|**Commitments And Contingencies (Tables)**              | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                        
|------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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|**Commitments and Contingencies Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                       
|Schedule Of Product Warranty Liability                  | Changes in the Company’s product warranty liability during thethree and sixmonths endedJune 29, 2013andJune 30, 2012were as follows (in millions):Three Months EndedSix Months EndedJune 29, 2013June 30, 2012June 29, 2013June 30, 2012Balance at beginning of period$37$37$38$36Warranty expense recognized1133Warranty credits issued(1)—(4)(1)Balance at end of period$37$38$37$38
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|                                                        | Three Months Ended                                                                                                                                                                                                                                                                                                                                                                    
|                                                        | June 29, 2013                                                                                                                                                                                                                                                                                                                                                                         
|Balance at beginning of period                          | $                                                                                                                                                                                                                                                                                                                                                                                     
|Warranty expense recognized                             | 1                                                                                                                                                                                                                                                                                                                                                                                     
|Warranty credits issued                                 | (1                                                                                                                                                                                                                                                                                                                                                                                    
|Balance at end of period                                | $                                                                                                                                                                                                                                                                                                                                                                                     

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                    duration X- DefinitionTabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability.+ ReferencesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249+ Details**Name:**
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