UNION PACIFIC CORP

000 - Document - Document And Entity Information

001 - Statement - Condensed Consolidated Statements of Income (Unaudited)

002 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited)

003 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals)

004 - Statement - Condensed Consolidated Statements of Financial Position (Unaudited)

006 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)

007 - Statement - Condensed Consolidated Statements of Changes in Common Shareholders' Equity (Unaudited)

009 - Disclosure - Note 1 - Basis of Presentation

010 - Disclosure - Note 2 - Operations and Segmentation

011 - Disclosure - Note 3 - Stock-based Compensation

012 - Disclosure - Note 4 - Retirement Plans

013 - Disclosure - Note 5 - Other Income

014 - Disclosure - Note 6 - Income Taxes

015 - Disclosure - Note 7 - Earnings Per Share

016 - Disclosure - Note 8 - Accumulated Other Comprehensive Income/Loss

017 - Disclosure - Note 9 - Accounts Receivable

018 - Disclosure - Note 10 - Properties

019 - Disclosure - Note 11 - Accounts Payable and Other Current Liabilities

020 - Disclosure - Note 12 - Financial Instruments

021 - Disclosure - Note 13 - Debt

022 - Disclosure - Note 14 - Commitments and Contingencies

023 - Disclosure - Note 15 - Share Repurchase Programs

024 - Disclosure - Note 16 - Related Parties

025 - Disclosure - Other Information - Rule 10b5-1 Disclosure

026 - Disclosure - Note 2 - Operations and Segmentation (Tables)

027 - Disclosure - Note 3 - Stock-based Compensation (Tables)

028 - Disclosure - Note 4 - Retirement Plans (Tables)

029 - Disclosure - Note 5 - Other Income (Tables)

030 - Disclosure - Note 7 - Earnings Per Share (Tables)

031 - Disclosure - Note 8 - Accumulated Other Comprehensive Income/Loss (Tables)

032 - Disclosure - Note 10 - Properties (Tables)

033 - Disclosure - Note 11 - Accounts Payable and Other Current Liabilities (Tables)

034 - Disclosure - Note 13 - Debt (Tables)

035 - Disclosure - Note 14 - Commitments and Contingencies (Tables)

036 - Disclosure - Note 15 - Share Repurchase Programs (Tables)

037 - Disclosure - Note 2 - Operations and Segmentation (Details Textual)

038 - Disclosure - Note 2 - Operations and Segmentation - Summary of Freight and Other Revenues (Details)

039 - Disclosure - Note 3 - Stock-based Compensation (Details Textual)

040 - Disclosure - Note 3 - Stock-based Compensation - Stock-based Compensation (Details)

041 - Disclosure - Note 3 - Stock-based Compensation- Stock Option Assumption (Details)

042 - Disclosure - Note 3 - Stock-based Compensation - Summary of Stock Option Activity (Details)

043 - Disclosure - Note 3 - Stock-based Compensation - Additional Information Regarding Stock Option Exercises (Details)

044 - Disclosure - Note 3 - Stock-based Compensation - Changes in Retention Awards (Details)

045 - Disclosure - Note 3 - Stock-based Compensation - Changes in Performance Retention Awards (Details)

046 - Disclosure - Note 4 - Retirement Plans (Details Textual)

047 - Disclosure - Note 4 - Retirement Plans - Components of Net Periodic Pension and OPEB Cost (Details)

048 - Disclosure - Note 5 - Other Income (Details Textual)

049 - Disclosure - Note 5 - Other Income - Schedule of Other Income (Details)

050 - Disclosure - Note 6 - Income Taxes (Details Textual)

051 - Disclosure - Note 7 - Earnings Per Share - Schedule of Reconciliation (Details)

052 - Disclosure - Note 8 - Accumulated Other Comprehensive Income/Loss - Schedule of Reclassification (Details)

053 - Disclosure - Note 8 - Accumulated Other Comprehensive Income/Loss - Schedule of Reclassification (Details) (Parentheticals)

054 - Disclosure - Note 9 - Accounts Receivable (Details Textual)

055 - Disclosure - Note 10 - Properties - Schedule of Property and Equipment Major Categories (Details)

056 - Disclosure - Note 11 - Accounts Payable and Other Current Liabilities - Schedule of Accounts Payable and Other Current Liabilities (Details)

057 - Disclosure - Note 12 - Financial Instruments (Details Textual)

058 - Disclosure - Note 13 - Debt (Details Textual)

059 - Disclosure - Note 13 - Debt - Schedule of Unsecured Debt (Details)

061 - Disclosure - Note 14 - Commitments and Contingencies (Details Textual)

062 - Disclosure - Note 14 - Commitments and Contingencies - Personal Injury Liability Activity (Details)

063 - Disclosure - Note 14 - Commitments and Contingencies - Environmental Liability Activity (Details)

064 - Disclosure - Note 15 - Share Repurchase Programs (Details Textual)

065 - Disclosure - Note 15 - Share Repurchase Programs - Schedule of Share Repurchase Programs (Details)

066 - Disclosure - Note 16 - Related Parties (Details Textual)

067 - Disclosure - Other Information - Rule 10b5-1 Disclosure (Details Textual)