Financial Instruments (Details) (Fair Value Measurements) (USD $) In Millions, unless otherwise specified
|
Dec. 29, 2012
|
Dec. 31, 2011
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
$ 477
|
$ 739
|
Current marketable securities, at fair value |
453
|
896
|
Noncurrent marketable securities, at fair value |
181
|
149
|
Other assets, at fair value |
24
|
10
|
Money Market Funds
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
402
|
738
|
Noncurrent marketable securities, at fair value |
13
|
9
|
Other assets, at fair value |
10
|
10
|
Corporate Bond Securities
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Noncurrent marketable securities, at fair value |
168
|
140
|
Commercial Paper
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
75
|
1
|
Current marketable securities, at fair value |
324
|
698
|
Time Deposits
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
100
|
160
|
Auction Rate Securities
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
28
|
38
|
Equity Securities
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
1
|
0
|
Mutual Funds
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Other assets, at fair value |
14
|
0
|
Quoted Prices In Active Markets For Identical Assets (Level 1)
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
402
|
738
|
Current marketable securities, at fair value |
1
|
0
|
Noncurrent marketable securities, at fair value |
13
|
9
|
Other assets, at fair value |
24
|
10
|
Total assets, at fair value |
440
|
757
|
Total liabilities, at fair value |
|
0
|
Quoted Prices In Active Markets For Identical Assets (Level 1) | Money Market Funds
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
402
|
738
|
Noncurrent marketable securities, at fair value |
13
|
9
|
Other assets, at fair value |
10
|
10
|
Quoted Prices In Active Markets For Identical Assets (Level 1) | Foreign Currency Derivative Contracts
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Foreign currency contracts, liabilities, at fair value |
|
0
|
Quoted Prices In Active Markets For Identical Assets (Level 1) | Corporate Bond Securities
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Noncurrent marketable securities, at fair value |
0
|
0
|
Quoted Prices In Active Markets For Identical Assets (Level 1) | Commercial Paper
|
|
|
Financial Instrument, 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 Instrument, 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 Instrument, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
0
|
0
|
Quoted Prices In Active Markets For Identical Assets (Level 1) | Equity Securities
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
1
|
|
Quoted Prices In Active Markets For Identical Assets (Level 1) | Mutual Funds
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Other assets, at fair value |
14
|
|
Significant Other Observable Inputs (Level 2)
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
75
|
1
|
Current marketable securities, at fair value |
424
|
858
|
Noncurrent marketable securities, at fair value |
168
|
140
|
Other assets, at fair value |
0
|
0
|
Total assets, at fair value |
667
|
999
|
Total liabilities, at fair value |
|
(2)
|
Significant Other Observable Inputs (Level 2) | Money Market Funds
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
0
|
0
|
Noncurrent marketable securities, at fair value |
0
|
0
|
Other assets, at fair value |
0
|
0
|
Significant Other Observable Inputs (Level 2) | Foreign Currency Derivative Contracts
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Foreign currency contracts, liabilities, at fair value |
|
(2)
|
Significant Other Observable Inputs (Level 2) | Corporate Bond Securities
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Noncurrent marketable securities, at fair value |
168
|
140
|
Significant Other Observable Inputs (Level 2) | Commercial Paper
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
75
|
1
|
Current marketable securities, at fair value |
324
|
698
|
Significant Other Observable Inputs (Level 2) | Time Deposits
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
100
|
160
|
Significant Other Observable Inputs (Level 2) | Auction Rate Securities
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
0
|
0
|
Significant Other Observable Inputs (Level 2) | Equity Securities
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
0
|
|
Significant Other Observable Inputs (Level 2) | Mutual Funds
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Other assets, at fair value |
0
|
|
Significant Unobservable Inputs (Level 3)
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
0
|
0
|
Current marketable securities, at fair value |
28
|
38
|
Noncurrent marketable securities, at fair value |
0
|
0
|
Other assets, at fair value |
0
|
0
|
Total assets, at fair value |
28
|
38
|
Total liabilities, at fair value |
|
0
|
Significant Unobservable Inputs (Level 3) | Money Market Funds
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Cash equivalents, at fair value |
0
|
0
|
Noncurrent marketable securities, at fair value |
0
|
0
|
Other assets, at fair value |
0
|
0
|
Significant Unobservable Inputs (Level 3) | Foreign Currency Derivative Contracts
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Foreign currency contracts, liabilities, at fair value |
|
0
|
Significant Unobservable Inputs (Level 3) | Corporate Bond Securities
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Noncurrent marketable securities, at fair value |
0
|
0
|
Significant Unobservable Inputs (Level 3) | Commercial Paper
|
|
|
Financial Instrument, 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 Instrument, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
0
|
0
|
Significant Unobservable Inputs (Level 3) | Auction Rate Securities
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
28
|
38
|
Significant Unobservable Inputs (Level 3) | Equity Securities
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Current marketable securities, at fair value |
0
|
|
Significant Unobservable Inputs (Level 3) | Mutual Funds
|
|
|
Financial Instrument, At Fair Value [Line Items] |
|
|
Other assets, at fair value |
$ 0
|
|