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Restructuring and Related Activities (Tables)
12 Months Ended
Dec. 31, 2020
Restructuring and Related Activities [Abstract]  
Restructuring and Related Costs
Restructuring and Other Costs, Before Tax
Incurred in the Year Ended December 31, 2020 [1]Total Amount Expected to be Incurred
Severance benefits$73 $73 
IT costs26 
Professional fees and other expenses29 59 
Total restructuring and other costs, before tax$104 $158 
[1] Amounts incurred for the twelve months ended December 31, 2020 are the cumulative incurred under the restructuring program.
Schedule of Restructuring Reserve by Type of Cost
Accrued Restructuring and Other Costs
Year Ended December 31, 2020
Severance Benefits and Related CostsIT CostsProfessional Fees and OtherTotal Restructuring and Other Costs Liability
Balance, beginning of period$ $ $ $ 
Incurred73 29 104 
Payments(19)(2)(29)(50)
Balance, end of period$54 $ $ $54