XML 80 R69.htm IDEA: XBRL DOCUMENT v3.19.1
Pension and Other Postretirement Benefit Plans - Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Other Postretirement Benefit Plans    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 12 $ 14
Interest cost 17 18
Expected return on plan assets (18) (21)
Amortization of unrecognized prior service credit (21) (21)
Termination benefits 0 1
Curtailments 0 (4)
Net periodic benefit cost (10) (13)
U.S. | Pension Plans    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 71 83
Interest cost 114 108
Expected return on plan assets (206) (214)
Amortization of unrecognized prior service credit (12) (13)
Net loss amortization 35 56
Termination benefits 2 11
Curtailments 0 (2)
Settlements 0 1
Net periodic benefit cost 4 30
International | Pension Plans    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 60 67
Interest cost 45 46
Expected return on plan assets (108) (113)
Amortization of unrecognized prior service credit (3) (3)
Net loss amortization 16 21
Termination benefits 0 0
Curtailments 0 0
Settlements 0 0
Net periodic benefit cost $ 10 $ 18