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COMBINED AND CONSOLIDATED STATEMENT OF OPERATIONS (Parenthetical) shares in Millions	Nov. 01, 2014 shares
Income Statement [Abstract]
Stock issued during period shares issued in connection with separation	167

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- Definition

Stock Issued During Period Shares Issued In Connection With Separation from Former Parent

+ References

No definition available.

+ Details

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Namespace Prefix:	keys_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

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- References

No definition available.

+ Details

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