Financial Instruments (Details) (Fair Value Measurements) (USD $) In Millions, unless otherwise specified
|
Jun. 29, 2013
|
Dec. 29, 2012
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
$ 245
|
$ 477
|
Current marketable securities, at fair value |
634
|
453
|
Noncurrent marketable securities, at fair value |
149
|
181
|
Other assets, at fair value |
31
|
24
|
Total assets, at fair alue |
1,059
|
1,135
|
Foreign currency derivative contracts, liability, at fair value |
(5)
|
|
Total liabilities, at fair value |
(5)
|
|
Money Market Funds
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
165
|
402
|
Noncurrent marketable securities, at fair value |
0
|
13
|
Other assets, at fair value |
18
|
10
|
Commercial Paper
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
80
|
75
|
Current marketable securities, at fair value |
519
|
324
|
Time Deposits
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
100
|
100
|
Auction Rate Securities
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
15
|
28
|
Marketable Equity Securities
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
0
|
1
|
Corporate Bonds
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Noncurrent marketable securities, at fair value |
149
|
168
|
Mutual Funds
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Other assets, at fair value |
13
|
14
|
Quoted Prices In Active Markets For Identical Assets (Level 1)
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
165
|
402
|
Current marketable securities, at fair value |
0
|
1
|
Noncurrent marketable securities, at fair value |
0
|
13
|
Other assets, at fair value |
31
|
24
|
Total assets, at fair alue |
196
|
440
|
Foreign currency derivative contracts, liability, at fair value |
0
|
|
Total liabilities, at fair value |
0
|
|
Quoted Prices In Active Markets For Identical Assets (Level 1) | Money Market Funds
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
165
|
402
|
Noncurrent marketable securities, at fair value |
|
13
|
Other assets, at fair value |
18
|
10
|
Quoted Prices In Active Markets For Identical Assets (Level 1) | Commercial Paper
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
0
|
0
|
Current marketable securities, at fair value |
0
|
0
|
Quoted Prices In Active Markets For Identical Assets (Level 1) | Time Deposits
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
0
|
0
|
Quoted Prices In Active Markets For Identical Assets (Level 1) | Auction Rate Securities
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
0
|
0
|
Quoted Prices In Active Markets For Identical Assets (Level 1) | Marketable Equity Securities
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
|
1
|
Quoted Prices In Active Markets For Identical Assets (Level 1) | Corporate Bonds
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Noncurrent marketable securities, at fair value |
0
|
0
|
Quoted Prices In Active Markets For Identical Assets (Level 1) | Mutual Funds
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Other assets, at fair value |
13
|
14
|
Significant Other Observable Inputs (Level 2)
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
80
|
75
|
Current marketable securities, at fair value |
619
|
424
|
Noncurrent marketable securities, at fair value |
149
|
168
|
Other assets, at fair value |
0
|
0
|
Total assets, at fair alue |
848
|
667
|
Foreign currency derivative contracts, liability, at fair value |
(5)
|
|
Total liabilities, at fair value |
(5)
|
|
Significant Other Observable Inputs (Level 2) | Money Market Funds
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
0
|
0
|
Noncurrent marketable securities, at fair value |
|
0
|
Other assets, at fair value |
0
|
0
|
Significant Other Observable Inputs (Level 2) | Commercial Paper
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
80
|
75
|
Current marketable securities, at fair value |
519
|
324
|
Significant Other Observable Inputs (Level 2) | Time Deposits
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
100
|
100
|
Significant Other Observable Inputs (Level 2) | Auction Rate Securities
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
0
|
0
|
Significant Other Observable Inputs (Level 2) | Marketable Equity Securities
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
|
0
|
Significant Other Observable Inputs (Level 2) | Corporate Bonds
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Noncurrent marketable securities, at fair value |
149
|
168
|
Significant Other Observable Inputs (Level 2) | Mutual Funds
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Other assets, at fair value |
0
|
0
|
Significant Unobservable Inputs (Level 3)
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
0
|
0
|
Current marketable securities, at fair value |
15
|
28
|
Noncurrent marketable securities, at fair value |
0
|
0
|
Other assets, at fair value |
0
|
0
|
Total assets, at fair alue |
15
|
28
|
Foreign currency derivative contracts, liability, at fair value |
0
|
|
Total liabilities, at fair value |
0
|
|
Significant Unobservable Inputs (Level 3) | Money Market Funds
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
0
|
0
|
Noncurrent marketable securities, at fair value |
|
0
|
Other assets, at fair value |
0
|
0
|
Significant Unobservable Inputs (Level 3) | Commercial Paper
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
0
|
0
|
Current marketable securities, at fair value |
0
|
0
|
Significant Unobservable Inputs (Level 3) | Time Deposits
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
0
|
0
|
Significant Unobservable Inputs (Level 3) | Auction Rate Securities
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
15
|
28
|
Significant Unobservable Inputs (Level 3) | Marketable Equity Securities
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
|
0
|
Significant Unobservable Inputs (Level 3) | Corporate Bonds
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Noncurrent marketable securities, at fair value |
0
|
0
|
Significant Unobservable Inputs (Level 3) | Mutual Funds
|
|
|
Financial Instruments, At Fair Value [Line Items] |
|
|
Other assets, at fair value |
$ 0
|
$ 0
|