0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Statements of Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statement of Equity link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Consolidated Statement of Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Revenue from Contracts with Customers link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Retirement Benefits link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Property and Equipment link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Goodwill and Other Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Prepaid Expenses and Other link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Other Assets link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Accumulated Other Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Fair Value of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Accrued Liabilities link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Other Long-term Liabilities link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Accounts Receivable and Credit Losses link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Share-Based Compensation Plans link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - Capital Stock link:presentationLink link:calculationLink link:definitionLink 9952176 - Disclosure - Supplemental Cash Flow Information link:presentationLink link:calculationLink link:definitionLink 9952177 - Disclosure - Other Operating Income (Expense) link:presentationLink link:calculationLink link:definitionLink 9952178 - Disclosure - Interest and Other Nonoperating Income (Expense) link:presentationLink link:calculationLink link:definitionLink 9952179 - Disclosure - Other Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952180 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Revenue from Contracts with Customers (Policies) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Revenue from Contracts with Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Retirement Benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Property and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Goodwill and Other Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Prepaid Expenses and Other (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Other Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Fair Value of Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Accrued Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Other Long-term Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Accounts Receivable and Credit Losses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Share-Based Compensation Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Capital Stock (Tables) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Supplemental Cash Flow Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Other Operating Income (Expense) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Interest and Other Nonoperating Income (Expense) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Summary of Significant Accounting Policies - Estimated Useful Lives (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Summary of Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Revenue from Contracts with Customers - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Revenue from Contracts with Customers - Contract Balances (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Segment Information - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Segment Information - Revenue And Operating Profits (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Segment Information - Capital Expenditures, Depreciation, Amortization (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Segment Information - Assets, Long Lived Assets, Revenues, Net Assets by Geographic Area (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Retirement Benefits - Retirement Cost (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Retirement Benefits - Obligations and Funded Status (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Retirement Benefits - Information Comparing Plan Assets to Plan Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Retirement Benefits - Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Retirement Benefits - Estimated Future Pension Benefit Payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Retirement Benefits - Estimated OPEB Future Benefit Payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Retirement Benefits - Plan Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Retirement Benefits - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Retirement Benefits - Savings Plan (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Retirement Benefits - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Income Taxes - Income and Taxes from Continuing Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Income Taxes - Rate Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Income Taxes - Rate Reconciliation, Differences Between Actual Tax Rate on Continuing Operations and Statutory U.S. Federal Income Tax Rate (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Income Taxes - Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Income Taxes - Valuation Allowances (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Income Taxes - Net Operating Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Income Taxes - Uncertain Tax Positions (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Income Taxes - Cash Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Goodwill and Other Intangible Assets - From Acquisitions (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Goodwill and Other Intangible Assets - Other Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Prepaid Expenses and Other (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Other Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Amounts in OCI (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Reclasses Out Of AOCI (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Fair Value of Financial Instruments - Fixed-Rate Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Fair Value of Financial Instruments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Fair Value of Financial Instruments - Economic Hedges (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Fair Value of Financial Instruments - Net Investment Hedges (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Fair Value of Financial Instruments - Interest Rate Swaps (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Accrued Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Other Long-term Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Debt - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Debt - Minimum Repayments Long Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Debt - Financing Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - Accounts Receivable and Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - Leases - Supplemental Balance Sheet (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - Leases - Lease Cost (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - Leases - Other Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955583 - Disclosure - Leases - Operating Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955584 - Disclosure - Leases - Financing Leases Minimum Repayments (Details) link:presentationLink link:calculationLink link:definitionLink 9955584 - Disclosure - Leases - Financing Leases Minimum Repayments (Details) link:presentationLink link:calculationLink link:definitionLink 9955585 - Disclosure - Share-Based Compensation Plans - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955586 - Disclosure - Share-Based Compensation Plans - Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955587 - Disclosure - Share-Based Compensation Plans - Activity - RSU, PSU, DSU (Details) link:presentationLink link:calculationLink link:definitionLink 9955588 - Disclosure - Share-Based Compensation Plans - Terms and Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 9955589 - Disclosure - Share-Based Compensation Plans - Options Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955590 - Disclosure - Capital Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9955591 - Disclosure - Capital Stock - Shares Used To Calculate Earnings (Details) link:presentationLink link:calculationLink link:definitionLink 9955592 - Disclosure - Supplemental Cash Flow Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955593 - Disclosure - Other Operating Income (Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 9955594 - Disclosure - Interest and Other Nonoperating Income (Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 9955595 - Disclosure - Other Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955596 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink