Available for sale securities continuous unrealized loss position less than 12 months number of securities.

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- Definition

Available for sale securities continuous unrealized loss position twelve months or longer number of securities.

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- Definition

Minimum percentage of corporate debt securities rated as a minus in continuing operations.

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- Definition

Minimum percentage of corporate debt securities rated as a minus in discontinuous operations.

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- Definition

Other than temporary impairment losses on unrealized loss associated with securities.

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- Definition

Percentage of asset backed securities rated.

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

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This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

+ References

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This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

+ References

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The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

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The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis.

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Securities (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012 Securities	Jun. 30, 2011	Jun. 30, 2012 Securities	Jun. 30, 2011	Dec. 31, 2011 Securities
Securities (Textual) [Abstract]
Number of securities (less than one year)	10		10		28
Number of securities (greater than one year)	5		5
Aggregate value	$ 1		$ 1
OTTI losses	0		0
Other than Temporary Impairment Losses on unrealized loss	1
Securities available-for-sale	151		151		188
Gross realized gains/losses	0	0	0	0
Maximum [Member]
Securities (Textual) [Abstract]
OTTI losses		1		1
Corporate Debt Securities [Member] \| Fitch, A- Rating [Member]
Securities (Textual) [Abstract]
In continuing operation, corporate debt securities rating A- or better	93.00%		93.00%		90.00%
In discontinuous operations, corporate debt securities rating A- or better	86.00%		86.00%		88.00%
Asset-backed securities [Member] \| Fitch, AAA Rating [Member]
Securities (Textual) [Abstract]
Asset-backed securities rated "AAA"	91.00%		91.00%		91.00%
Securities available-for-sale	$ 22		$ 22		$ 27