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Employee Separation and Exit and Disposal Activities (Tables)
12 Months Ended
Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]  
Schedule of Restructuring Reserve by Type of Cost [Table Text Block] The following table summarizes the activities for the years ended December 31, which are recorded in Other liabilities and deferred revenue (in millions):
20202021
Beginning balance$734 $1,732 
Changes in accruals (a)1,598 1,150 
Payments(631)(1,883)
Foreign currency translation31 (49)
Ending balance$1,732 $950 
__________(a)    Excludes pension costs of $268 million and $156 million in 2020 and 2021, respectively