001000 - Statement - Consolidated Balance Sheet link:presentationLink link:calculationLink link:definitionLink 002000 - Statement - Consilidated Statement of Income link:presentationLink link:calculationLink link:definitionLink 003000 - Statement - Consolidated Statement of Cash Flows link:presentationLink link:calculationLink link:definitionLink 006010 - Disclosure - Operations and Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 006020 - Disclosure - Business Segments link:presentationLink link:calculationLink link:definitionLink 006070 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 006170 - Disclosure - Derivatives link:presentationLink link:calculationLink link:definitionLink 006080 - Disclosure - Fair Value link:presentationLink link:calculationLink link:definitionLink 006050 - Disclosure - Regulatory Matters link:presentationLink link:calculationLink link:definitionLink 006060 - Disclosure - Investment in ATC link:presentationLink link:calculationLink link:definitionLink 006090 - Disclosure - Short-term and Long-term Debt link:presentationLink link:calculationLink link:definitionLink 006120 - Disclosure - Other Income (Expense) link:presentationLink link:calculationLink link:definitionLink 006130 - Disclosure - Income Tax Expense link:presentationLink link:calculationLink link:definitionLink 006140 - Disclosure - Other Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 006110 - Disclosure - EarningsPerShareAndCommonStock link:presentationLink link:calculationLink link:definitionLink 006150 - Disclosure - Pension and Other Postretirement Benefit Plans link:presentationLink link:calculationLink link:definitionLink 006100 - Disclosure - Commitments, Guarantees and Contingencies link:presentationLink link:calculationLink link:definitionLink 001010 - Statement - Consolidated Balance Sheet (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 004000 - Statement - Consolidated Statement of Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 006180 - Disclosure - Quarterly Financial Data (Unaudited) link:presentationLink link:calculationLink link:definitionLink 006160 - Disclosure - Employee Stock and Incentive Plans link:presentationLink link:calculationLink link:definitionLink 006040 - Disclosure - Jointly-Owned Electric Facility link:presentationLink link:calculationLink link:definitionLink 006030 - Disclosure - Property, Plant and Equipment link:presentationLink link:calculationLink link:definitionLink 006190 - Disclosure - Valuation and Qualifying Accounts and Reserves link:presentationLink link:calculationLink link:definitionLink