Public Utilities, Common Equity Ratio Percentage

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- Definition

Public Utilities, Debt Ratio Percentage

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- Definition

Public Utilities, General Rate Case Authorizations, Annualized Incremental Revenues, Projected Infrastructure Filings Amount

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- Definition

Public Utilities, General Rate Case Authorizations, Annualized Incremental Revenues, Requested Rate Increase (Decrease), Amount

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- Definition

Public Utilities, General Rate Case Authorizations, Annualized Incremental Revenues, Requested Rate, Increase (Decrease) In Capital Investments

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- Definition

Public Utilities, General Rate Case Authorizations, Revenue, Partial Settlement, Amount

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- Definition

Public Utilities, General Rate Case Authorizations, Revenue, Partial Settlement, Increase (Decrease) Amount

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- Definition

Public Utilities, General Rate Case Authorizations, Revenue, Revised Requested Rate Increase (Decrease), Amount

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- Definition

Public Utilities, Non-Equity Ratio Percentage

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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.

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- Definition

Percentage of public utility's requested return on equity.

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Regulatory Matters - Pending General Rate Case Filing Additional Information (Details) - USD ($) $ in Millions										24 Months Ended
	Jul. 27, 2026	Jul. 01, 2026	Jun. 23, 2026	Jun. 08, 2026	Jun. 05, 2026	May 15, 2026	Jan. 27, 2026	Jan. 16, 2026	Nov. 03, 2025	Dec. 31, 2027
Missouri \| Subsequent Event
Public Utilities, General Disclosures
General rate case authorizations, annualized incremental revenues, requested rate increase, amount		$ 179
General rate case authorizations, annualized incremental revenues, projected infrastructure filings amount		$ 32
Proposed return on equity, percentage		10.50%
Common equity, percentage		50.30%
Debt ratio, percentage		49.70%
General rate case authorizations, annualized incremental revenues, requested rate, increase in capital investments		$ 1,600
Kentucky
Public Utilities, General Disclosures
General rate case authorizations, annualized incremental revenues, requested rate increase, amount						$ 18
Proposed return on equity, percentage						10.75%
Common equity, percentage						52.29%
General rate case authorizations, annualized incremental revenues, requested rate, increase in capital investments						$ 108
Non-equity, percentage						47.71%
Illinois
Public Utilities, General Disclosures
Proposed return on equity, percentage							10.75%
Illinois \| Forecast
Public Utilities, General Disclosures
General rate case authorizations, annualized incremental revenues, requested rate, increase in capital investments										$ 577
Illinois \| Year 2027
Public Utilities, General Disclosures
General rate case authorizations, annualized incremental revenues, requested rate increase, amount			$ 107				$ 119
Common equity, percentage							52.42%
Debt ratio, percentage							47.58%
Illinois \| Public Utility Authorization Effective Date January 1, 2028
Public Utilities, General Disclosures
General rate case authorizations, annualized incremental revenues, requested rate increase, amount							$ 15
Common equity, percentage							52.74%
Debt ratio, percentage							47.26%
New Jersey
Public Utilities, General Disclosures
General rate case authorizations, annualized incremental revenues, requested rate increase, amount								$ 146
Proposed return on equity, percentage								10.75%
Common equity, percentage								55.18%
Debt ratio, percentage								44.82%
New Jersey \| Subsequent Event
Public Utilities, General Disclosures
General rate case authorizations, annualized incremental revenues, requested rate increase, amount	$ 145
Proposed return on equity, percentage	10.75%
Common equity, percentage	54.00%
Debt ratio, percentage	46.00%
General rate case authorizations, annualized incremental revenues, requested rate, increase in capital investments	$ 1,400
Virginia
Public Utilities, General Disclosures
General rate case authorizations, annualized incremental revenues, requested rate increase, amount					$ 16				$ 22
Proposed return on equity, percentage					9.75%				10.75%
Common equity, percentage					51.79%				51.79%
General rate case authorizations, annualized incremental revenues, requested rate, increase in capital investments									$ 115
California
Public Utilities, General Disclosures
General rate case authorizations, annualized incremental revenues, requested rate, increase in capital investments				$ 750
California \| Public Utility, Authorization, Effective Date, Year 2027
Public Utilities, General Disclosures
General rate case authorizations, revenue, partial settlement, amount				24
General rate case authorizations, revenue, revised requested rate increase, amount				43
General rate case authorizations, revenue, partial settlement, increase (decrease) amount				(20)
California \| Public Utility, Authorization, Effective Date, Year 2028
Public Utilities, General Disclosures
General rate case authorizations, revenue, partial settlement, amount				21
General rate case authorizations, revenue, revised requested rate increase, amount				22
General rate case authorizations, revenue, partial settlement, increase (decrease) amount				(19)
California \| Public Utility, Authorization, Effective Date, Year 2029
Public Utilities, General Disclosures
General rate case authorizations, revenue, partial settlement, amount				22
General rate case authorizations, revenue, revised requested rate increase, amount				26
General rate case authorizations, revenue, partial settlement, increase (decrease) amount				$ 22