Fair Value Measurements (Tables)
9 Months Ended
May 30, 2013
Table Text Block [Abstract]  
Assets measured at fair value on a recurring basis
Assets measured at fair value on a recurring basis were as follows:

As of
 
May 30, 2013
 
August 30, 2012
 
 
Level 1
 
Level 2
 
Level 3
 
Total
 
Level 1
 
Level 2
 
Level 3
 
Total
Cash equivalents:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Money market funds
 
$
2,018

 
$
—

 
$
—

 
$
2,018

 
$
2,159

 
$
—

 
$
—

 
$
2,159

Commercial paper
 
—

 
54

 
—

 
54

 
—

 
29

 
—

 
29

Certificates of deposit
 
—

 
32

 
—

 
32

 
—

 
27

 
—

 
27

Government securities
 
—

 
—

 
—

 
—

 
—

 
5

 
—

 
5

 
 
2,018

 
86

 
—

 
2,104

 
2,159

 
61

 
—

 
2,220

Short-term investments:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Corporate bonds
 
—

 
45

 
—

 
45

 
—

 
31

 
—

 
31

Government securities
 
—

 
41

 
—

 
41

 
—

 
51

 
—

 
51

Commercial paper
 
—

 
25

 
—

 
25

 
—

 
10

 
—

 
10

Certificates of deposit
 
—

 
1

 
—

 
1

 
—

 
4

 
—

 
4

Asset-backed securities
 
—

 
—

 
—

 
—

 
—

 
4

 
—

 
4

 
 
—

 
112

 
—

 
112

 
—

 
100

 
—

 
100

Long-term marketable investments:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Corporate bonds
 
—

 
211

 
—

 
211

 
—

 
203

 
—

 
203

Asset-backed securities
 
—

 
72

 
—

 
72

 
—

 
73

 
—

 
73

Government securities
 
—

 
55

 
—

 
55

 
—

 
88

 
—

 
88

Marketable equity securities
 
7

 
2

 
—

 
9

 
5

 
5

 
—

 
10

 
 
7

 
340

 
—

 
347

 
5

 
369

 
—

 
374

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$
2,025

 
$
538

 
$
—

 
$
2,563

 
$
2,164

 
$
530

 
$
—

 
$
2,694



Estimated fair value and carrying value of debt instruments
The estimated fair value and carrying value of debt instruments (carrying value excludes the equity components of our convertible notes classified in equity) were as follows:

As of
 
May 30, 2013
 
August 30, 2012
 
 
Fair
Value
 
Carrying
Value
 
Fair
Value
 
Carrying
Value
Convertible notes
 
$
3,825

 
$
2,484

 
$
2,669

 
$
2,321

Other notes
220

 
228

 
56

 
58