2.2.0.25falsefalse03160 - Disclosure - Earnings Per Common Share (Tables)truefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $FROM_Jan01_2010_TO_Dec31_2010http://www.sec.gov/CIK0000899881duration2010-01-01T00:00:002010-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170EPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0pld_EarningsPerCommonShareAbstractpldfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseEarnings per Common Share [Abstract]3false0pld_EarningsPerCommonShareTextBlockpldfalsenadurationEarnings Per Common Share Tablefalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 13px"><td style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 400px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:400px;"> </td><td style="width: 3px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:3px;"> </td><td colspan="2" style="width: 70px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:70px;">2010 (1)</td><td style="width: 3px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:3px;"> </td><td colspan="2" style="width: 70px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:70px;">2009 (1)</td><td style="width: 3px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:3px;"> </td><td colspan="2" style="width: 70px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:70px;">2008 (1)</td></tr><tr style="height: 14px"><td colspan="2" style="width: 409px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:409px;">Net loss attributable to common shares</td><td style="width: 3px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:8px;">$</td><td style="width: 62px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:62px;"> (1,295,920)</td><td style="width: 3px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:8px;">$</td><td style="width: 62px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:62px;"> (2,650)</td><td style="width: 3px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:8px;">$</td><td style="width: 62px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:62px;"> (479,226)</td></tr><tr style="height: 10px"><td colspan="2" style="width: 409px; text-align:left;border-color:#000000;min-width:409px;"> </td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-top-style:solid;border-top-width:2px;text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 62px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:62px;"> </td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-top-style:solid;border-top-width:2px;text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 62px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:62px;"> </td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-top-style:solid;border-top-width:2px;text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 62px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:62px;"> </td></tr><tr style="height: 14px"><td colspan="2" style="width: 409px; text-align:left;border-color:#000000;min-width:409px;">Weighted average common shares outstanding - Basic and Diluted (2)</td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 62px; text-align:right;border-color:#000000;min-width:62px;"> 491,744</td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 62px; text-align:right;border-color:#000000;min-width:62px;"> 403,149</td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 62px; text-align:right;border-color:#000000;min-width:62px;"> 262,729</td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 400px; text-align:left;border-color:#000000;min-width:400px;"> </td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-top-style:solid;border-top-width:2px;text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 62px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:62px;"> </td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-top-style:solid;border-top-width:2px;text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 62px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:62px;"> </td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-top-style:solid;border-top-width:2px;text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 62px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:62px;"> </td></tr><tr style="height: 14px"><td colspan="2" style="width: 409px; text-align:left;border-color:#000000;min-width:409px;">Net earnings (loss) per share attributable to common shares - Basic</td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-bottom-style:solid;border-bottom-width:2px;text-align:center;border-color:#000000;min-width:8px;">$</td><td style="width: 62px; border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:62px;"> (2.64)</td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-bottom-style:solid;border-bottom-width:2px;text-align:center;border-color:#000000;min-width:8px;">$</td><td style="width: 62px; border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:62px;"> (0.01)</td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-bottom-style:solid;border-bottom-width:2px;text-align:center;border-color:#000000;min-width:8px;">$</td><td style="width: 62px; border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:62px;"> (1.82)</td></tr><tr style="height: 14px"><td colspan="2" style="width: 409px; text-align:left;border-color:#000000;min-width:409px;"> </td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-top-style:solid;border-top-width:2px;text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 62px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:62px;"> </td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-top-style:solid;border-top-width:2px;text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 62px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:62px;"> </td><td style="width: 3px; text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-top-style:solid;border-top-width:2px;text-align:center;border-color:#000000;min-width:8px;"> </td><td style="width: 62px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:62px;"> </td></tr><tr style="height: 14px"><td colspan="2" style="width: 409px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:409px;">Net earnings (loss) per share attributable to common shares - Diluted</td><td style="width: 3px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:8px;">$</td><td style="width: 62px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:62px;"> (2.64)</td><td style="width: 3px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:8px;">$</td><td style="width: 62px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:62px;"> (0.01)</td><td style="width: 3px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:3px;"> </td><td style="width: 8px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:8px;">$</td><td style="width: 62px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:62px;"> (1.82)</td></tr></table></div>(1) In periods with a net loss, the inclusion of any incremental shares is anti-dilutive, and therefore, both basic and diluted shares are the same. (2) Total weighted average potentially dilutive share awards outstanding (in thousands) for years 2010, 2009 and 2008 were 10,076, 11,539 and 10,204, respectively.    2010 (1) 2009 (1) 2008 (1)Net loss attributable to common shares $ (1,295,920) $ (2,650) $falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringEarnings Per Common Share TableNo authoritative reference available.falsefalseEarnings per common share12Earnings Per Common Share (Tables)UnKnownUnKnownUnKnownUnKnownfalsetrue