2.2.0.25truefalse000310 - Statement - CONSOLIDATED AND SECTOR BALANCE SHEET (Parenthetical)truefalseIn Millions, except Per Share datafalse1falsefalseUSDfalsefalse12/31/2010
USD ($)
$Cur_20101231http://www.sec.gov/CIK0000037996instant2010-12-31T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0SharesStandardhttp://ww
w.xbrl.org/2003/instancesharesxbrli0USDUSD$2falsefalseUSDfalsefalse12/31/2009
USD ($)
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12/31/2010
USD ($) / shares
USD ($)
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12/31/2010
USD ($) / shares
USD ($)
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-Name Regulation S-X (SX)
-Number 210
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xbrli:sharesItemTypesharesTotal number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
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-Paragraph 30
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xbrli:sharesItemTypesharesThe maximum number of common shares permitted to be issued by an entity's charter and bylaws.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 30
-Article 5
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