|
Cash, Cash Equivalents and Investments (Details) (USD $)
In Millions, unless otherwise specified
|
Apr. 29, 2012
|
Oct. 30, 2011
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
$ 3,209 |
|
$ 7,148 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
39 |
|
28 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
7 |
|
2 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
3,241 |
|
7,174 |
|
Total cash and cash equivalents [Member]
|
|
|
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
1,761 |
|
5,960 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
0 |
|
0 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
0 |
|
0 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
1,761 |
|
5,960 |
|
Cash [Member]
|
|
|
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
620 |
|
297 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
0 |
|
0 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
0 |
|
0 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
620 |
|
297 |
|
Cash equivalents [Member]
|
|
|
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
1,141 |
|
5,663 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
0 |
|
0 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
0 |
|
0 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
1,141 |
|
5,663 |
|
Cash equivalents [Member] | Money market funds [Member]
|
|
|
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
1,141 |
|
5,663 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
0 |
|
0 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
0 |
|
0 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
1,141 |
|
5,663 |
|
Short-term and long-term investments [Member]
|
|
|
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
1,448 |
|
1,188 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
39 |
|
28 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
7 |
|
2 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
1,480 |
|
1,214 |
|
Short-term and long-term investments [Member] | U S Treasury and agency securities [Member]
|
|
|
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
302 |
|
184 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
1 |
|
1 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
0 |
|
0 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
303 |
|
185 |
|
Short-term and long-term investments [Member] | Non-U.S. government securities [Member]
|
|
|
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
22 |
[1] |
40 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
0 |
[1] |
0 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
0 |
[1] |
0 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
22 |
[1] |
40 |
|
Short-term and long-term investments [Member] | Municipal securities [Member]
|
|
|
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
395 |
|
371 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
2 |
|
2 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
0 |
|
0 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
397 |
|
373 |
|
Short-term and long-term investments [Member] | Commercial paper, corporate bonds and medium-term notes [Member]
|
|
|
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
314 |
|
216 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
3 |
|
3 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
0 |
|
1 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
317 |
|
218 |
|
Short-term and long-term investments [Member] | Asset-backed and mortgage-backed securities [Member]
|
|
|
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
301 |
|
307 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
3 |
|
3 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
1 |
|
1 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
303 |
|
309 |
|
Short-term and long-term investments [Member] | Total fixed income securities [Member]
|
|
|
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
1,334 |
|
1,118 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
9 |
|
9 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
1 |
|
2 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
1,342 |
|
1,125 |
|
Short-term and long-term investments [Member] | Publicly traded equity securities [Member]
|
|
|
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
45 |
|
8 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
30 |
|
19 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
6 |
|
0 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
69 |
|
27 |
|
Short-term and long-term investments [Member] | Equity investments in privately-held companies [Member]
|
|
|
|
| Summary of Cash, Cash Equivalents and Investments |
|
|
|
| Cash, Cash Equivalents and Investments Cost |
69 |
|
62 |
| Cash, Cash Equivalents and Investments Gross Unrealized Gains |
0 |
|
0 |
| Cash, Cash Equivalents and Investments Gross Unrealized Losses |
0 |
|
0 |
| Cash, Cash Equivalents and Investments Estimated Fair Value |
$ 69 |
|
$ 62 |
|
|
|