Investments (Tables)

6 Months Ended

Feb. 12, 2012

Investments [Abstract]

Available-For-Sale And Held-To-Maturity Investments

February 12, 2012:	Cost Basis		Unrealized Gains		Recorded Basis
Available-for-sale:
U.S. government and agency securities	$	1,047	$	6	$	1,053
Corporate notes and bonds		57		1		58
FDIC-insured corporate bonds		166		1		167
Asset and mortgage-backed securities		10		0		10
Total available-for-sale		1,280		8		1,288
Held-to-maturity:
Certificates of deposit		108				108
Total short-term investments	$	1,388	$	8	$	1,396
August 28, 2011:	Cost Basis		Unrealized Gains		Recorded Basis
Available-for-sale:
U.S. government and agency securities	$	1,096	$	8	$	1,104
Corporate notes and bonds		6		1		7
FDIC-insured corporate bonds		208		1		209
Asset and mortgage-backed securities		12		0		12
Total available-for-sale		1,322		10		1,332
Held-to-maturity:
Certificates of deposit		272				272
Total short-term investments	$	1,594	$	10	$	1,604

Proceeds From Sales Of Available-For-Sale Securities

	12 Weeks Ended				24 Weeks Ended
	February 12, 2012		February 13, 2011		February 12, 2012		February 13, 2011
Proceeds	$	96	$	177	$	191	$	414

Maturities Of Securities Excluding Trading Securities

	Available-For-Sale				Held-To-Maturity
	Cost Basis		Fair Value		Cost Basis		Fair Value
Due in one year or less	$	956	$	958	$	108	$	108
Due after one year through five years		318		324		0		0
Due after five years		6		6		0		0
	$	1,280	$	1,288	$	108	$	108