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Acquisitions (Details) (USD $) In Millions, unless otherwise specified |  | 1 Months Ended |  |  | 3 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 31, 2012 | Apr. 30, 2012 BP NGL Acquisition Y | Oct. 31, 2011 BP NGL Acquisition | Apr. 02, 2012 BP NGL Acquisition bcfperday barrel barrelperday plant mi railcar | Mar. 31, 2012 BP NGL Acquisition | Mar. 31, 2012 Other Acquisitions entity
Business acquisition |  |  |  |  |  |
Purchase price |  |  |  | $ 1,670 |  | $ 21
Purchase price: Cash deposit |  |  | 50 |  |  |
Interest paid at closing (as a percent) |  |  |  | 2.00% |  |
Restricted cash (Note 4) | 1,632 |  |  |  | 1,630 |
Contractual rights related to NGL pipelines acquired (in miles) |  |  |  | 2,600 |  |
NGL storage capacity acquired (in barrels) |  |  |  | 20,000,000 |  |
Number of fractionation plants acquired |  |  |  | 7 |  |
Aggregate net capacity of fractionation plants acquired (in barrels per day) |  |  |  | 232,000 |  |
Number of straddle plants acquired |  |  |  | 4 |  |
Number of field gas processing plants acquired |  |  |  | 2 |  |
Aggregate capacity of field gas processing plants acquired (in Bcf per day) |  |  |  | 6 |  |
Long-term and seasonal NGL inventories acquired (in barrels) |  |  |  | 8,000,000 |  |
Throughput capacity of straddle plant acquired (in Bcf per day) |  |  |  | 2.5 |  |
Number of rail cars under long-term leases acquired |  |  |  | 720 |  |
Number of years sourcing services for gas supply will be provided after acquisition |  | 2 |  |  |  |
Number of additional acquisitions completed (in entities) |  |  |  |  |  | 2
Goodwill |  |  |  |  |  | $ 10

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- Definition The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 52 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 53 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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