Consolidated Statements Of Capitalization - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Stockholders' equity:
Common stock, $0.50 par value	$ 143,253	$ 139,105
Capital in excess of par value	4,524,517	4,199,836
Retained earnings	2,280,669	1,949,492
Treasury stock, at cost	(90,983)	(89,624)
Total stockholders' equity	6,857,456	6,198,809
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Long-term debt of subsidiaries	3,068,848	3,101,096
Total long-term debt	8,181,848	7,559,096
Current portion of long-term debt	21,822	142,807
Long-term debt, excluding current portion	8,160,026	7,416,289
Less: debt issuance costs and unamortized discount on debt	49,859	47,908
Long-term debt, excluding current portion, net of debt issuance costs and unamortized discount on debt	8,110,167	7,368,381
Total capitalization	14,967,623	13,567,190
Notes Ranging From 0.00% To 0.99% [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Long-term debt of subsidiaries	7,328	2,637
Notes Ranging From 1.00% To 1.99% [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Long-term debt of subsidiaries	23,977	11,732
Notes Ranging From 2.00% To 2.99% [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Long-term debt of subsidiaries	204,870	206,297
Notes Ranging From 3.00% To 3.99% [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Long-term debt of subsidiaries	1,252,397	1,258,003
Notes Ranging From 4.00% To 4.99% [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Long-term debt of subsidiaries	1,120,564	1,239,032
Notes Ranging From 5.00% To 5.99% [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Long-term debt of subsidiaries	412,260	312,260
Notes Ranging From 6.00% To 6.99% [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Long-term debt of subsidiaries	31,000	31,000
Notes Ranging From 7.00% To 7.99% [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Long-term debt of subsidiaries	4,652	27,888
Notes Ranging From 8.00% To 8.99% [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Long-term debt of subsidiaries		447
Notes Ranging From 9.00% To 9.99% [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Long-term debt of subsidiaries	11,800	11,800
Revolving Credit Agreement, Due 2027 [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Notes payable to bank under revolving credit agreement, variable rate, due 2027		413,000
Commercial Paper Program [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Unsecured notes payable	568,000
Notes At 2.40% Due 2031 [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Unsecured notes payable	400,000	400,000
Notes At 2.704% Due 2030 [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Unsecured notes payable	500,000	500,000
Notes Ranging From 3.01% To 3.59% Due 2029 Through 2050 [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Unsecured notes payable	1,125,000	1,125,000
Notes At 4.276%, Due 2049 [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Unsecured notes payable	500,000	500,000
Notes At 4.80%, Due 2027 [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Unsecured notes payable	500,000	500,000
Notes At 5.25%, Due 2035 [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Unsecured notes payable	500,000
Notes At 5.30%, Due 2052 [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Unsecured notes payable	500,000	500,000
Notes At 5.375%, Due 2034 [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Unsecured notes payable	500,000	500,000
Notes At 5.95%, Due 2033 through 2034 [Member]
Long-term debt of subsidiaries (substantially collateralized by utility plant):
Unsecured notes payable	$ 20,000	$ 20,000

Essential Utilities, Inc. 10-K