Quarterly report pursuant to Section 13 or 15(d)

Other Expenses and Charges - Accrued Restructuring Rollforward (Details)

v3.21.2
Other Expenses and Charges - Accrued Restructuring Rollforward (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2021
Sep. 30, 2020
Restructuring Cost and Reserve [Line Items]            
Liability at beginning of period       $ 8   $ 8
Costs Recognized $ 0 $ 0 $ 16 13 $ 0 29
Cash Payments           (25)
Liability at end of period 2 10     2 10
Other           (2)
2019 Plan            
Restructuring Cost and Reserve [Line Items]            
Liability at beginning of period       8   8
Costs Recognized           0
Cash Payments           (6)
Liability at end of period   1       1
Other           (1)
2020 Plans            
Restructuring Cost and Reserve [Line Items]            
Liability at beginning of period       0 10 0
Costs Recognized           29
Cash Payments         (8) (19)
Liability at end of period 2 9     2 9
Other           (1)
Personnel-related | 2020 Plans            
Restructuring Cost and Reserve [Line Items]            
Liability at beginning of period       0 7 0
Costs Recognized           23
Cash Payments         (6) (17)
Liability at end of period 1 5     1 5
Other           (1)
Facility-related | 2020 Plans            
Restructuring Cost and Reserve [Line Items]            
Liability at beginning of period       0 3 0
Costs Recognized           5
Cash Payments         (2) (1)
Liability at end of period $ 1 4     $ 1 4
Other           0
Other | 2020 Plans            
Restructuring Cost and Reserve [Line Items]            
Liability at beginning of period       $ 0   0
Costs Recognized           1
Cash Payments           (1)
Liability at end of period   $ 0       0
Other           $ 0