XML 51 R40.htm IDEA: XBRL DOCUMENT v3.5.0.2

OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Re-classification (Details) $ in Millions	9 Months Ended
	Jul. 31, 2016 USD ($)
Supplemental Income Statement Elements [Abstract]
Product Revenue that was previously classified as Services and Other Revenue	$ 5
Cost of Products that was previously classified as Cost of Services and Others	$ 7

X

- Definition

Cost of Products that was previously classified as Cost of Services and Others

+ References

No definition available.

+ Details

Name:	keys_CostofProductsthatwaspreviouslyclassifiedasCostofServicesandOthers
Namespace Prefix:	keys_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Product Revenue that was previously classified as Services and Other Revenue

+ References

No definition available.

+ Details

Name:	keys_ProductRevenuethatwaspreviouslyclassifiedasServicesandOtherRevenue
Namespace Prefix:	keys_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_SupplementalIncomeStatementElementsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration