Accounts Receivable Sales Program	9 Months Ended
Accounts Receivable Sales Program	Sep. 30, 2013
Transfers and Servicing [Abstract]
Accounts Receivable Sales Program	Accounts Receivable Sales Program We participated in an accounts receivable sales program where we sold receivables in their entirety to a third-party financial institution (through a wholly owned special purpose entity). In connection with our accounts receivable sales, we received a portion of the sales proceeds up front and received an additional amount upon the collection of the underlying receivables, which we refer to as deferred purchase price. During the nine months ended September 30, 2012, we sold $168 million of accounts receivable to the third-party financial institution for which we received $102 million of cash up front and had a deferred purchase price of $66 million. We received $68 million for the nine months ended September 30, 2012 of cash when the underlying receivables were collected during 2012. Losses recognized on the sale of accounts receivable were immaterial for the 2012 nine month period. The accounts receivable sales program was terminated in June 2012. For a further discussion of our accounts receivable sales program, see our 2012 Form 10-K.

The entire disclosure for a transferor's continuing involvement in financial assets that it has transferred in a securitization or asset-backed financing arrangement, the nature of any restrictions on assets reported by an entity in its statement of financial position that relate to a transferred financial asset (including the carrying amounts of such assets), how servicing assets and servicing liabilities are reported, and (for securitization or asset-backed financing arrangements accounted for as sales) when a transferor has continuing involvement with the transferred financial assets and transfers of financial assets accounted for as secured borrowings, how the transfer of financial assets affects an entity's financial position, financial performance, and cash flows.

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