XML 17 R23.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Fair Value Measurements (Tables)
3 Months Ended
Apr. 29, 2011
Fair Value Measurements [Abstract]  
Fair Value, Assets and Liabilities Measured on Recurring Basis [Text Block]
 
April 29, 2011
 
January 28, 2011
 
Level 1
 
Level 2
 
Level 3
 
Total
 
Level 1
 
Level 2
 
Level 3
 
Total
 
Quoted
Prices
in Active
Markets for
Identical
Assets
 
Significant
Other
Observable
Inputs
 
Significant
Unobservable
Inputs
 
 
 
Quoted
Prices
in Active
Markets for
Identical
Assets
 
Significant
Other
Observable
Inputs
 
Significant
Unobservable
Inputs
 
 
 
 
 
 
 
 
 
(in millions)
 
 
 
 
 
 
Assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash equivalents:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Money market funds
$
9,579
 
 
$
—
 
 
$
—
 
 
$
9,579
 
 
$
6,261
 
 
$
—
 
 
$
—
 
 
$
6,261
 
Commercial paper
—
 
 
1,390
 
 
—
 
 
1,390
 
 
—
 
 
2,945
 
 
—
 
 
2,945
 
U.S. government and agencies
—
 
 
16
 
 
—
 
 
16
 
 
—
 
 
1,699
 
 
—
 
 
1,699
 
Debt Securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
U.S. government and agencies
—
 
 
27
 
 
—
 
 
27
 
 
—
 
 
79
 
 
—
 
 
79
 
U.S. corporate
—
 
 
524
 
 
34
 
 
558
 
 
—
 
 
464
 
 
32
 
 
496
 
International corporate
—
 
 
466
 
 
—
 
 
466
 
 
—
 
 
457
 
 
—
 
 
457
 
Equity and other securities
—
 
 
113
 
 
—
 
 
113
 
 
—
 
 
109
 
 
—
 
 
109
 
Derivative instruments
—
 
 
60
 
 
—
 
 
60
 
 
—
 
 
27
 
 
—
 
 
27
 
Total assets
$
9,579
 
 
$
2,596
 
 
$
34
 
 
$
12,209
 
 
$
6,261
 
 
$
5,780
 
 
$
32
 
 
$
12,073
 
Liabilities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Derivative instruments
$
—
 
 
$
159
 
 
$
—
 
 
$
159
 
 
$
—
 
 
$
28
 
 
$
—
 
 
$
28
 
Total liabilities
$
—
 
 
$
159
 
 
$
—
 
 
$
159
 
 
$
—
 
 
$
28
 
 
$
—
 
 
$
28