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    <Log type="Info">'Monetary' elements on report '1100 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '1107 - Disclosure - FAIR VALUE MEASUREMENTS - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '1108 - Disclosure - PENSIONS AND OTHER POSTRETIREMENT BENEFITS - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '1120 - Disclosure - UNIT-BASED COMPENSATION PLANS - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '1124 - Disclosure - EMPLOYEE STOCK OWNERSHIP PLAN - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Shares' elements on report '1127 - Disclosure - Reconciliation of BGH's Common Units and Management Units and Conversion to Buckeye's LP Units Outstanding (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Shares' elements on report '1131 - Disclosure - EARNINGS PER UNIT - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '1133 - Disclosure - REORGANIZATION - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '1138 - Disclosure - Financial Information about each Segment, Adjusted EBITDA and Reconciliation of Adjusted EBITDA to Net Income (Loss) Attributable to Unitholders (Parenthetical) (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '1141 - Disclosure - Summarized Quarterly Financial Data (Parenthetical) (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 1003 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Dec. 31, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Sep. 30, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Mar. 31, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Dec. 31, 2010'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Sep. 30, 2010'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2010'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Mar. 31, 2010'</Log>
    <Log type="Info">Process Flow-Through: 1004 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Dec. 31, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Sep. 30, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Mar. 31, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Dec. 31, 2010'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Sep. 30, 2010'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2010'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Mar. 31, 2010'</Log>
    <Log type="Info">Process Flow-Through: 1005 - Statement - CONSOLIDATED BALANCE SHEETS</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2009'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2008'</Log>
    <Log type="Info">Process Flow-Through: 1006 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Nov. 19, 2010'</Log>
    <Log type="Info">Process Flow-Through: 1007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</Log>
    <Log type="Info">Process Flow-Through: 1009 - Statement - CONSOLIDATED STATEMENTS OF PARTNERS' CAPITAL (Parenthetical)</Log>
  </Logs>
  <InputFiles>
    <File>bpl-20111231.xml</File>
    <File>bpl-20111231.xsd</File>
    <File>bpl-20111231_cal.xml</File>
    <File>bpl-20111231_def.xml</File>
    <File>bpl-20111231_lab.xml</File>
    <File>bpl-20111231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
