents, December 31 21.3       67.9       21.3 67.9 46.9  
Cash and cash equivalents (pre-Merger), January 1               46.3   46.3 69.7  
Cash and cash equivalents (pre-Merger), December 31                     46.3  
EPO and Subsidiaries Eliminations and Adjustments [Member]
                        
Current assets:                        
Cash and cash equivalents and restricted cash (11.2)       (2.9)       (11.2) (2.9)    
Accounts receivable - trade, net (10.8)       (11.9)       (10.8) (11.9)    
Accounts receivable - related parties (2,252.0)       (1,095.8)       (2,252.0) (1,095.8)    
Inventories (2.4)       (1.3)       (2.4) (1.3)    
Prepaid and other current assets (16.0)       (9.6)       (16.0) (9.6)    
Total current assets (2,292.4)       (1,121.5)       (2,292.4) (1,121.5)    
Property, plant and equipment, net (9.6)       (10.0)       (9.6) (10.0)    
Investments in unconsolidated affiliates (33,467.1)       (26,601.2)       (33,467.1) (26,601.2)    
Intangible assets, net (13.6)       (14.6)       (13.6) (14.6)    
Goodwill 0       0       0 0    
Other assets 2.8       (144.8)       2.8 (144.8)    
Total assets (35,779.9)       (27,892.1)       (35,779.9) (27,892.1)    
Current liabilities:                        
Current maturities of debt 0       0       0 0    
Accounts payable - trade (11.2)       (2.9)       (11.2) (2.9)    
Accounts payable - related parties (2,267.5)       (1,230.2)       (2,267.5) (1,230.2)    
Accrued product payables (6.3)       (17.2)       (6.3) (17.2)    
Accrued interest 0       (0.2)       0 (0.2)    
Other current liabilities (7.4)       (6.9)       (7.4) (6.9)    
Total current liabilities (2,292.4)       (1,257.4)       (2,292.4) (1,257.4)    
Long-term debt 0       (8.9)       0 (8.9)    
Deferred tax liabilities 2.8       (0.1)       2.8 (0.1)    
Other long-term liabilities 0       0       0 0    
Commitments and contingencies                            
Equity:                        
Partners' and other owners' equity (28,946.4)       (23,321.2)       (28,946.4) (23,321.2)    
Noncontrolling interests (4,543.9)       (3,304.5)       (4,543.9) (3,304.5)    
Total equity (33,490.3)       (26,625.7)       (33,490.3) (26,625.7)    
Total liabilities and equity (35,779.9)       (27,892.1)       (35,779.9) (27,892.1)    
Condensed Consolidating Statement of Operations                        
Revenues                 (16,722.6) (12,204.6) (7,971.9)  
Costs and expenses:                        
Operating costs and expenses                 (16,723.9) (12,206.2) (7,903.9)  
General and administrative costs                 0 0 0  
Total costs and expenses (see Note 14)                 (16,723.9) (12,206.2) (7,903.9)  
Equity in income of unconsolidated affiliates                 (2,279.7) (1,764.0) (1,292.1)  
Operating income                 (2,278.4) (1,762.4) (1,360.1)  
Other income (expense):                        
Interest expense                 7.4 10.5 12.7  
Other, net                 (7.4) (10.5) (12.7)  
Total other expense, net                 0 0 0  
Income before provision for income taxes                 (2,278.4) (1,762.4) (1,360.1)  
Provision for income taxes                 0 0 0  
Net income                 (2,278.4) (1,762.4) (1,360.1)  
Net loss (income) attributable to noncontrolling interests                 9.2 (80.9) (146.2)  
Net income attributable to entity                 (2,269.2) (1,843.3) (1,506.3)  
Operating activities:                        
Net income                 (2,278.4) (1,762.4) (1,360.1)  
Reconciliation of net income to net cash flows provided by operating activities:                        
Depreciation, amortization and accretion                 (1.4) (1.4) (1.6)  
Equity in income of unconsolidated affiliates                 2,279.7 1,764.0 1,292.1  
Distributions received from unconsolidated affiliates                 (190.7) (238.7) (251.8)  
Net effect of changes in operating accounts and other operating activities                 (789.8) (840.9) (209.1)  
Net cash flows provided by operating activities                 (980.6) (1,079.4) (530.5)  
Investing activities:                        
Capital expenditures, net of contributions in aid of construction costs                 0 0 0  
Proceeds from asset sales                 0      
Cash used for business combinations (see Note 10)                   0 10.3  
Other investing activities                 3,315.5 1,747.4 1,265.3  
Cash used in investing activities                 3,315.5 1,747.4 1,275.6  
Financing activities:                        
Borrowings under debt agreements                 0 0 0  
Repayments of debt                 0 0 0  
Cash distributions paid to partners                 946.8 1,186.7 448.1  
