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Basis of Presentation Share-Based Compensation Expense (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
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Mar. 25, 2012
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Mar. 27, 2011
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Mar. 25, 2012
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Mar. 27, 2011
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| Share-based Compensation, Allocation and Classification in Financial Statements [Abstract] | ||||||||
| Cost of equipment and services revenues | $ 17 | $ 17 | [1] | $ 36 | $ 30 | [1] | ||
| Research and development | 126 | 97 | [1] | 253 | 182 | [1] | ||
| Selling, general and administrative | 97 | 85 | [1] | 198 | 155 | [1] | ||
| Continuing operations | 240 | 199 | [1] | 487 | 367 | [1] | ||
| Related income tax benefit | (56) | (55) | [1] | (109) | (109) | [1] | ||
| Continuing operations, net of income taxes | 184 | 144 | [1] | 378 | 258 | [1] | ||
| Discontinued operations | 0 | 3 | [1] | 0 | 6 | [1] | ||
| Related income tax benefit | 0 | (1) | [1] | 0 | (2) | [1] | ||
| Discontinued operations, net of income taxes | 0 | 2 | [1] | 0 | 4 | [1] | ||
| Share-based compensation expense, net of income taxes | $ 184 | $ 146 | [1] | $ 378 | $ 262 | [1] | ||
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