Pension and Postretirement Plans (Tables)

6 Months Ended

Jun. 30, 2026

Retirement Benefits [Abstract]

Schedule of Components of Net Periodic Benefit Cost

The components of net periodic benefit cost for the three and six months ended June 30, 2026 and 2025, were as follows:


			Millions of Dollars
			Pension Benefits																								Other Benefits
			2026												2025												2026						2025
			U.S.						Int’l.						U.S.						Int’l.
Components of Net Periodic Benefit Cost
Three Months Ended June 30
Service cost			$	33					2						30						3						1						1
Interest cost			32						8						32						10						1						2
Expected return on plan assets			(41)						(11)						(38)						(12)						—						—

Amortization of net actuarial loss (gain)			3						(1)						4						(1)						(1)						(2)
Settlements			1						—						2						—						—						—
Net periodic benefit cost (credit)*			$	28					(2)						30						—						1						1

Six Months Ended June 30
Service cost			$	67					4						61						6						1						1
Interest cost			64						17						64						18						3						4
Expected return on plan assets			(82)						(23)						(76)						(23)						—						—

Amortization of net actuarial loss (gain)			6						(1)						8						(1)						(2)						(3)
Settlements			3						—						4						—						—						—
Net periodic benefit cost (credit)*			$	58					(3)						61						—						2						2
* Included within the “Operating expenses” and “Selling, general and administrative expenses” line items on our consolidated statement of income.