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Cover
Document and Entity Information
Financial Statements
Consolidated Balance Sheets
Consolidated Balance Sheets (Parenthetical)
Consolidated Statements of Income
Consolidated Statements of Comprehensive Income
Consolidated Statements of Comprehensive Income (Parenthetical)
Consolidated Statements of Cash Flows
Consolidated Statements of Stockholder's Equity
Notes to Financial Statements
Nature of Operations
Summary of Significant Accounting Policies
Accounting Changes
Regulatory Assets and Liabilities and Regulatory Matters
Inventories
Property, Plant and Equipment
Debt
Income Taxes
Employee Retirement Plans
Series Preferred Stock
Equity-Based Compensation
Commitments and Contingencies
Fair Value Measurements
Derivative Instruments and Hedging Activities
Accumulated Other Comprehensive Income
Segment Information
Other Operating Income (Expense), Net
Related Party Transactions
Quarterly Data (unaudited)
Other
Schedule II - Valuation and Qualifying Accounts
Accounting Policies
Summary of Significant Accounting Policies (Policies)
Notes Tables
Regulatory Assets and Liabilities and Regulatory Matters (Tables)
Inventories (Tables)
Property, Plant and Equipment (Tables)
Debt (Tables)
Income Taxes (Tables)
Employee Retirement Plans (Tables)
Equity-Based Compensation (Tables)
Fair Value Measurements (Tables)
Derivative Instruments and Hedging Activities (Tables)
Accumulated Other Comprehensive Income (Tables)
Segment Information (Tables)
Other Operating Income (Expense), Net (Tables)
Quarterly Data (unaudited) (Tables)
Notes Details
Nature of Operations Nature of Operations (Details)
Summary of Significant Accounting Policies - Property, Plant and Equipment and Related Depreciation (Details)
Summary of Significant Accounting Policies - Goodwill (Details)
Summary of Significant Accounting Policies - Impairment of Long-Lived Assets (Details)
Regulatory Assets and Liabilities and Regulatory Matters - Regulatory Assets and Liabilities Associated with Gas Utility and Electric Utility (Details)
Regulatory Assets and Liabilities and Regulatory Matters - Additional Information (Details)
Inventories - Schedule of Inventories (Details)
Inventories - Additional Information (Details)
Property, Plant and Equipment (Details)
Debt - Composition of Long Term Debt (Details)
Debt - Additional Information (Details)
Income Taxes - Provisions for Income Taxes (Details)
Income Taxes - Reconciliation from US Federal Statutory Tax Rate to Effective Tax Rate (Details)
Income Taxes - Additional Information (Details)
Income Taxes - Deferred Tax Liabilities (Details)
Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details)
Employee Retirement Plans - Change in Pension Benefits and Other Postretirement Benefit Obligations, Plan Assets, and Funded Status (Details)
Employee Retirement Plans - Additional Information (Details)
Employee Retirement Plans - Actuarial Assumptions for Domestic Plans (Details)
Employee Retirement Plans - Components of Net Periodic Pension Expense and Other Postretirement Benefit Costs (Details)
Employee Retirement Plans - Expected Payments for Pension Benefits and Other Postretirement Welfare Benefits (Details)
Employee Retirement Plans - Allocation of Pension Plan and VEBA Trust Assets (Details)
Employee Retirement Plans - Fair Value of Pension Plan and VEBA Trust Assets (Details)
Series Preferred Stock (Details)
Equity-Based Compensation - Additional Information (Details)
Equity-Based Compensation - UGI Unit Award Activity (Details)
Commitments and Contingencies - Commitments (Details)
Commitments and Contingencies - Contingencies (Details)
Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details)
Fair Value Measurements - Long-term Debt (Details)
Derivative Instruments and Hedging Activities - Additional Information (Details)
Derivative Instruments and Hedging Activities - Derivative Assets and Liabilities Including Offsetting Amounts (Details)
Derivative Instruments and Hedging Activities - Effects of Derivative Instruments on Consolidated Statements of Income and Changes in AOCI (Details)
Accumulated Other Comprehensive Income (Details)
Segment Information (Details)
Other Operating Income (Expense), Net (Details)
Related Party Transactions (Details)
Quarterly Data (unaudited) (Details)
Schedule II - Valuation and Qualifying Accounts (Details)
All Reports
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