Cash distributions paid to noncontrolling interests                 47.4 44.7 (36.4)  
Cash contributions from noncontrolling interests                 (716.1) (512.8) 135.2  
Net cash proceeds from issuance of common units                 0 0 0  
Cash contributions from owners                 (2,621.3) (1,383.3) (1,288.8)  
Other financing activities                 0 0 0  
Cash provided by (used in) financing activities                 (2,343.2) (664.7) (741.9)  
Effect of exchange rate changes on cash                   0 0  
Net change in cash and cash equivalents                 (8.3) 3.3 3.2  
Cash and cash equivalents, January 1       (2.9)       (6.2) (2.9) (6.2)    
Cash and cash equivalents, December 31 (11.2)       (2.9)       (11.2) (2.9) (6.2)  
Cash and cash equivalents (pre-Merger), January 1               (6.2)   (6.2) (9.4)  
Cash and cash equivalents (pre-Merger), December 31                     (6.2)  
Consolidated EPO and Subsidiaries [Member]
                        
Current assets:                        
Cash and cash equivalents and restricted cash 58.3       164.2       58.3 164.2    
Accounts receivable - trade, net 4,501.8       3,800.1       4,501.8 3,800.1    
Accounts receivable - related parties 44.6       38.1       44.6 38.1    
Inventories 1,111.7       1,134.0       1,111.7 1,134.0    
Prepaid and other current assets 353.4       372.0       353.4 372.0    
Total current assets 6,069.8       5,508.4       6,069.8 5,508.4    
Property, plant and equipment, net 22,191.6       19,332.9       22,191.6 19,332.9    
Investments in unconsolidated affiliates 1,859.6       2,293.1       1,859.6 2,293.1    
Intangible assets, net 1,656.2       1,841.7       1,656.2 1,841.7    
Goodwill 2,092.3       2,107.7       2,092.3 2,107.7    
Other assets 256.7       278.3       256.7 278.3    
Total assets 34,126.2       31,362.1       34,126.2 31,362.1    
Current liabilities:                        
Current maturities of debt 500.0       282.3       500.0 282.3    
Accounts payable - trade 773.0       542.0       773.0 542.0    
Accounts payable - related parties 211.6       133.1       211.6 133.1    
Accrued product payables 5,047.1       4,164.8       5,047.1 4,164.8    
Accrued interest 288.1       252.9       288.1 252.9    
Other current liabilities 612.5       505.0       612.5 505.0    
Total current liabilities 7,432.3       5,880.1       7,432.3 5,880.1    
Long-term debt 14,029.4       13,281.2       14,029.4 13,281.2    
Deferred tax liabilities 92.1       78.8       92.1 78.8    
Other long-term liabilities 352.8       220.6       352.8 220.6    
Commitments and contingencies                            
Equity:                        
Partners' and other owners' equity 12,096.1       11,361.6       12,096.1 11,361.6    
Noncontrolling interests 123.5       539.8       123.5 539.8    
Total equity 12,219.6       11,901.4       12,219.6 11,901.4    
Total liabilities and equity 34,126.2       31,362.1       34,126.2 31,362.1    
Condensed Consolidating Statement of Operations                        
Revenues                 44,313.0 33,739.3 25,510.9  
Costs and expenses:                        
Operating costs and expenses                 41,318.5 31,449.3 23,565.8  
General and administrative costs                 174.1 199.3 163.3  
Total costs and expenses (see Note 14)                 41,492.6 31,648.6 23,729.1  
Equity in income of unconsolidated affiliates                 46.4 62.0 51.2  
Operating income                 2,866.8 2,152.7 1,833.0  
Other income (expense):                        
Interest expense                 (744.1) (741.9) (641.8)  
Other, net                 0.5 4.5 (1.8)  
Total other expense, net                 (743.6) (737.4) (643.6)  
Income before provision for income taxes                 2,123.2 1,415.3 1,189.4  
Provision for income taxes                 (26.9) (25.8) (25.2)  
Net income                 2,096.3 1,389.5 1,164.2  
Net loss (income) attributable to noncontrolling interests                 (42.5) (63.3) (124.6)  
Net income attributable to entity                 2,053.8 1,326.2 1,039.6  
Operating activities:                        
Net income                 2,096.3 1,389.5 1,164.2  
Reconciliation of net income to net cash flows provided by operating activities:                        
Depreciation, amortization and accretion                 1,007.0 985.1 833.4  
Equity in income of unconsolidated affiliates                 (46.4) (62.0) (51.2)  
Distributions received from unconsolidated affiliates                 156.4 191.9 86.6  
Net effect of changes in operating accounts and other operating activities                 128.1 (202.8) 357.2  
Net cash flows provided by operating activities                 3,341.4 2,301.7 2,390.2  
Investing activities:                        
