EIN Entity Tax Identification Number Rollover EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Maximum Maximum [Member] Legal Entity [Axis] Legal Entity [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] EBP, Description of Plan [Table] EBP, Description of Plan [Table] Mutual Funds Mutual Fund [Member] Future contributions that can be directly invested in the self-brokerage account (percent) EBP, Investment, Self-Directed Brokerage Account, Future Contributions, Election Percentage EBP, Investment, Self-Directed Brokerage Account, Future Contributions, Election Percentage Sales EBP, Investment Sold, Excluding Plan Interest in Master Trust, Selling Price EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Fully Benefit-Responsive Investment Contract [Table] EBP, Fully Benefit-Responsive Investment Contract [Table] Self-directed brokerage account EBP, Self-Directed Brokerage Account [Member] Maximum annual participant Roth and / or after-tax contribution rate, as percentage of compensation (percent) EBP, Participant Contribution, After-Tax, Maximum Annual Compensation to Total Compensation, Percentage EBP, Participant Contribution, After-Tax, Maximum Annual Compensation to Total Compensation, Percentage Total expenses EBP, Change in Net Asset Available for Benefit, Decrease Participant loan limit EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Fair Value Measurements EBP, Investment, Fair Value and NAV [Text Block] Minimum loan amount EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Accrued payables EBP, Accrued Expense EBP, Fully Benefit-Responsive Investment Contract [Abstract] EBP, Participant, Bargaining Retirement Plan Participant, Including Utility Workers Union of America, Local 175 EBP, Participant, Bargaining Retirement Plan Participant, Including Utility Workers Union of America, Local 175 [Member] EBP, Participant, Bargaining Retirement Plan Participant, Including Utility Workers Union of America, Local 175 Investments at fair value (Note 3) Total investments at fair value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Rollover contributions EBP, Employee Benefit Plan, Rollover Receivable EBP, Employee Benefit Plan, Rollover Receivable Loan interest rate, spread on prime rate (percent) EBP, Participant Loan, Basis Spread On Variable Rate EBP, Participant Loan, Basis Spread On Variable Rate Level 1 Fair Value, Inputs, Level 1 [Member] Participant vesting period in employer contributions EBP, Employer Contribution Vesting Service Period EBP, Employer Contribution Vesting Service Period Stable Value Fund EBP, Fully Benefit-Responsive Investment Contract [Text Block] EBP, Investment, Fair Value and NAV [Abstract] Related Party and Parties-in-Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Table Text Block] Total Assets EBP, Asset Assets EBP, Asset [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Investment Income EBP, Change in Net Asset Available for Benefit, Increase [Abstract] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Payment of Benefits EBP, Payment to Participant [Policy Text Block] Norther Trust EBP, Trustee [Member] Total Liabilities EBP, Liability EBP 015 EBP 015 [Member] EBP 015 Amendment Flag Amendment Flag Basis of Presentation EBP, Basis of Accounting [Policy Text Block] EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Investment transactions EBP, Investment Sale, Receivable EBP, Description of Plan and Accounting Change [Abstract] Receivables EBP, Receivable [Abstract] Schedule of Plan's Investments at Fair Value EBP, Investment, Fair Value and NAV [Table Text Block] Participants' contribution, investment direction, incremental rate (percent) EBP, Participant Contribution, Investment Direction, Incremental Rate EBP, Participant Contribution, Investment Direction, Incremental Rate Required minimum distribution threshold EBP, Withdrawing Participant, Minimum Account Balance, Threshold EBP, Withdrawing Participant, Minimum Account Balance, Threshold COMMON STOCK Common Stock [Member] Grandfathered Non-Bargaining Retirement Plan Participant EBP, Participant, Grandfathered Non-Bargaining Retirement Plan Participant [Member] EBP, Participant, Grandfathered Non-Bargaining Retirement Plan Participant Investments [Domain] Investments [Domain] Use of Estimates EBP, Use of Estimate [Policy Text Block] EBP, Related Party and Party-in-Interest [Domain] EBP, Related Party and Party-in-Interest [Domain] Schedule H, Line 4i – Schedule of Assets (Held At End of Year) EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] Risks and Uncertainties EBP, Risk and Uncertainty [Text Block] Employer EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Synthetic guaranteed