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Investments (Tables)
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9 Months Ended |
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Apr. 25, 2015
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| Investments, Debt and Equity Securities [Abstract] |
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| Summary Of Available-For-Sale Investments |
The following tables summarize the Company’s available-for-sale investments (in millions): | | | | | | | | | | | | | | | | | April 25, 2015 | Amortized Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Fair Value | Fixed income securities: | | | | | | | | U.S. government securities | $ | 29,364 |
| | $ | 59 |
| | $ | (1 | ) | | $ | 29,422 |
| U.S. government agency securities | 3,257 |
| | 6 |
| | (1 | ) | | 3,262 |
| Non-U.S. government and agency securities | 1,184 |
| | 2 |
| | — |
| | 1,186 |
| Corporate debt securities | 13,321 |
| | 86 |
| | (13 | ) | | 13,394 |
| U.S. agency mortgage-backed securities | 1,346 |
| | 16 |
| | — |
| | 1,362 |
| Total fixed income securities | 48,472 |
| | 169 |
| | (15 | ) | | 48,626 |
| Publicly traded equity securities | 1,328 |
| | 598 |
| | (3 | ) | | 1,923 |
| Total | $ | 49,800 |
| | $ | 767 |
| | $ | (18 | ) | | $ | 50,549 |
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| | | | | | | | | | | | | | | | | July 26, 2014 | Amortized Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Fair Value | Fixed income securities: | | | | | | | | U.S. government securities | $ | 31,717 |
| | $ | 29 |
| | $ | (12 | ) | | $ | 31,734 |
| U.S. government agency securities | 1,062 |
| | 1 |
| | — |
| | 1,063 |
| Non-U.S. government and agency securities | 860 |
| | 2 |
| | (1 | ) | | 861 |
| Corporate debt securities | 9,092 |
| | 74 |
| | (7 | ) | | 9,159 |
| U.S. agency mortgage-backed securities | 574 |
| | 5 |
| | — |
| | 579 |
| Total fixed income securities | 43,305 |
| | 111 |
| | (20 | ) | | 43,396 |
| Publicly traded equity securities | 1,314 |
| | 648 |
| | (10 | ) | | 1,952 |
| Total | $ | 44,619 |
| | $ | 759 |
| | $ | (30 | ) | | $ | 45,348 |
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Non-U.S. government and agency securities include agency and corporate debt securities that are guaranteed by non-U.S. governments. |
| Gross Realized Gains And Gross Realized Losses Related To Available-For-Sale Investment |
The following table presents the gross realized gains and gross realized losses related to the Company’s available-for-sale investments (in millions): | | | | | | | | | | | | | | | | | | Three Months Ended | | Nine Months Ended | | April 25,
2015 | | April 26,
2014 | | April 25,
2015 | | April 26,
2014 | Gross realized gains | $ | 55 |
| | $ | 75 |
| | $ | 168 |
| | $ | 267 |
| Gross realized losses | (11 | ) | | (6 | ) | | (48 | ) | | (33 | ) | Total | $ | 44 |
| | $ | 69 |
| | $ | 120 |
| | $ | 234 |
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The following table presents the realized net gains (losses) related to the Company’s available-for-sale investments by security type (in millions): | | | | | | | | | | | | | | | | | | Three Months Ended | | Nine Months Ended | | April 25,
2015 | | April 26,
2014 | | April 25,
2015 | | April 26,
2014 | Net gains on investments in publicly traded equity securities | $ | 38 |
| | $ | 55 |
| | $ | 94 |
| | $ | 199 |
| Net gains on investments in fixed income securities | 6 |
| | 14 |
| | 26 |
| | 35 |
| Total | $ | 44 |
| | $ | 69 |
| | $ | 120 |
| | $ | 234 |
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| Available-For-Sale Investments With Gross Unrealized Losses |
The following tables present the breakdown of the available-for-sale investments with gross unrealized losses and the duration that those losses had been unrealized at April 25, 2015 and July 26, 2014 (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | UNREALIZED LOSSES LESS THAN 12 MONTHS | | UNREALIZED LOSSES 12 MONTHS OR GREATER | | TOTAL | April 25, 2015 | Fair Value | | Gross Unrealized Losses | | Fair Value | | Gross Unrealized Losses | | Fair Value | | Gross Unrealized Losses | Fixed income securities: | | | | | | | | | | | | U.S. government securities | $ | 4,096 |
| | $ | (1 | ) | | $ | — |
| | $ | — |
| | $ | 4,096 |
| | $ | (1 | ) | U.S. government agency securities | 702 |
| | (1 | ) | | — |
| | — |
| | 702 |
| | (1 | ) | Corporate debt securities | 3,587 |
| | (12 | ) | | 157 |
| | (1 | ) | | 3,744 |
| | (13 | ) | Total fixed income securities | 8,385 |
| | (14 | ) |
| 157 |
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| (1 | ) |
| 8,542 |
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| (15 | ) | Publicly traded equity securities | 42 |
| | (3 | ) | | 1 |
| | — |
| | 43 |
| | (3 | ) | Total | $ | 8,427 |
| | $ | (17 | ) | | $ | 158 |
| | $ | (1 | ) | | $ | 8,585 |
| | $ | (18 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | | | UNREALIZED LOSSES LESS THAN 12 MONTHS | | UNREALIZED LOSSES 12 MONTHS OR GREATER | | TOTAL | July 26, 2014 | Fair Value | | Gross Unrealized Losses | | Fair Value | | Gross Unrealized Losses | | Fair Value | | Gross Unrealized Losses | Fixed income securities: | | | | | | | | | | | | U.S. government securities | $ | 7,676 |
| | $ | (12 | ) | | $ | 45 |
| | $ | — |
| | $ | 7,721 |
| | $ | (12 | ) | Non-U.S. government and agency securities | 361 |
| | (1 | ) | | 22 |
| | — |
| | 383 |
| | (1 | ) | Corporate debt securities | 1,875 |
| | (3 | ) | | 491 |
| | (4 | ) | | 2,366 |
| | (7 | ) | Total fixed income securities | 9,912 |
| | (16 | ) | | 558 |
| | (4 | ) | | 10,470 |
| | (20 | ) | Publicly traded equity securities | 132 |
| | (10 | ) | | — |
| | — |
| | 132 |
| | (10 | ) | Total | $ | 10,044 |
| | $ | (26 | ) | | $ | 558 |
| | $ | (4 | ) | | $ | 10,602 |
| | $ | (30 | ) |
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| Maturities of Fixed Income Securities |
The following table summarizes the maturities of the Company’s fixed income securities at April 25, 2015 (in millions): | | | | | | | | | | Amortized Cost | | Fair Value | Less than 1 year | $ | 16,322 |
| | $ | 16,332 |
| Due in 1 to 2 years | 14,969 |
| | 15,006 |
| Due in 2 to 5 years | 15,610 |
| | 15,697 |
| Due after 5 years | 1,571 |
| | 1,591 |
| Total | $ | 48,472 |
| | $ | 48,626 |
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| Equity Method and Cost Method Investments |
For such investments that were accounted for under the equity and cost method as of April 25, 2015 and July 26, 2014, the amounts are summarized in the following table (in millions): | | | | | | | | | | April 25,
2015 | | July 26,
2014 | Equity method investments | $ | 561 |
| | $ | 630 |
| Cost method investments | 312 |
| | 269 |
| Total | $ | 873 |
| | $ | 899 |
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