Long-Term Debt (Details) (USD $)
In Millions, unless otherwise specified
0 Months Ended 9 Months Ended 0 Months Ended 0 Months Ended
May 24, 2010
Oct. 30, 2010
Mar. 01, 2010
8.0% Notes due 2010 [Member]
May 24, 2010
5.65% Senior Notes Due 2020 [Member]
May 24, 2010
6.375% Senior Notes Due 2036 [Member]
May 25, 2010
6.375% Senior Notes Due 2036 [Member]
Notes and debentures       $ 400    
Voluntary cash contribution to Pension Plan 392 392        
Senior debt repayment at maturity     393      
Amount of cash tender offer for purchase           314
Purchase principal amount of notes purchased         $ 300