Financing Receivables and Operating Leases (Details) (USD $)	9 Months Ended
Jul. 31, 2011	Oct. 31, 2010
Financing Receivables and Operating Leases
Financing receivable term, low end of range (in years)	2
Financing receivable term, high end of range (in years)	5
Minimum lease payments receivable	$ 7,675,000,000	$ 7,094,000,000
Allowance for doubtful accounts	(136,000,000)	(140,000,000)
Unguaranteed residual value	236,000,000	212,000,000
Unearned income	(661,000,000)	(596,000,000)
Financing receivables, net	7,114,000,000	6,570,000,000
Less current portion	(3,167,000,000)	(2,986,000,000)
Amounts due after one year, net	3,947,000,000	3,584,000,000
Equipment leased to customers under operating leases	4,000,000,000	3,500,000,000
Accumulated depreciation on equipment under lease	$ 1,300,000,000	$ 1,000,000,000

A valuation allowance for financing receivables that are expected to be uncollectible.

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- Details

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- Definition

The high end of the range of the term of financing receivables.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The low end of the range of the term of financing receivables.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The difference between the minimum lease payments and the present value of the same payments discounted at the implicit interest rate on capital leases.

+ Details

Name:	hpq_LeasesDeferredIncome
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of remaining payments as of the balance sheet date that lessees are obligated to make or can be required to make under capital leases.

+ Details

Name:	hpq_LeasesMinimumPaymentsToBeReceived
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The estimate of the lease property's economic value at the end of the lease term excluding any amounts guaranteed by either the lessee or a third-party.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The gross amount of lessor property subject to or available for lease as of the balance sheet date.

+ Details

Name:	hpq_PropertyUnderOperatingLeaseGross
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The net amount due within one year of the balance sheet date or the normal operating cycle, if longer, consisting of: (a) minimum lease payments due on direct financing and sales-type leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 13
-Paragraph 23
-Subparagraph a(i)

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The net amount due after one year of the balance sheet date or beyond the normal operating cycle, if longer, consisting of: (a) minimum lease payments due on direct financing and sales-type leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 13
-Paragraph 23
-Subparagraph a(i)

+ Details

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Balance Type:	debit
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- Definition

The lessor's asset under sales type and direct financing leases. The net investment in direct financing and sales-type leases as of the balance sheet date consisting of: (a) minimum lease payments due on direct financing leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) estimated executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 13
-Paragraph 23
-Subparagraph a(i)

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

The amount of accumulated depreciation, by major property class, recorded on property subject to or available for lease as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 13
-Paragraph 23
-Subparagraph b(i)

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 13
-Paragraph 19
-Subparagraph a

+ Details

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Period Type:	instant