0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Condensed Consolidated Balance Sheets (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Condensed Consolidated Statements of Operations (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Statement of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952155 - Disclosure - Basis of Presentation and Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - Revenues link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Receivables link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Inventories link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Notes Payable and Long-Term Debt link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Equities link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Benefit Plans link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Segment Reporting link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Derivative Financial Instruments and Hedging Activities link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Supplemental Balance Sheet link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Basis of Presentation and Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Revenues (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Receivables (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Inventories (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Notes Payable and Long-Term Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Equities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Benefit Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Segment Reporting (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Derivative Financial Instruments and Hedging Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Supplemental Balance Sheet (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Revenues - Schedule of Disaggregation of Revenues (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Revenues - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Receivables - Schedule of Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Receivables - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Inventories - Schedule of Inventories (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Inventories - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Investments - Schedule of Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Investments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Investments - Schedule of Equity Method Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Notes Payable and Long-Term Debt - Schedule of Notes Payable (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Notes Payable and Long-Term Debt - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Notes Payable and Long-Term Debt - Schedule of Long-Term debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Notes Payable and Long-Term Debt - Schedule of Long-Term debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Equities - Schedule of Changes in Equities (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Equities - Schedule of Dividends Declared Per Share for Preferred Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Equities - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Benefit Plans - Schedule of Net Periodic Benefit Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Benefit Plans - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Segment Reporting - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Segment Reporting - Schedule of Segment Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Derivative Financial Instruments and Hedging Activities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Derivative Financial Instruments and Hedging Activities - Schedule of Gross Fair Values of Assets and Liabilities Along with Related Amounts Permitted to be Offset (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Derivative Financial Instruments and Hedging Activities - Schedule of Pretax Gains (Losses) on Derivatives Not Accounted for as Hedging Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Derivative Financial Instruments and Hedging Activities - Schedule of Notional Volumes for Commodity Contracts (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Derivative Financial Instruments and Hedging Activities - Schedule of Fair Value of Commodity Derivatives Designated as Cash Flow Hedges (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Derivative Financial Instruments and Hedging Activities - Schedule of Pretax Gains (Losses) Recorded in Other Comprehensive Income (Loss) Relating to Cash Flow Hedges (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Derivative Financial Instruments and Hedging Activities - Schedule of Pretax Gains (Losses) Related to Cash Flow Hedges Reclassified from Accumulated Other Comprehensive Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Supplemental Balance Sheet (Details) link:presentationLink link:calculationLink link:definitionLink