Supplemental Information (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Supplemental Information
Net unrealized gains from trading securities	$ 4.2		$ 11.6
Realized gains from available-for-sale debt and equity securities		88.2
Net realized gains from trading securities		2.5
Net realized gains from debt securities			$ 14.0

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This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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-Publisher FASB

-Name Accounting Standards Codification

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The difference between the carrying value and the sale price of debt securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale.

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This item represents the gain (loss) realized during the period from the sale of trading securities.

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Amount of unrealized holding gain (loss) recognized in the income statement for investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading.

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