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Restructuring and Reorganization Costs
3 Months Ended
Mar. 31, 2021
Restructuring and Related Activities [Abstract]  
Restructuring and Reorganization Costs Restructuring and Reorganization Costs
The following table summarizes the accrued severance liability, which is classified as current on the Consolidated Balance Sheet.
Amounts Before Tax
(Millions of dollars)
Balance at January 1, 2021$470 
Accruals/Adjustments— 
Payments(272)
Balance at March 31, 2021$198