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Business Segment Information (Schedule Of Segment Information) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Segment Reporting Information [Line Items] |  |
Segment margin | $ 72,065 | $ 60,252
Capital expenditures | 101,815 | 288,169
External customers | 1,147,214 | 960,717
Intersegment | 0 | 0
Total revenues | 1,147,214 | 960,717
Pipeline Transportation [Member] |  |
Segment Reporting Information [Line Items] |  |
Segment margin | 25,196 | 25,347
Capital expenditures | 83,852 | 246,428
External customers | 17,305 | 14,976
Intersegment | 3,474 | 4,433
Total revenues | 20,779 | 19,409
Refinery Services [Member] |  |
Segment Reporting Information [Line Items] |  |
Segment margin | 17,965 | 17,249
Capital expenditures | 352 | 910
External customers | 52,179 | 50,373
Intersegment | (2,695) | (2,328)
Total revenues | 49,484 | 48,045
Supply And Logistics [Member] |  |
Segment Reporting Information [Line Items] |  |
Segment margin | 28,904 | 17,656
Capital expenditures | 17,611 | 40,831
External customers | 1,077,730 | 895,368
Intersegment | (779) | (2,105)
Total revenues | 1,076,951 | 893,263
Sekco [Member] | Pipeline Transportation [Member] |  |
Segment Reporting Information [Line Items] |  |
Capital expenditures | 64,500 | 33,500
Gulf Of Mexico Crude Oil Pipelines [Member] | Pipeline Transportation [Member] |  |
Segment Reporting Information [Line Items] |  |
Capital expenditures | $ 205,600 |

X
- Definition Revenues less product costs, operating expenses (excluding non-cash charges such as depreciation and amortization), and segment general and administrative expenses, plus our equity in distributable cash generated by our equity investees. Also excludes the non-cash effects of our stock appreciation rights compensation plan and includes the non-income portion of payments received under direct financing leases. + References No definition available. + Details
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X
- Definition Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 28 -Subparagraph b -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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X
- Definition Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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X
- Definition Amount of revenue from external customers for the reportable segment. Such disclosure is presented if the amount is: (a) included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph a -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 revenue from transactions with other operating segments of the same entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph b -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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