0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Statements Of Income And Earnings Reinvested In The Business (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Statements Of Comprehensive Income (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Balance Sheets (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Balance Sheets (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements Of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Pending Acquisition link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Revenue from Contracts with Customers link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Financial Instruments link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Capitalization link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Business Segment Information link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Retirement Plan and Other Post-Retirement Benefits link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Regulatory Matters link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of Significant Accounting Policies (Policy) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Revenue from Contracts with Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Capitalization (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Business Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Retirement Plan and Other Post-Retirement Benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Summary of Significant Accounting Policies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Summary of Significant Accounting Policies (Consolidated Statements Of Cash Flows) (Details) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Summary of Significant Accounting Policies (Schedule of Allowance for Uncollectible Accounts) (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Summary of Significant Accounting Policies (Schedule of Components of Accumulated Other Comprehensive Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Summary of Significant Accounting Policies (Schedule of Reclassification Out of Accumulated Other Comprehensive Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Summary of Significant Accounting Policies (Schedule of Components of Other Current Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Summary of Significant Accounting Policies (Schedule of Other Accruals and Current Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Pending Acquisition (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Revenue from Contracts with Customers (Schedule of Disaggregation of Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Revenue from Contracts with Customers (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Revenue from Contracts with Customers (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Fair Value Measurements (Schedule of Recurring Fair Value Measures of Assets and Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Fair Value Measurements (Schedule of Nonrecurring Fair Value Measures Within Level 3) (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Financial Instruments (Schedule of Long-Term Debt) (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Financial Instruments (Schedule of Other Investments) (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Financial Instruments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Financial Instruments (Schedule of Cash Flow Hedges) (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Capitalization (Schedule of Changes in Common Stock Equity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Capitalization (Schedule of Common Stock Share Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Capitalization (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Business Segment Information (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Business Segment Information - (Schedule of Information By Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Retirement Plan and Other Post-Retirement Benefits (Schedule of Components of Net Periodic Benefit Cost) (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Retirement Plan and Other Post-Retirement Benefits (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Regulatory Matters (Details) link:presentationLink link:calculationLink link:definitionLink