XML 51 R37.htm IDEA: XBRL DOCUMENT v3.20.2
Restructuring (Tables)
9 Months Ended
Sep. 30, 2020
Restructuring and Related Activities [Abstract]  
Schedule of restructuring activity
The following table summarizes restructuring reserve activity during the nine months ended September 30, 2020 (in millions):
 Employee Severance and Benefits
Accrued liability as of January 1, 2020$28 
Charges
Payments(33)
Accrued liability as of September 30, 2020$