Fair Value Measurements (Plan's Assets at Fair Value) (Details) - EBP 005 [Member] - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Essential Utilities, Inc. Common Stock [Member]
EBP, Investment, Fair Value and NAV [Line Items]
Plan’s assets at fair value	$ 38,066,599	$ 39,798,740
Fair Value, Inputs, Level 1 [Member] \| Mutual Funds [Member]
EBP, Investment, Fair Value and NAV [Line Items]
Plan’s assets at fair value	639,363,515	546,520,034
Fair Value, Inputs, Level 1 [Member] \| Essential Utilities, Inc. Common Stock [Member]
EBP, Investment, Fair Value and NAV [Line Items]
Plan’s assets at fair value	$ 38,066,599	$ 39,798,740

Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.

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+ Details

- 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.

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+ Details