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Derivative Instruments and Hedging Activities (Tables)
12 Months Ended
Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Impact of Derivative Instruments on Consolidated Statements of Income and Accumulated OCI

The impact of derivative instruments on the consolidated statements of income and accumulated OCI was as follows (dollars in millions):

 

 

 

Loss Reclassified from Accumulated
OCI into Income (Effective Portion)
Year Ended December 31,

 

 

 

2021

 

 

2020

 

 

2019

 

Amortization of treasury locks (included in interest
   expense, net)

 

$

 

 

$

 

 

$

(18.2

)