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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 205G
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44C
-Subparagraph b
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1/1/2009 - 12/31/2009
USD ($)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 205G
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44C
-Subparagraph b
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Losses on written options related to book-value protection provided to stable value funds are recorded in other expenses, and totaled approximately $5 million for the year ended December 31, 2010. 220Derivative Financial Instruments (Schedule of Effect of Derivative Financial Instrument on Consolidated Statement of Income) (Details) (USD $)MillionsUnKnownUnKnownUnKnownfalsetrue
