| Component: (Network and Table) | |
|---|---|
| Network | 4110 - Disclosure - Guarantees (Details) (http://www.hp.com/role/DisclosureGuaranteesDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000047217 (http://www.sec.gov/CIK) |
| Guarantees | Period [Axis] | |
|---|---|---|
2012-11-01 - 2013-10-31 | 2011-11-01 - 2012-10-31 | |
Guarantees | ||
Changes in aggregated product warranty liabilities | ||
Balance at beginning of year | 2,170,000,000 | 2,451,000,000 |
Accruals for warranties issued | 2,007,000,000 | 2,249,000,000 |
Adjustments related to pre-existing warranties (including changes in estimates) | (4,000,000) | (79,000,000) |
Settlements made (in cash or in kind) | (2,142,000,000) | (2,451,000,000) |
Balance at end of year | 2,031,000,000 | 2,170,000,000 |