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Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2026

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

The components of net periodic (benefit) cost for defined benefit pension plans are summarized in the following table:

						Three Months Ended June 30,												Six Months Ended June 30,
(Dollars in millions)			Income Statement Location			2026						2025						2026						2025
Service cost			Personnel expense			$	75					$	69					$	150					$	137
Interest cost			Other expense			122						114						244						228
Estimated return on plan assets			Other expense			(267)						(242)						(534)						(485)
Net periodic (benefit) cost						$	(70)					$	(59)					$	(140)					$	(120)

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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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