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Financial Instruments (Financial Instruments Measured On Recurring Basis Using Significant Unobservable Input Level 3) (Details) (USD $)
In Millions |
3 Months Ended | 6 Months Ended | ||
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Jul. 02, 2011
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Jun. 26, 2010
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Jul. 02, 2011
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Jun. 26, 2010
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Auction Rate Securities [Member]
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| Beginning balance | $ 57 | $ 150 | $ 57 | $ 159 |
| Redemption at par | (6) | (40) | (6) | (48) |
| Gain (loss) included in net income | 1 | 1 | 1 | 1 |
| Change in fair value included in other comprehensive income (loss) | 0 | (3) | (4) | |
| Ending balance | 52 | 108 | 52 | 108 |
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UBS Put Option [Member]
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| Beginning balance | 2 | 2 | ||
| Redemption at par | 0 | |||
| Gain (loss) included in net income | (1) | (1) | ||
| Change in fair value included in other comprehensive income (loss) | 0 | |||
| Ending balance | $ 1 | $ 1 | ||
| X | ||||||||||
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- Definition
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Redemption At Par
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| X | ||||||||||
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- Definition
This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in other comprehensive income (a separate component of shareholders' equity). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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