Other Information - Rule 10b5-1 Disclosure	9 Months Ended
Sep. 30, 2023
Notes to Financial Statements
Issuer Rule 10b5-1, Material Terms [Text Block]	Item 5. Other Information On July 28, 2023, Eric J. Gehringer, Executive Vice President - Operations for Union Pacific Railroad Company, adopted a trading plan intended to satisfy Rule 10b5-1(c) to sell up to 1,274 shares of Union Pacific Corporation common stock on or after October 30, 2023, subject to certain conditions. On August 22, 2023, V. James Vena, Chief Executive Officer, adopted a trading plan intended to satisfy Rule 10b5-1(c) to purchase up to 4,500 shares of Union Pacific Corporation common stock on or after November 21, 2023, subject to certain conditions.

Other Information - Rule 10b5-1 Disclosure

9 Months Ended

Sep. 30, 2023

Issuer Rule 10b5-1, Material Terms [Text Block]

Item 5. Other Information

On July 28, 2023, Eric J. Gehringer, Executive Vice President - Operations for Union Pacific Railroad Company, adopted a trading plan intended to satisfy Rule 10b5-1(c) to sell up to 1,274 shares of Union Pacific Corporation common stock on or after October 30, 2023, subject to certain conditions.

On August 22, 2023, V. James Vena, Chief Executive Officer, adopted a trading plan intended to satisfy Rule 10b5-1(c) to purchase up to 4,500 shares of Union Pacific Corporation common stock on or after November 21, 2023, subject to certain conditions.