UNION PACIFIC CORP

000 - Document - Document And Entity Information

001 - Statement - Consolidated Statements of Income

002 - Statement - Consolidated Statements Of Comprehensive Income

003 - Statement - Consolidated Statements Of Comprehensive Income (Parentheticals)

004 - Statement - Consolidated Statements Of Financial Position

005 - Statement - Consolidated Statements Of Financial Position (Parentheticals)

006 - Statement - Consolidated Statements Of Cash Flows

007 - Statement - Consolidated Statements of Changes in Common Shareholders' Equity

008 - Statement - Consolidated Statements of Changes in Common Shareholders' Equity (Parentheticals)

009 - Disclosure - Note 1 - Nature of Operations

010 - Disclosure - Note 2 - Significant Accounting Policies

011 - Disclosure - Note 3 - Accounting Pronouncements

012 - Disclosure - Note 4 - Stock Options and Other Stock Plans

013 - Disclosure - Note 5 - Retirement Plans

014 - Disclosure - Note 6 - Other Income

015 - Disclosure - Note 7 - Income Taxes

016 - Disclosure - Note 8 - Earnings Per Share

017 - Disclosure - Note 9 - Accumulated Other Comprehensive Income (Loss)

018 - Disclosure - Note 10 - Accounts Receivable

019 - Disclosure - Note 11 - Properties

020 - Disclosure - Note 12 - Accounts Payable and Other Current Liabilities

021 - Disclosure - Note 13 - Financial Instruments

022 - Disclosure - Note 14 - Debt

023 - Disclosure - Note 15 - Variable Interest Entities

024 - Disclosure - Note 16 - Leases

025 - Disclosure - Note 17 - Commitments and Contingencies

026 - Disclosure - Note 18 - Share Repurchase Programs

027 - Disclosure - Note 19 - Related Parties

028 - Disclosure - Significant Accounting Policies (Policies)

029 - Disclosure - Note 1 - Nature of Operations (Tables)

030 - Disclosure - Note 2 - Significant Accounting Policies (Tables)

031 - Disclosure - Note 4 - Stock Options and Other Stock Plans (Tables)

032 - Disclosure - Note 5 - Retirement Plans (Tables)

033 - Disclosure - Note 6 - Other Income (Tables)

034 - Disclosure - Note 7 - Income Taxes (Tables)

035 - Disclosure - Note 8 - Earnings Per Share (Tables)

036 - Disclosure - Note 9 - Accumulated Other Comprehensive Income (Loss) (Tables)

037 - Disclosure - Note 11 - Properties (Tables)

038 - Disclosure - Note 12 - Accounts Payable and Other Current Liabilities (Tables)

039 - Disclosure - Note 14 - Debt (Tables)

040 - Disclosure - Note 16 - Leases (Tables)

041 - Disclosure - Note 17 - Commitments and Contingencies (Tables)

042 - Disclosure - Note 18 - Share Repurchase Programs (Tables)

043 - Disclosure - Note 1 - Nature of Operations (Details Textual)

044 - Disclosure - Note 1 - Nature of Operations - Summary of Freight and Other Revenues (Details)

045 - Disclosure - Note 2 - Significant Accounting Policies (Details Textual)

046 - Disclosure - Note 2 - Significant Accounting Policies - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details)

047 - Disclosure - Note 4 - Stock Options and Other Stock Plans (Details Textual)

048 - Disclosure - Note 4 - Stock Options and Other Stock Plans - Stock-based Compensation (Details)

049 - Disclosure - Note 4 - Stock Options and Other Stock Plans - Stock Option Assumption (Details)

050 - Disclosure - Note 4 - Stock Options and Other Stock Plans - Summary of Stock Option Activity (Details)

051 - Disclosure - Note 4 - Stock Options and Other Stock Plans - Additional Information Regarding Stock Option Exercises (Details)

052 - Disclosure - Note 4 - Stock Options and Other Stock Plans - Changes in Retention Awards (Details)

053 - Disclosure - Note 4 - Stock Options and Other Stock Plans - Changes in Performance Retention Awards (Details)

054 - Disclosure - Note 5 - Retirement Plans (Details Textual)

055 - Disclosure - Note 5 - Pension and Other Postretirement Benefits - Changes in PBO and Plan Assets (Details)

