v3.21.2
Restructuring and Integration - Additional Information (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Restructuring Cost And Reserve [Line Items]        
Expected cumulative costs $ 135      
Total expenses 103      
Accrued restructuring liability 4 $ 6   $ 15
Severance and Related Benefits        
Restructuring Cost And Reserve [Line Items]        
Accrued restructuring liability 4 $ 6   12
Other Restructuring Costs        
Restructuring Cost And Reserve [Line Items]        
Accrued restructuring liability       $ 3
The Plan [Member]        
Restructuring Cost And Reserve [Line Items]        
Expected cumulative costs     $ 135  
Expected annual cost savings by 2022     196  
Total expenses $ 103      
The Plan [Member] | Severance and Related Benefits        
Restructuring Cost And Reserve [Line Items]        
Expected cumulative costs     80  
The Plan [Member] | Other Restructuring Costs        
Restructuring Cost And Reserve [Line Items]        
Expected cumulative costs     $ 55