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Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2025

Retirement Benefits [Abstract]

Benefit or (Income) Cost Related to Pension and Postretirement Health Care and Life Insurance

The following tables summarize the components of net periodic benefit cost related to our pension and postretirement health care and life insurance plans:

			(dollars in millions)
			Pension												Health Care and Life
Three Months Ended September 30,			2025						2024						2025						2024
Service cost - Cost of services			$	34					$	39					$	7					$	11
Service cost - Selling, general and administrative expense			6						6						1						2
Service cost			$	40					$	45					$	8					$	13
Amortization of prior service cost (credit)			$	28					$	28					$	(33)					$	(32)
Expected return on plan assets			(133)						(134)						(7)						(7)
Interest cost			102						111						137						136
Remeasurement gain, net			(31)						(46)						—						—
Other components			$	(34)					$	(41)					$	97					$	97
Total			$	6					$	4					$	105					$	110

			(dollars in millions)
			Pension												Health Care and Life
Nine Months Ended September 30,			2025						2024						2025						2024
Service cost - Cost of services			$	103					$	119					$	21					$	33
Service cost - Selling, general and administrative expense			17						19						4						6
Service cost			$	120					$	138					$	25					$	39
Amortization of prior service cost (credit)			$	84					$	84					$	(97)					$	(96)
Expected return on plan assets			(401)						(482)						(21)						(21)
Interest cost			306						380						410						407
Remeasurement loss, net			14						17						—						—
Other components			$	3					$	(1)					$	292					$	290
Total			$	123					$	137					$	317					$	329

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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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