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Commitments, Guarantees and Contingencies - Legal Proceedings (Details) - U.S. Water Services [Member] - U.S. Water Services Patent Defense Litigation [Member] $ in Millions | 9 Months Ended
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Sep. 30, 2018 USD ($)
Legal Proceedings [Line Items] |
Patents Infringed | 2
Addition to Intangible Assets for Patent Defense Costs | $ 2.5

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- Definition Finite-Lived Intangible Assets Addition for Patent Defense Costs + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Number of entity's patents that another entity has allegedly infringed. + References No definition available. + Details
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- Details
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- Details
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