XML 23 R12.htm IDEA: XBRL DOCUMENT v3.21.1
Postretirement benefit plans
 3 Months Ended
Mar. 31, 2021
Retirement Benefits [Abstract]  
Postretirement benefit plans Postretirement benefit plans
Expense related to defined benefit and retiree health care benefit plans is as follows:
U.S. Defined BenefitU.S. Retiree Health CareNon-U.S. Defined Benefit
For Three Months Ended March 31,202120202021202020212020
Service cost$5 $4 $1 $1 $9 $8 
Interest cost8 9 3 3 9 9 
Expected return on plan assets(8)(9)(3)(3)(20)(18)
Recognized net actuarial loss4 2 — — 2 3 
Net periodic benefit costs9 6 1 1 — 2 
Settlement losses4 4 — — 1 1 
Total, including other postretirement losses$13 $10 $1 $1 $1 $3