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Related Parties
 12 Months Ended
Dec. 31, 2024
Related Party Transactions [Abstract]  
Related Parties Related Parties
UPRR and other North American railroad companies jointly own TTX Company (TTX). UPRR has a 37.03% economic interest in TTX while the other North American railroads own the remaining interest. In accordance with ASC 323 Investments - Equity Method and Joint Venture, UPRR applies the equity method of accounting to our investment in TTX.
TTX is a rail car pooling company that owns rail cars and intermodal wells to serve North America’s railroads. TTX assists railroads in meeting the needs of their customers by providing rail cars in an efficient, pooled environment. All railroads may utilize TTX rail cars through car hire by renting rail cars at stated rates.
UPRR had $1.9 billion and $1.8 billion recognized as investments related to TTX in our Consolidated Statements of Financial Position as of December 31, 2024 and 2023, respectively. TTX car hire expense of $432 million in 2024, $399 million in 2023, and $402 million in 2022 are included in equipment and other rents in our Consolidated Statements of Income. In addition, UPRR had accounts payable to TTX of $70 million and $60 million at December 31, 2024 and 2023, respectively.