Capital expenditures, net of contributions in aid of construction costs                 (3,842.6) (2,002.1) (1,566.5)  
Proceeds from asset sales                 1,033.8      
Cash used for business combinations (see Note 10)                   (1,313.9) (107.3)  
Other investing activities                 31.2 64.4 126.9  
Cash used in investing activities                 (2,777.6) (3,251.6) (1,546.9)  
Financing activities:                        
Borrowings under debt agreements                 8,324.1 6,484.4 7,376.6  
Repayments of debt                 (7,375.8) (5,344.4) (7,653.5)  
Cash distributions paid to partners                 (1,994.9) (1,744.8) (1,265.1)  
Cash distributions paid to noncontrolling interests                 (60.7) (73.0) (340.2)  
Cash contributions from noncontrolling interests                 8.7 4.8 138.7  
Net cash proceeds from issuance of common units                 0 0 0  
Cash contributions from owners                 546.9 1,653.7 908.3  
Other financing activities                 (57.8) (21.1) (14.7)  
Cash provided by (used in) financing activities                 (609.5) 959.6 (849.9)  
Effect of exchange rate changes on cash                   0.7 (0.2)  
Net change in cash and cash equivalents                 (45.7) 9.7 (6.6)  
Cash and cash equivalents, January 1       65.5       55.1 65.5 55.1    
Cash and cash equivalents, December 31 19.8       65.5       19.8 65.5 55.1  
Cash and cash equivalents (pre-Merger), January 1               54.5   54.5 61.3  
Cash and cash equivalents (pre-Merger), December 31                     54.5  
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 (1.1)       (1.3)       (1.1) (1.3)    
Inventories 0       0       0 0    
Prepaid and other current assets 0       0       0 0    
Total current assets (1.1)       (1.3)       (1.1) (1.3)    
Property, plant and equipment, net 0       0       0 0    
Investments in unconsolidated affiliates 12,114.5       11,375.5       12,114.5 11,375.5    
Intangible assets, net 0       0       0 0    
Goodwill 0       0       0 0    
Other assets 0       0       0 0    
Total assets 12,113.4       11,374.2       12,113.4 11,374.2    
Current liabilities:                        
Current maturities of debt 0       0       0 0    
Accounts payable - trade 0       0       0 0    
Accounts payable - related parties 0       0       0 0    
Accrued product payables 0       0       0 0    
Accrued interest 0       0       0 0    
Other current liabilities 0       0       0 0    
Total current liabilities 0       0       0 0    
Long-term debt 0       0       0 0    
Deferred tax liabilities 0       0       0 0    
Other long-term liabilities 0       0       0 0    
Commitments and contingencies                            
Equity:                        
Partners' and other owners' equity 12,113.4       11,374.2       12,113.4 11,374.2    
Noncontrolling interests 0       0       0 0    
Total equity 12,113.4       11,374.2       12,113.4 11,374.2    
Total liabilities and equity 12,113.4       11,374.2       12,113.4 11,374.2    
Condensed Consolidating Statement of Operations                        
Revenues                 0 0 0  
Costs and expenses:                        
Operating costs and expenses                 0 0 0  
General and administrative costs                 7.7 5.5 9.0  
Total costs and expenses (see Note 14)                 7.7 5.5 9.0  
Equity in income of unconsolidated affiliates                 2,054.6 1,427.2 1,039.9  
Operating income                 2,046.9 1,421.7 1,030.9  
Other income (expense):                        
Interest expense                 0 0 0  
Other, net                 0 0 0  
Total other expense, net                 0 0 0  
Income before provision for income taxes                 2,046.9 1,421.7 1,030.9  
Provision for income taxes                 0 0 0  
Net income                 2,046.9 1,421.7 1,030.9  
Net loss (income) attributable to noncontrolling interests                 0 0 0  
Net income attributable to entity                 2,046.9 1,421.7 1,030.9  
Operating activities:                        
Net income                 2,046.9 1,421.7 1,030.9  
Reconciliation of net income to net cash flows provided by operating activities:                        
Depreciation, amortization and accretion                 0 0 0  
Equity in income of unconsolidated affiliates                 (2,054.6) (1,427.2) (1,039.9)  
Distributions received from unconsolidated affiliates                 1,994.9 1,714.4 1,265.0  
Net effect of changes in operating accounts and other operating activities                 (3.4) (275.8) (3.7)  
Net cash flows provided by operating activities                 1,983.8 1,433.1 1,252.3  
Investing activities:                        
