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Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2021

Retirement Benefits [Abstract]

Schedule of Components of Expense/(Income) Related to Net Benefit Expense

			Pension Benefits Cost
			Second Quarters												Six Months
(Dollars in millions)			2021						2020						2021						2020
Service Cost Included in Labor and Fringe			$	9					$	10					$	18					$	20
Interest Cost			13						21						27						41
Expected Return on Plan Assets			(47)						(44)						(93)						(87)
Amortization of Net Loss			19						14						37						28
Total Included in Other Income - Net			(15)						(9)						(29)						(18)
Net Periodic Benefit (Credit)/Cost			$	(6)					$	1					$	(11)					$	2
			Other Post-retirement Benefits Cost
			Second Quarters												Six Months
(Dollars in millions)			2021						2020						2021						2020
Service Cost Included in Labor and Fringe			$	—					$	1					$	—					$	1
Interest Cost			1						—						1						1
Amortization of Prior Service Credits			(3)						(1)						(4)						(3)
Total Included in Other Income - Net			(2)						(1)						(3)						(2)
Net Periodic Benefit Credit			$	(2)					$	—					$	(3)					$	(1)

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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