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Restructuring Programs - Additional Information (Details)
$ in Millions
3 Months Ended
Mar. 31, 2022
USD ($)
employee
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Restructuring Cost and Reserve [Line Items]      
Net restructuring and asset impairment charges $ 20    
Restructuring charges $ 23    
Headcount reductions, number of employees | employee 450    
Reversals $ 3    
Payments for restructuring 7 $ 27  
Restructuring related reserve 15   $ 18
HCL Technologies      
Restructuring Cost and Reserve [Line Items]      
Payments for restructuring 1 $ 3  
Severance and Related Costs      
Restructuring Cost and Reserve [Line Items]      
Net restructuring and asset impairment charges 19    
Restructuring charges 22    
Reversals 3    
Asset Impairments      
Restructuring Cost and Reserve [Line Items]      
Net restructuring and asset impairment charges 1    
Restructuring charges 1    
Reversals $ 0