XML 113 R98.htm IDEA: XBRL DOCUMENT v3.20.4
Pension and Other Postretirement Benefits (Components of Pension Expense) (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]                    
Amortization of actuarial loss $ (5) $ (5) $ (19) $ (37) $ (7) $ (6) $ (31)      
Other Postretirement Benefits                    
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]                    
Service cost               $ 1 $ 1 $ 4
Interest cost               5 6 6
Amortization of actuarial loss               4 3 4
Amortization of prior service cost               (26) (34) (37)
Net periodic cost               (16) (24) (23)
U.S. Plans | Pension Plan                    
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]                    
Service cost               18 15 17
Interest cost               38 50 47
Expected return on plan assets               (73) (70) (85)
Settlements               3 0 0
Amortization of actuarial loss               56 55 51
Amortization of prior service cost               1 1 1
Net periodic cost               43 51 31
Non-U.S. Plans | Pension Plan                    
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]                    
Service cost               12 15 26
Interest cost               53 71 75
Expected return on plan assets               (107) (138) (159)
Settlements               63 44 38
Curtailments               0 (14) 0
Amortization of actuarial loss               28 38 45
Amortization of prior service cost               0 (1) (11)
Net periodic cost               $ 49 $ 15 $ 14