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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
3 Months Ended
Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
A summary of the changes in each component of Accumulated other comprehensive (loss), net of tax for the quarters ended March 31, 2020 and 2019 were as follows:

(dollars in millions)Foreign Currency TranslationDefined Benefit Pension and Post-retirement PlansAccumulated Other Comprehensive (Loss)
Balance as of January 1, 2020  $(780) $(473) $(1,253) 
Other comprehensive loss before reclassifications, net(488) —  (488) 
Amounts reclassified, pre-tax—    
Tax benefit reclassified—  (1) (1) 
Balance as of March 31, 2020  $(1,268) $(468) $(1,736) 

(dollars in millions)Foreign Currency TranslationDefined Benefit Pension and Post-retirement PlansAccumulated Other Comprehensive (Loss)
Balance as of January 1, 2019  $(834) $(381) $(1,215) 
Other comprehensive income before reclassifications, net91   93  
Amounts reclassified, pre-tax—    
ASU 2018-02 adoption impact—  (9) (9) 
Balance as of March 31, 2019  $(743) $(385) $(1,128) 

Amounts reclassified related to defined benefit pension and post-retirement plans include amortization of prior service costs and recognized actuarial net losses. These costs are recorded as components of net periodic pension cost for each period presented (see Note 11 – Employee Benefit Plans for additional details).