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Insider Trading Arrangements | 3 Months Ended | 6 Months Ended
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Jun. 30, 2024 shares | Jun. 30, 2024 shares
ecd_TradingArrByIndTable |  |
Material Terms of Trading Arrangement [Text Block] |  | Item 5. Other Information On April 26, 2024, Elizabeth F. Whited, President, adopted a trading plan intended to satisfy Rule 10b5-1(c) to sell up to 3,552 shares of Union Pacific Corporation common stock between July 30, 2024, and January 31, 2025, subject to certain conditions. On April 26, 2024, Jennifer L. Hamann, Executive Vice President and Chief Financial Officer, adopted a trading plan intended to satisfy Rule 10b5-1(c) to sell up to 2,000 shares of Union Pacific Corporation common stock between July 30, 2024, and January 31, 2025, subject to certain conditions.
Elizabeth F. Whited [Member] |  |
ecd_TradingArrByIndTable |  |
Non-Rule 10b5-1 Arrangement Terminated [Flag] | false |
Rule 10b5-1 Arrangement Terminated [Flag] | false |
Trading Arrangement, Securities Aggregate Available Amount | 3,552 | 3,552
Non-Rule 10b5-1 Arrangement Adopted [Flag] | false |
Trading Arrangement Adoption Date | April 26, 2024 |
Trading Arrangement, Individual Name | Elizabeth F. Whited |
Trading Arrangement, Individual Title | President |
Rule 10b5-1 Arrangement Adopted [Flag] | true |
Jennifer L. Hamann [Member] |  |
ecd_TradingArrByIndTable |  |
Non-Rule 10b5-1 Arrangement Terminated [Flag] | false |
Rule 10b5-1 Arrangement Terminated [Flag] | false |
Trading Arrangement, Securities Aggregate Available Amount | 2,000 | 2,000
Non-Rule 10b5-1 Arrangement Adopted [Flag] | false |
Trading Arrangement Adoption Date | April 26, 2024 |
Trading Arrangement, Individual Name | Jennifer L. Hamann |
Trading Arrangement, Individual Title | Executive Vice President and Chief Financial Officer |
Rule 10b5-1 Arrangement Adopted [Flag] | true |

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