|
Commitments And Contingencies (Changes In Company's Potential Liability For Product Warranty) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 29, 2012
|
Oct. 01, 2011
|
Sep. 29, 2012
|
Oct. 01, 2011
|
|
| Commitments and Contingencies Disclosure [Abstract] | ||||
| Beginning balance | $ 18 | $ 19 | $ 20 | $ 19 |
| New warranties issued | 6 | 10 | 22 | 27 |
| Settlements | (7) | (9) | (23) | (27) |
| Changes in liability for pre-existing warranties, including expirations | 0 | 0 | (2) | 1 |
| Ending balance | $ 17 | $ 20 | $ 17 | $ 20 |