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Short-Term Borrowings
 12 Months Ended
Dec. 31, 2021
Short-term Debt [Abstract]  
Short-Term Borrowings Short-Term Borrowings
Short-term borrowings consisted of the following:
 December 31,
  
2021Rate2020Rate
 (dollars are in millions)
Securities sold under repurchase agreements$2,315 .05 %$1,765 .22 %
Commercial paper3,683 .36 2,998 .52 
Other340 189 
Total short-term borrowings$6,338 $4,952 
During 2019, we recorded a loss of $14 million on extinguishment of certain repurchase agreements.