Supplemental Financial Information (Other Long-Term Liabilities) (Details) - USD ($) $ in Millions |
Jan. 30, 2022 |
Oct. 31, 2021 |
|---|---|---|
| Other Liabilities, Noncurrent [Abstract] | ||
| Unrecognized tax benefits | $ 3,366 | $ 3,407 |
| Other (miscellaneous) | 1,372 | 1,453 |
| Total other long-term liabilities | $ 4,738 | $ 4,860 |