Discontinued Operations (Major Classes of Assets and Liabilities Related to Discontinued Operations and Classified as Held for Sale in the Balance Sheet) (Details) (USD $) In Millions	Dec. 31, 2010
Discontinued Operations
Receivables, net	$ 253
Goodwill and other assets	143
Assets of discontinued operation held for sale	396
Accounts payable and accrued expenses	125
Other liabilities	79
Liabilities of discontinued operation held for sale	$ 204

For the disposal group, including a component of the entity (discontinued operation), the aggregate of amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection and net of any write-downs taken for collection uncertainty on the part of the holder, respectively.

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Carrying value as of the balance sheet date of current obligations (due less than one year or one operating cycle, if longer) arising from the sale, disposal or planned sale in the near future (generally within one year) of a disposal group, including a component of the entity (discontinued operation).

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