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Cash and Investments, Available-for-Sale Investments (Tables) | 6 Months Ended
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Jun. 29, 2013
Available-for-Sale Investments (Tables) [Abstract] |
Schedule of Available-for-sale Securities Reconciliation [Table Text Block] | Available-for-sale investments at the end of each period were as follows:
|  | June 29, 2013 |  | December 29, 2012
(In Millions) |  | Adjusted Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |  | Adjusted Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Asset-backed securities |  | $ | 12 |  |  | $ | — |  |  | $ | (3 | ) |  | $ | 9 |  |  | $ | 14 |  |  | $ | — |  |  | $ | (3 | ) |  | $ | 11 |
Bank deposits |  | 2,068 |  |  | 3 |  |  | (1 | ) |  | 2,070 |  |  | 1,417 |  |  | 1 |  |  | — |  |  | 1,418 |
Commercial paper |  | 4,389 |  |  | — |  |  | — |  |  | 4,389 |  |  | 4,184 |  |  | 1 |  |  | — |  |  | 4,185 |
Corporate bonds |  | 2,624 |  |  | 14 |  |  | (5 | ) |  | 2,633 |  |  | 635 |  |  | 8 |  |  | (1 | ) |  | 642 |
Government bonds |  | 1,794 |  |  | — |  |  | (2 | ) |  | 1,792 |  |  | 2,235 |  |  | — |  |  | — |  |  | 2,235 |
Marketable equity securities |  | 3,353 |  |  | 2,013 |  |  | (5 | ) |  | 5,361 |  |  | 3,356 |  |  | 1,069 |  |  | (1 | ) |  | 4,424 |
Money market fund deposits |  | 100 |  |  | — |  |  | (1 | ) |  | 99 |  |  | 1,086 |  |  | — |  |  | — |  |  | 1,086 |
Total available-for-sale investments |  | $ | 14,340 |  |  | $ | 2,030 |  |  | $ | (17 | ) |  | $ | 16,353 |  |  | $ | 12,927 |  |  | $ | 1,079 |  |  | $ | (5 | ) |  | $ | 14,001 |
Available-for-sale Securities [Member] |
Available-for-Sale Investments (Tables) [Abstract] |
Investments Classified by Contractual Maturity Date [Table Text Block] | The amortized cost and fair value of available-for-sale debt investments as of June 29, 2013, by contractual maturity, were as follows:
(In Millions) |  | Cost |  | Fair Value
Due in 1 year or less |  | $ | 9,247 |  |  | $ | 9,251 |
Due in 1–2 years |  | 1,213 |  |  | 1,220 |
Due in 2–5 years |  | 415 |  |  | 413 |
Instruments not due at a single maturity date |  | 112 |  |  | 108 |
Total |  | $ | 10,987 |  |  | $ | 10,992 |

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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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