v2.4.0.8
Income Taxes (Gross Unrecognized Tax Benefits) (Detail) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Sep. 01, 2013
Sep. 02, 2012
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Gross unrecognized tax benefit at beginning of year $ 116 $ 106
Gross increases—current year tax positions 10 15
Gross increases—tax positions in prior years 5 3
Gross decreases—tax positions in prior years (13) (3)
Settlements (38) (3)
Lapse of statute of limitations 0 (2)
Gross unrecognized tax benefit at end of year $ 80 $ 116