Capital expenditures, net of contributions in aid of construction costs                 0 0 0  
Proceeds from asset sales                 0      
Cash used for business combinations (see Note 10)                   0 0  
Other investing activities                 (546.9) (1,653.6) (908.3)  
Cash used in investing activities                 (546.9) (1,653.6) (908.3)  
Financing activities:                        
Borrowings under debt agreements                 0 0 0  
Repayments of debt                 0 0 0  
Cash distributions paid to partners                 (1,974.3) (307.7) (1,254.8)  
Cash distributions paid to noncontrolling interests                 0 0 0  
Cash contributions from noncontrolling interests                 0 0 0  
Net cash proceeds from issuance of common units                 542.9 528.5 912.7  
Cash contributions from owners                 0 0 0  
Other financing activities                 (5.5) (0.3) (2.1)  
Cash provided by (used in) financing activities                 (1,436.9) 220.5 (344.2)  
Effect of exchange rate changes on cash                   0 0  
Net change in cash and cash equivalents                 0 0 (0.2)  
Cash and cash equivalents, January 1       0       0 0 0    
Cash and cash equivalents, December 31 0       0       0 0 0  
Cash and cash equivalents (pre-Merger), January 1               0   0 0.2  
Cash and cash equivalents (pre-Merger), December 31                     0  
Holdings and EPGP [Member]
                        
Condensed Consolidating Statement of Operations                        
Revenues                     0  
Costs and expenses:                        
Operating costs and expenses                     0  
General and administrative costs                     10.5  
Total costs and expenses (see Note 14)                     10.5  
Equity in income of unconsolidated affiliates                     438.5  
Operating income                     428.0  
Other income (expense):                        
Interest expense                     (45.5)  
Other, net                     0.1  
Total other expense, net                     (45.4)  
Income before provision for income taxes                     382.6  
Provision for income taxes                     0  
Net income                     382.6  
Net loss (income) attributable to noncontrolling interests                     0  
Net income attributable to entity                     382.6  
Operating activities:                        
Net income                     382.6  
Reconciliation of net income to net cash flows provided by operating activities:                        
Depreciation, amortization and accretion                     2.1  
Equity in income of unconsolidated affiliates                     (438.5)  
Distributions received from unconsolidated affiliates                     355.4  
Net effect of changes in operating accounts and other operating activities                     (3.4)  
Net cash flows provided by operating activities                     298.2  
Investing activities:                        
Capital expenditures, net of contributions in aid of construction costs                     0  
Cash used for business combinations (see Note 10)                     0  
Other investing activities                     (37.9)  
Cash used in investing activities                     (37.9)  
Financing activities:                        
Borrowings under debt agreements                     117.6  
Repayments of debt                     (113.2)  
Cash distributions paid to partners                     (266.7)  
Cash distributions paid to noncontrolling interests                     0  
Cash contributions from noncontrolling interests                     0  
Net cash proceeds from issuance of common units                     0  
Cash contributions from owners                     0  
Other financing activities                     0  
Cash provided by (used in) financing activities                     (262.3)  
Effect of exchange rate changes on cash                     0  
Net change in cash and cash equivalents                     (2.0)  
Cash and cash equivalents (pre-Merger), January 1                     2.6  
Cash and cash equivalents (pre-Merger), December 31                     0.6  
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 0       0       0 0    
Inventories 0       0       0 0    
Prepaid and other current assets 0       0       0 0    
Total current assets 0       0       0 0    
Property, plant and equipment, net 0       0       0 0    
Investments in unconsolidated affiliates (12,114.5)       (11,375.5)       (12,114.5) (11,375.5)    
Intangible assets, net 0       0       0 0    
Goodwill 0       0       0 0    
Other assets 0       0       0 0    
Total assets (12,114.5)       (11,375.5)       (12,114.5) (11,375.5)    
