Discontinued Operations (Details Textuals) (USD $) In Millions	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Discontinued Operations (Textuals) [Abstract]
Income (loss) from discontinued operations, net of income tax	$ 4	$ 3	$ (6)	$ 20
Real Estate [Member]
Discontinued Operations (Textuals) [Abstract]
Real Estate Held-for-sale	7		7		141
Income (loss) from discontinued operations, net of income tax	$ 15	$ (5)	$ 65	$ 5

This element represents the overall income (loss) from a disposal group that is classified as a component of the entity, net of income tax, reported as a separate component of income before extraordinary items before deduction or consideration of the amount which may be allocable to noncontrolling interests, if any. Includes the following (net of tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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+ Details