Fair Value Measurements (Details 3) (Fair Value, Measurements, Nonrecurring [Member], USD $) In Millions, unless otherwise specified	9 Months Ended
	Nov. 26, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment	$ 124
Total	127
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment	0
Total	0
Tradenames
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Tradename	3
Tradenames | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Tradename	$ 0