investment contracts EBP, Synthetic Investment Contract [Member] EBP, Related Party and Party-in-Interest [Axis] EBP, Related Party and Party-in-Interest [Axis] Minimum Minimum [Member] Dividends, interest, and other EBP, Investment Income, Receivable Investment Type [Axis] Investment Type [Axis] Interest on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Loan repayment period (up to) EBP, Note Receivable from Participant, Account, Maximum Repayment Period EBP, Note Receivable from Participant, Account, Maximum Repayment Period Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Forfeited non-vested accounts used to reduce future employer contributions and / or pay administrative expenses of the Plan EBP, Forfeited Nonvested Account, Decrease From Administrative Expense And Employer Contributions EBP, Forfeited Nonvested Account, Decrease From Administrative Expense And Employer Contributions Participant EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Maximum participant contributions to be directed for investment in employer's common stock fund (percent) EBP, Participant, Contributions, Maximum Contributions To Be Invested In Employer Common Stock Fund, Percent EBP, Participant, Contributions, Maximum Contributions To Be Invested In Employer Common Stock Fund, Percent Net appreciation in investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Dividends and interest EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Plan number EBP, Plan Number EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] Description of the Plan EBP, Description of Plan [Text Block] Changes in Net Asset Available for Benefit EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] Company Stock EBP, Employer, Common Stock [Member] EBP, Schedule of Asset Held for Investment [Abstract] EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Investment Income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Investment, Identifier [Axis] Investment, Identifier [Axis] Employer non-matching discretionary contribution (percent) EBP, Employer Non-Elective Contribution, Percentage EBP, Employer Non-Elective Contribution, Percentage Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Minimum required investment in the self-directed brokerage account option EBP, Investment, Self-Directed Brokerage Account, Minimum Investment EBP, Investment, Self-Directed Brokerage Account, Minimum Investment Period after receipt of of automatic enrollment notice that employee can opt out or change their contribution percentage EBP, Participant Contribution, Automatic Enrollment, Opt Out Period EBP, Participant Contribution, Automatic Enrollment, Opt Out Period Document Information [Line Items] Document Information [Line Items] EBP, Risk and Uncertainty [Line Items] EBP, Risk and Uncertainty [Line Items] SYNTHETIC GUARANTEED INVESTMENT CONTRACTS Investments At Contract Value [Member] Investments At Contract Value EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Table] Maximum participant investment in employer's common stock fund (percent) EBP, Participant, Investments, Maximum Investment In Employer Common Stock Fund, Percent EBP, Participant, Investments, Maximum Investment In Employer Common Stock Fund, Percent Eligible compensation contributed by Participant that is matched (percent) EBP, Employer Contribution, Participant Compensation Matched, Percentage EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Level 2 Fair Value, Inputs, Level 2 [Member] Annual increase in participant automatic deferral rate (percent) EBP, Participant Contribution, Automatic, Annual Increase Deferral Rate EBP, Participant Contribution, Automatic, Annual Increase Deferral Rate Maximum annual participant pre-tax contribution rate, as percentage of compensation (percent) EBP, Participant Contribution, Pretax, Maximum Annual Compensation To Eligible Bonus Compensation, Percentage EBP, Participant Contribution, Pretax, Maximum Annual Compensation To Eligible Bonus Compensation, Percentage EBP, Fully Benefit-Responsive Investment Contract [Line Items] EBP, Fully Benefit-Responsive Investment Contract [Line Items] Account balance threshold to be eligible for direct roll-over into another retirement account EBP, Distributions, Balance Threshold For Direct Rollover To Other Retirement Account EBP, Distributions, Balance Threshold For Direct Rollover To Other Retirement Account Loan origination fee (percent) EBP, Note Receivable from Participant, Account, Origination Fee EBP, Note Receivable from Participant, Account, Origination Fee EBP, Tax Status [Table] EBP, Tax Status [Table] Change in Net Assets Available for Benefits EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Related