v2.4.1.9

TRANSACTIONS WITH AGILENT Return Of Capital (Details) (USD $) In Millions, unless otherwise specified	Jan. 31, 2015	Oct. 31, 2014
Related Party Transaction [Line Items]
Accrual for return of excess cash to Related Party	$ 49keys_AccrualforreturnofexcesscashtoRelatedParty	$ 74keys_AccrualforreturnofexcesscashtoRelatedParty

X

- Definition

Accrual for return of excess cash to Related Party

+ References

No definition available.

+ Details

Name:	keys_AccrualforreturnofexcesscashtoRelatedParty
Namespace Prefix:	keys_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

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