100000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 100010 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 100020 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100030 - Statement - Condensed Consolidated Statements of Income link:presentationLink link:calculationLink link:definitionLink 100040 - Statement - Condensed Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 100050 - Statement - Condensed Consolidated Statements of Comprehensive Income (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100060 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 100070 - Statement - Condensed Consolidated Statements of Changes in Common Stockholders' Investment link:presentationLink link:calculationLink link:definitionLink 100080 - Statement - Condensed Consolidated Statements of Changes in Common Stockholders' Investment (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100090 - Disclosure - General link:presentationLink link:calculationLink link:definitionLink 100100 - Disclosure - Credit Losses link:presentationLink link:calculationLink link:definitionLink 100110 - Disclosure - Accumulated Other Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 100120 - Disclosure - Financing Arrangements link:presentationLink link:calculationLink link:definitionLink 100130 - Disclosure - Computation of Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 100140 - Disclosure - Retirement Plans link:presentationLink link:calculationLink link:definitionLink 100150 - Disclosure - Business Segment Information link:presentationLink link:calculationLink link:definitionLink 100160 - Disclosure - Commitments link:presentationLink link:calculationLink link:definitionLink 100170 - Disclosure - Contingencies link:presentationLink link:calculationLink link:definitionLink 100180 - Disclosure - Supplemental Cash Flow Information link:presentationLink link:calculationLink link:definitionLink 100190 - Disclosure - General (Policies) link:presentationLink link:calculationLink link:definitionLink 100200 - Disclosure - General (Tables) link:presentationLink link:calculationLink link:definitionLink 100210 - Disclosure - Accumulated Other Comprehensive Loss (Tables) link:presentationLink link:calculationLink link:definitionLink 100220 - Disclosure - Computation of Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 100230 - Disclosure - Retirement Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 100240 - Disclosure - Business Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 100250 - Disclosure - Commitments (Tables) link:presentationLink link:calculationLink link:definitionLink 100260 - Disclosure - Supplemental Cash Flow Information (Tables) link:presentationLink link:calculationLink link:definitionLink 100270 - Disclosure - General - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100280 - Disclosure - General - Schedule of Revenue by Service Type (Details) link:presentationLink link:calculationLink link:definitionLink 100290 - Disclosure - Credit Losses - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100300 - Disclosure - Accumulated Other Comprehensive Loss - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) ("AOCI") (Details) link:presentationLink link:calculationLink link:definitionLink 100310 - Disclosure - Accumulated Other Comprehensive Loss - Reclassification Out of Accumulated Other Comprehensive Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 100320 - Disclosure - Financing Arrangements - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100330 - Disclosure - Computation of Earnings Per Share - Schedule of Basic and Diluted Earnings per Common Share (Details) link:presentationLink link:calculationLink link:definitionLink 100340 - Disclosure - Retirement Plans - Schedule of Retirement Plan Costs (Details) link:presentationLink link:calculationLink link:definitionLink 100350 - Disclosure - Retirement Plans - Schedule of Net Periodic Benefit Cost (Details) link:presentationLink link:calculationLink link:definitionLink 100360 - Disclosure - Retirement Plans - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100370 - Disclosure - Business Segment Information - Schedule of Segment Information (Details) link:presentationLink link:calculationLink link:definitionLink 100380 - Disclosure - Commitments - Schedule of Purchase Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 100390 - Disclosure - Commitments - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100400 - Disclosure - Commitments - Schedule of Aircraft Purchase Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 100410 - Disclosure - Commitments - Summary of Future Minimum Lease Payments, Operating and Finance Leases (Details) link:presentationLink link:calculationLink link:definitionLink 100420 - Disclosure - Contingencies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100430 - Disclosure - Commitments - Summary of Future Minimum Lease Payments, Operating and Finance Leases (Details) 2 link:presentationLink link:calculationLink link:definitionLink 100440 - Disclosure - Supplemental Cash Flow Information - Supplemental Cash Flow (Details) link:presentationLink link:calculationLink link:definitionLink