Current liabilities:                        
Current maturities of debt 0       0       0 0    
Accounts payable - trade 0       0       0 0    
Accounts payable - related parties 0       0       0 0    
Accrued product payables 0       0       0 0    
Accrued interest 0       0       0 0    
Other current liabilities 0.1       0.1       0.1 0.1    
Total current liabilities 0.1       0.1       0.1 0.1    
Long-term debt 0       0       0 0    
Deferred tax liabilities (0.9)       (0.8)       (0.9) (0.8)    
Other long-term liabilities 0       0       0 0    
Commitments and contingencies                            
Equity:                        
Partners' and other owners' equity (12,096.1)       (11,361.6)       (12,096.1) (11,361.6)    
Noncontrolling interests (17.6)       (13.2)       (17.6) (13.2)    
Total equity (12,113.7)       (11,374.8)       (12,113.7) (11,374.8)    
Total liabilities and equity (12,114.5)       (11,375.5)       (12,114.5) (11,375.5)    
Condensed Consolidating Statement of Operations                        
Revenues                 0 0 0  
Costs and expenses:                        
Operating costs and expenses                 0 0 0  
General and administrative costs                 0 0 0  
Total costs and expenses (see Note 14)                 0 0 0  
Equity in income of unconsolidated affiliates                 (2,054.6) (1,427.2) (1,437.3)  
Operating income                 (2,054.6) (1,427.2) (1,437.3)  
Other income (expense):                        
Interest expense                 0 0 0  
Other, net                 0 0 0  
Total other expense, net                 0 0 0  
Income before provision for income taxes                 (2,054.6) (1,427.2) (1,437.3)  
Provision for income taxes                 (0.3) (0.3) (0.1)  
Net income                 (2,054.9) (1,427.5) (1,437.4)  
Net loss (income) attributable to noncontrolling interests                 1.1 (999.6) (811.6)  
Net income attributable to entity                 (2,053.8) (2,427.1) (2,249.0)  
Operating activities:                        
Net income                 (2,054.9) (1,427.5) (1,437.4)  
Reconciliation of net income to net cash flows provided by operating activities:                        
Depreciation, amortization and accretion                 0 0 1.3  
Equity in income of unconsolidated affiliates                 2,054.6 1,427.2 1,437.3  
Distributions received from unconsolidated affiliates                 (1,994.9) (1,714.4) (1,537.7)  
Net effect of changes in operating accounts and other operating activities                 0.5 279.9 6.1  
Net cash flows provided by operating activities                 (1,994.7) (1,434.8) (1,530.4)  
Investing activities:                        
Capital expenditures, net of contributions in aid of construction costs                 0 0 0  
Proceeds from asset sales                 0      
Cash used for business combinations (see Note 10)                   0 0  
Other investing activities                 546.9 1,653.6 945.4  
Cash used in investing activities                 546.9 1,653.6 945.4  
Financing activities:                        
Borrowings under debt agreements                 0 0 0  
Repayments of debt                 0 0 0  
Cash distributions paid to partners                 1,994.9 1,744.8 2,519.9  
Cash distributions paid to noncontrolling interests                 0 (1,405.4) (981.9)  
Cash contributions from noncontrolling interests                 (0.2) 1,098.9 875.5  
Net cash proceeds from issuance of common units                 0 0 (912.7)  
Cash contributions from owners                 (546.9) (1,653.7) (908.3)  
Other financing activities                 0 (3.6) 0  
Cash provided by (used in) financing activities                 1,447.8 (219.0) 592.5  
Effect of exchange rate changes on cash                   0 0  
Net change in cash and cash equivalents                 0 (0.2) 7.5  
Cash and cash equivalents, January 1       0       0.2 0 0.2    
Cash and cash equivalents, December 31 0       0       0 0 0.2  
Cash and cash equivalents (pre-Merger), January 1               0.2   0.2 (7.3)  
Cash and cash equivalents (pre-Merger), December 31                     $ 0.2  
[1] The total carrying amount of goodwill at December 31, 2011, 2010 and 2009 is net of $1.3 million of accumulated impairment charges.
[2] Long-term and current maturities of debt reflect the classification of such obligations at December 31, 2011 after taking into consideration the long-term refinancing of Senior Notes S and the TEPPCO Senior Notes due February 2012 using proceeds from the issuance of Senior Notes EE on February 15, 2012 (see Note 23).
[3] Amounts attributable to our general partner are negligible and therefore not presented.