Financial Instruments (Financial Instruments Measured On Recurring Basis) (Details) (USD $) In Millions |
Oct. 01, 2011 |
Dec. 25, 2010 |
Portion At Fair Value, Fair Value Disclosure [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Total assets measured at fair value |
$ 1,715
|
$ 1,669
|
Portion At Fair Value, Fair Value Disclosure [Member] | Foreign Currency Derivative Contracts [Member] | Accrued Liabilities [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Classified as accrued liabilities - Foreign currency derivative contracts |
(7)
|
(3)
|
Portion At Fair Value, Fair Value Disclosure [Member] | Foreign Currency Derivative Contracts [Member] | Accrued Liabilities [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Classified as accrued liabilities - Foreign currency derivative contracts |
(7)
|
(3)
|
Portion At Fair Value, Fair Value Disclosure [Member] | Accrued Liabilities [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Total liabilities measured at fair value |
(7)
|
(3)
|
Portion At Fair Value, Fair Value Disclosure [Member] | Accrued Liabilities [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Total liabilities measured at fair value |
(7)
|
(3)
|
Portion At Fair Value, Fair Value Disclosure [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Total assets measured at fair value |
401
|
443
|
Portion At Fair Value, Fair Value Disclosure [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Total assets measured at fair value |
1,269
|
1,169
|
Portion At Fair Value, Fair Value Disclosure [Member] | Significant Unobservable Inputs (Level 3) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Total assets measured at fair value |
45
|
57
|
Cash Equivalents [Member] | Money Market Funds [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Cash equivalents |
362
|
405
|
Cash Equivalents [Member] | Money Market Funds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Cash equivalents |
362
|
405
|
Other Assets [Member] | Money Market Funds [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Other assets |
10
|
29
|
Other Assets [Member] | Money Market Funds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Other assets |
10
|
29
|
Long-Term Marketable Securities [Member] | Money Market Funds [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
29
|
|
Long-Term Marketable Securities [Member] | Money Market Funds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
29
|
|
Long-Term Marketable Securities [Member] | Corporate Bonds [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
21
|
|
Long-Term Marketable Securities [Member] | Corporate Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
21
|
|
Cash Equivalents [Member] | Commercial Paper [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Cash equivalents |
111
|
51
|
Cash Equivalents [Member] | Commercial Paper [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Cash equivalents |
111
|
51
|
Current Marketable Securities [Member] | Commercial Paper [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
952
|
983
|
Current Marketable Securities [Member] | Commercial Paper [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
952
|
983
|
Current Marketable Securities [Member] | Time Deposits [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
185
|
135
|
Current Marketable Securities [Member] | Time Deposits [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
185
|
135
|
Current Marketable Securities [Member] | Equity Securities [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
|
8
|
Current Marketable Securities [Member] | Equity Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
|
8
|
Other Assets [Member] | Equity Securities [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Other assets |
|
1
|
Other Assets [Member] | Equity Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Other assets |
|
1
|
Current Marketable Securities [Member] | Auction Rate Securities [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
45
|
57
|
Current Marketable Securities [Member] | Auction Rate Securities [Member] | Significant Unobservable Inputs (Level 3) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
45
|
57
|
Cash Equivalents [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Cash equivalents |
473
|
456
|
Cash Equivalents [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Cash equivalents |
362
|
405
|
Cash Equivalents [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Cash equivalents |
111
|
51
|
Current Marketable Securities [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
1,182
|
1,183
|
Current Marketable Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
|
8
|
Current Marketable Securities [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
1,137
|
1,118
|
Current Marketable Securities [Member] | Significant Unobservable Inputs (Level 3) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
45
|
57
|
Other Assets [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Other assets |
10
|
30
|
Other Assets [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Other assets |
10
|
30
|
Long-Term Marketable Securities [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
50
|
|
Long-Term Marketable Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
29
|
|
Long-Term Marketable Securities [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
Schedule of Available-for-sale Securities and Other Financial Instruments [Line Items] |
|
|
Marketable securities |
$ 21
|
|