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Related Party Transactions (Tables)
 9 Months Ended
Sep. 30, 2020
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
September 30,		Nine Months Ended
September 30,
2020201920202019
Revenues$28 $39 $94 $118 
Expenditures$85 $93 $259 $286