XML 60 R45.htm IDEA: XBRL DOCUMENT v3.22.0.1
Restructuring (Tables)
12 Months Ended
Dec. 31, 2021
Restructuring and Related Activities [Abstract]  
Schedule of restructuring activity
The following table summarizes restructuring reserve activity during 2021 (in millions):
 Employee Severance and Benefits
Accrued liability as of January 1, 2021$— 
Charges35 
Payments(34)
Accrued liability as of December 31, 2021$