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12/31/2010
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Name Accounting Research Bulletin (ARB)
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Substantially composed of securities guaranteed by the federal government with respect to the payment of principal and interest. 2
Composed primarily of asset-backed, foreign government and corporate debt securities. 3
Composed primarily of asset-backed and corporate debt securities. 328Investment Securities (Schedule of Marketable Securities) (Details) (USD $)MillionsUnKnownUnKnownUnKnownfalsetrue