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Pension and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2025

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Costs

The following summarizes the components of net periodic benefit costs:

			Three Months Ended  June 30,												Six Months Ended  June 30,
(Millions of dollars)			2025						2024						2025						2024
Pension Benefits
Service cost			$	57					$	53					$	112					$	107
Interest cost			35						31						72						61
Expected return on plan assets			(35)						(37)						(72)						(74)
Amortization of prior service credit			(2)						(8)						(4)						(16)
Amortization of actuarial loss			4						1						8						2
Settlement loss			1						—						1						—
Net periodic pension benefit cost			$	60					$	40					$	117					$	80
Other Benefits
Service cost			$	5					$	5					$	10					$	10
Interest cost			8						8						17						16
Amortization of prior service credit			(5)						(6)						(11)						(11)
Net periodic other benefit cost			$	8					$	7					$	16					$	15

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- References

No definition available.

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (q)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-5

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 715
-SubTopic 20
-Subparagraph (h)
-Name Accounting Standards Codification
-Paragraph 1
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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