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Related Party Transactions (Tables)
 3 Months Ended
Mar. 31, 2022
Related Party Transactions [Abstract]  
Schedule of Related Party Transactions The following table summarizes revenues earned by BNSF for services provided to related parties and expenditures to related parties (in millions):
Three Months Ended
March 31,
20222021
Revenues$24 $23 
Expenditures$90 $97