Receivables (Narrative) (Details) (USD $)	6 Months Ended
Jun. 29, 2013	Jun. 30, 2012
Receivables [Abstract]
Client cash collections	$ 1,500,000,000	$ 1,400,000,000
Cash collections received from third party arrangements with nonrecourse payment assignments	$ 30,000,000	$ 32,500,000

Cash receipts from customers during the current period which are usually for sales of goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

Name:	us-gaap_ProceedsFromCustomers
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration