0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Statements of Income link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Consolidated Statements of Changes in Equity link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Accounting Policies and Interim Results link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Segment Reporting link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Revenue from Contracts with Customers link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Accounts Receivable, Net link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Internal-Use Software link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Employment Benefit Plans link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Accumulated Other Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Accounting Pronouncements link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Segment Reporting (Tables) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Revenue from Contracts with Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Employment Benefit Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Accumulated Other Comprehensive Income (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Accounting Policies and Interim Results (Details) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Segment Reporting (Details) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Revenue from Contracts with Customers Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Revenue from Contracts with Customers Disclosure of contract asset and liability (Details) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Revenue from Contracts with Customers Remaining performance obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Accounts Receivable, Net Allowance for Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Intangible Assets, Goodwill and Other (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Internal-Use Software (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Debt Notes and Debentures (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Debt Fair Value of Debt Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Commitments and Contingencies Personal Injury (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Commitments and Contingencies Environmental (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Commitments and Contingencies Other Claims and Litigation (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Commitments and Contingencies Insurance (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Employment Benefit Plans (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Accumulated Other Comprehensive Income AOCI by Component (Details) link:presentationLink link:calculationLink link:definitionLink