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COMBINED AND CONSOLIDATED STATEMENT OF OPERATIONS (Parenthetical) shares in Millions | Nov. 01, 2014 shares
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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