XML 50 R39.htm IDEA: XBRL DOCUMENT v3.22.1
Restructuring and Impairment Charges - Employee-related severance (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Restructuring accrual    
Restructuring charges $ 2 $ 10
Employee-related severance costs    
Restructuring accrual    
Balance in severance accrual at beginning of period 3  
Payments made to terminated employees (1)  
Balance in severance accrual at end of period $ 2