056 - Disclosure - Note 5 - Retirement Plans - Amounts Recognized in the Statement of Financial Position (Details)

057 - Disclosure - Note 5 - Retirement Plans - Pre-tax Changes Recognized in Other Comprehensive Income (Loss) (Details)

058 - Disclosure - Note 5 - Retirement Plans - Accumulated Benefit Obligation (Details)

059 - Disclosure - Note 5 - Retirement Plans - Weighted Average Actuarial Assumptions (Details)

060 - Disclosure - Note 5 - Retirement Plans - Components of Net Periodic Pension and OPEB Cost (Details)

061 - Disclosure - Note 5 - Retirement Plans - Cash Contributions (Details)

062 - Disclosure - Note 5 - Retirement Plans - Benefit Payments (Details)

063 - Disclosure - Note 5 - Retirement Plans - Pension Plan Asset Allocation (Details)

064 - Disclosure - Note 5 - Retirement Plans - Plan Assets Measured At Fair Value (Details)

065 - Disclosure - Note 6 - Other Income (Details Textual)

066 - Disclosure - Note 6 - Other Income - Schedule of Other Income (Details)

067 - Disclosure - Note 7 - Income Taxes (Details Textual)

068 - Disclosure - Note 7 - Income Taxes - Schedule of Income Tax Expense Components (Details)

069 - Disclosure - Note 7 - Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details)

070 - Disclosure - Note 7 - Income Taxes - Schedule of Deferred Income Tax Assets (Liabilities) (Details)

071 - Disclosure - Note 7 - Income Taxes - Schedule of Unrecognized Tax Benefits Assets (Liabilities) (Details)

072 - Disclosure - Note 8 - Earnings Per Share (Details Textual)

073 - Disclosure - Note 8 - Earnings Per Share - Schedule of Reconciliation (Details)

074 - Disclosure - Note 9 - Accumulated Other Comprehensive Income (Loss) - Schedule of Reclassification (Details)

075 - Disclosure - Note 9 - Accumulated Other Comprehensive Income (Loss) - Schedule of Reclassification (Details) (Parentheticals)

076 - Disclosure - Note 10 - Accounts Receivable (Details Textual)

077 - Disclosure - Note 11 - Properties (Details Textual)

078 - Disclosure - Note 11 - Properties - Schedule of Property and Equipment Major Categories (Details)

079 - Disclosure - Note 12 - Accounts Payable and Other Current Liabilities - Schedule of Accounts Payable and Other Current Liabilities (Details)

080 - Disclosure - Note 13 - Financial Instruments (Details Textual)

081 - Disclosure - Note 14 - Debt (Details Textual)

082 - Disclosure - Note 14 - Debt - Schedule of Debt (Details)

083 - Disclosure - Note 14 - Debt - Schedule of Debt (Details) (Parentheticals)

084 - Disclosure - Note 14 - Debt - Schedule of Debt Maturities (Details)

085 - Disclosure - Note 14 - Debt - Schedule of Unsecured Debt (Details)

086 - Disclosure - Note 14 - Debt - Schedule of Unsecured Debt (Details) (Parentheticals)

087 - Disclosure - Note 15 - Variable Interest Entities (Details Textual)

088 - Disclosure - Note 16 - Leases (Details Textual)

089 - Disclosure - Note 16 - Leases - Schedule of Lessee's Assets and Liabilities (Details)

090 - Disclosure - Note 16 - Leases - Schedule of Lease Costs (Details)

091 - Disclosure - Note 16 - Leases - Schedule of Lease Maturities (Details)

092 - Disclosure - Note 16 - Leases - Schedule of Leases Term and Discount Rate (Details)

093 - Disclosure - Note 16 - Leases - Schedule of Other Lease Information (Details)

094 - Disclosure - Note 17 - Commitments and Contingencies (Details Textual)

095 - Disclosure - Note 17 - Commitments and Contingencies - Personal Injury Liability Activity (Details)

096 - Disclosure - Note 17 - Commitments and Contingencies - Environmental Liability Activity (Details)

097 - Disclosure - Note 18 - Share Repurchase Programs (Details Textual)

098 - Disclosure - Note 18 - Share Repurchase Programs - Schedule of Share Repurchase Programs (Details)

099 - Disclosure - Note 19 - Related Parties (Details Textual)