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Pension and Postretirement Benefit Plans
 6 Months Ended
Jun. 30, 2026
Retirement Benefits [Abstract]  
Pension and Postretirement Benefit Plans Pension and Postretirement Benefit Plans
Components of net periodic cost and other amounts recognized in other comprehensive (income) loss
Components of net periodic benefit cost and other supplemental information for the three and six months ended June 30, 2026 and 2025 are as follows:
Three months ended June 30,
Qualified and Non-qualified Pension Benefits
United StatesInternationalPostretirement Benefits
(Millions)202620252026202520262025
Net periodic benefit cost (benefit)
Operating expense
Service cost - Operating$6 $6 $4 $5 $1 $1 
Non-operating expense
Interest cost23 24 6 5 3 3 
Expected return on plan assets(32)(31)(6)(6)(2)(2)
Amortization of net actuarial loss16 16 — — 1 1 
Non-operating7 9 (1)(1)1 2 
Total net periodic benefit cost (benefit)$13 $15 $4 $4 $2 $3 
Six months ended June 30,
Qualified and Non-qualified Pension Benefits
United StatesInternationalPostretirement Benefits
(Millions)202620252026202520262025
Net periodic benefit cost (benefit)
Operating expense
Service cost - Operating$12 $12 $9 $10 $1 $2 
Non-operating expense
Interest cost46 48 11 10 6 6 
Expected return on plan assets(63)(62)(12)(12)(4)(4)
Amortization of prior service benefit— — — — (1)— 
Amortization of net actuarial loss31 32 — — 1 2 
Non-operating13 18 (1)(2)2 4 
Total net periodic benefit cost (benefit)$25 $30 $7 $8 $3 $6 
During the six months ended June 30, 2026, the Company made cash contributions totaling $7 million to its international pension plans. In 2026, the Company expects to make total cash contributions of approximately $22 million to these plans. The Company funds annually, at a minimum, the statutorily required minimum amount for its qualified plans. Non-qualified plans are unfunded and we pay benefits from our cash on hand. Future contributions will depend on market conditions, interest rates and other factors.