v3.26.3
Postretirement benefit plans
 9 Months Ended
Sep. 30, 2026
Retirement Benefits [Abstract]  
Postretirement benefit plans Postretirement benefit plans
Expenses related to defined benefit and retiree health care benefit plans are as follows:
U.S. Defined BenefitU.S. Retiree Health CareNon-U.S. Defined Benefit
For Three Months Ended September 30,202620252026202520262025
Service cost$2 $1 $1 $— $3 $4 
Interest cost6 6 3 3 16 16 
Expected return on plan assets(5)(3)(3)(2)(17)(20)
Recognized net actuarial losses (gains)1 1 (1)— (1)1 
Amortization of prior service cost (credit)— — — — 1 — 
Net periodic benefit costs (credits)4 5 — 1 2 1 
Settlement losses (gains)2 4 — — — — 
Total, including other postretirement losses (gains)$6 $9 $— $1 $2 $1 
U.S. Defined BenefitU.S. Retiree Health CareNon-U.S. Defined Benefit
For Nine Months Ended September 30,202620252026202520262025
Service cost$5 $5 $1 $1 $11 $11 
Interest cost17 19 9 9 49 45 
Expected return on plan assets(15)(13)(8)(8)(56)(55)
Recognized net actuarial losses (gains)3 5 (1)(1)(3)3 
Amortization of prior service cost (credit)— — — — 3 — 
Net periodic benefit costs (credits)10 16 1 1 4 4 
Settlement losses (gains)4 7 — — (1)— 
Total, including other postretirement losses (gains)$14 $23 $1 $1 $3 $4