|
Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $)
In Millions, unless otherwise specified |
Apr. 29, 2012
|
Oct. 30, 2011
|
|---|---|---|
| Assets: | ||
| Total | $ 2,552 | $ 6,815 |
| Liabilities | ||
| Deferred compensation | 7 | 0 |
| Total | 7 | 0 |
|
Money market funds [Member]
|
||
| Assets: | ||
| Investment securities | 1,141 | 5,663 |
|
U.S. Treasury and agency securities [Member]
|
||
| Assets: | ||
| Investment securities | 303 | 185 |
|
Non-U.S. government securities [Member]
|
||
| Assets: | ||
| Investment securities | 22 | 40 |
|
Municipal securities [Member]
|
||
| Assets: | ||
| Investment securities | 397 | 373 |
|
Commercial paper, corporate bonds and medium-term notes [Member]
|
||
| Assets: | ||
| Investment securities | 317 | 218 |
|
Asset-backed and mortgage-backed securities [Member]
|
||
| Assets: | ||
| Investment securities | 303 | 309 |
|
Publicly traded equity securities [Member]
|
||
| Assets: | ||
| Investment securities | 69 | 27 |
|
Level 1 [Member]
|
||
| Assets: | ||
| Total | 1,303 | 5,799 |
| Liabilities | ||
| Deferred compensation | 7 | 0 |
| Total | 7 | 0 |
|
Level 1 [Member] | Money market funds [Member]
|
||
| Assets: | ||
| Investment securities | 1,141 | 5,663 |
|
Level 1 [Member] | U.S. Treasury and agency securities [Member]
|
||
| Assets: | ||
| Investment securities | 93 | 109 |
|
Level 1 [Member] | Non-U.S. government securities [Member]
|
||
| Assets: | ||
| Investment securities | 0 | 0 |
|
Level 1 [Member] | Municipal securities [Member]
|
||
| Assets: | ||
| Investment securities | 0 | 0 |
|
Level 1 [Member] | Commercial paper, corporate bonds and medium-term notes [Member]
|
||
| Assets: | ||
| Investment securities | 0 | 0 |
|
Level 1 [Member] | Asset-backed and mortgage-backed securities [Member]
|
||
| Assets: | ||
| Investment securities | 0 | 0 |
|
Level 1 [Member] | Publicly traded equity securities [Member]
|
||
| Assets: | ||
| Investment securities | 69 | 27 |
|
Level 2 [Member]
|
||
| Assets: | ||
| Total | 1,249 | 1,016 |
| Liabilities | ||
| Deferred compensation | 0 | 0 |
| Total | 0 | 0 |
|
Level 2 [Member] | Money market funds [Member]
|
||
| Assets: | ||
| Investment securities | 0 | 0 |
|
Level 2 [Member] | U.S. Treasury and agency securities [Member]
|
||
| Assets: | ||
| Investment securities | 210 | 76 |
|
Level 2 [Member] | Non-U.S. government securities [Member]
|
||
| Assets: | ||
| Investment securities | 22 | 40 |
|
Level 2 [Member] | Municipal securities [Member]
|
||
| Assets: | ||
| Investment securities | 397 | 373 |
|
Level 2 [Member] | Commercial paper, corporate bonds and medium-term notes [Member]
|
||
| Assets: | ||
| Investment securities | 317 | 218 |
|
Level 2 [Member] | Asset-backed and mortgage-backed securities [Member]
|
||
| Assets: | ||
| Investment securities | 303 | 309 |
|
Level 2 [Member] | Publicly traded equity securities [Member]
|
||
| Assets: | ||
| Investment securities | $ 0 | $ 0 |