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Investments (Details 2) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
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Sep. 27, 2013
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Dec. 31, 2012
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| Available-for-sale securities, by type | ||
| Available-for-sale Securities, Amortized Cost Basis | $ 4,326 | $ 4,126 |
| Available-for-sale Securities, Gross Unrealized Gain | 410 | 487 |
| Available-for-sale Securities, Gross Unrealized Losses | (49) | (20) |
| Available-for-sale Securities Fair Value | 4,687 | 4,593 |
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Equity Securities
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| Available-for-sale securities, by type | ||
| Available-for-sale Securities, Amortized Cost Basis | 983 | 957 |
| Available-for-sale Securities, Gross Unrealized Gain | 389 | 441 |
| Available-for-sale Securities, Gross Unrealized Losses | (15) | (10) |
| Available-for-sale Securities Fair Value | 1,357 | 1,388 |
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Debt Securities
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| Available-for-sale securities, by type | ||
| Available-for-sale Securities, Amortized Cost Basis | 3,343 | 3,169 |
| Available-for-sale Securities, Gross Unrealized Gain | 21 | 46 |
| Available-for-sale Securities, Gross Unrealized Losses | (34) | (10) |
| Available-for-sale Securities Fair Value | $ 3,330 | $ 3,205 |
| X | ||||||||||
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- Definition
Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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