XML 90 R91.htm IDEA: XBRL DOCUMENT v2.4.0.6
Commitments And Guarantees (Schedule Of Changes In Product Warranty Liability) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 25, 2010
Commitments And Guarantees [Abstract]    
Beginning balance $ 19 $ 19
New warranties issued during the period 35 34
Settlements during the period (36) (35)
Changes in liability for pre-existing warranties during the period, including expirations 2 1
Ending balance $ 20 $ 19