Party and Parties-in-Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Text Block] EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Total receivables EBP, Receivable Employer contributions EBP, Employer Contribution, Receivable Participant automatic deferral rate (percent) EBP, Participant Contribution, Automatic, Deferral Rate Benefit payments EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant TOTAL PLAN INVESTMENTS EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] Other Equities Other Security Investments [Member] EBP, Tax Status [Abstract] COMPANY STOCK FUND EBP, Employer, Common Stock Fund [Member] Investments held by the Stable Value Fund EBP, Fully Benefit-Responsive Investment Contract [Table Text Block] Other EBP, Other Liability Plan Expenses EBP, Expense [Policy Text Block] EBP, Related Party and Party-in-Interest [Axis] EBP, Employer Contribution, Employee Type [Axis] EBP, Employer Contribution, Employee Type New Accounting Standards New Accounting Standards Policy [Policy Text Block] New Accounting Standards Policy NOTES RECEIVABLE FROM PARTICIPANT LOANS EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Investment Valuation and Income Recognition EBP, Investment [Policy Text Block] Document Type Document Type Entity Central Index Key Entity Central Index Key Interest rate on participant loans (percent) EBP, Asset Held for Investment, Participant Loan, Interest Rate Common/Collective Trust Funds Northern Trust Collective Short-term Investment Fund Common Collective Trust [Member] TOTAL PLAN INVESTMENTS AT FAIR VALUE Investments At Fair Value [Member] Investments At Fair Value EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] EBP, Risk and Uncertainty [Abstract] Bargaining Retirement Plan Participants EBP, Participant, Bargaining Retirement Plan Participant [Member] EBP, Participant, Bargaining Retirement Plan Participant Cash and Cash Equivalents CASH AND CASH EQUIVALENTS Cash and Cash Equivalents [Member] Expenses EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Notes receivable from participants EBP, Note Receivable from Participant Service period threshold less than which would result in suspension of making after-tax contributions Participant Contribution, After Tax Contributions, Service Period Threshold Participant Contribution, After Tax Contributions, Service Period Threshold Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Summary of Accounting Policies EBP, Summary of Accounting Policy [Text Block] Entity Registrant Name Entity Registrant Name Purchases EBP, Investment Acquired, Excluding Plan Interest in Master Trust, Cost Liabilities EBP, Liability [Abstract] EBP, Related Party and Party-in-Interest [Domain] EBP, Employer Contribution, Employee Type [Domain] EBP, Employer Contribution, Employee Type Tax Status EBP, Tax Status [Text Block] Participant loan limit as a percentage of vested account balance (percent) EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Participants' annual vesting in employer contributions (percent) EBP, Employer Contribution Vesting Percentage EBP, Employer Contribution Vesting Percentage Document Information [Table] Document Information [Table] Non-Union And Certain Union Participants Hired After January 1, 2024 Non-Union And Certain Union Participants Hired After January 1, 2024 [Member] Non-Union And Certain Union Participants Hired After January 1, 2024 Notes Receivable from Participants EBP, Note Receivable from Participant [Policy Text Block] Net investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment Maximum annual eligible compensation contributed by Participant that is matched EBP, Employer Contribution, Participant Compensation Matched, Amount EBP, Employer Contribution, Participant Compensation Matched, Amount EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Level 3 Fair Value, Inputs, Level 3 [Member] Net Assets Available for Benefits Net Assets Available for Benefits, Beginning of Period Net Assets Available for Benefits, End of Period EBP, Net Asset Available for Benefit Total investments EBP, Investment, Excluding Plan Interest in Master Trust, Fair and Contract Value Entity [Domain] Entity [Domain] Contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Fully benefit-responsive investment contracts at contract value (Note 3) Fully benefit-responsive investment contracts at contract value EBP, Investment, Excluding Plan Interest in Master Trust, Contract Value Company's match (percent) EBP, Employer Contribution, Matching Percentage EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] Net Assets Available for Benefits EBP, Statement of Net Asset Available for Benefit [Line Items]