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Income Taxes (Tables)

6 Months Ended

Sep. 30, 2025

Income Tax Disclosure [Abstract]

Schedule of Income Tax Expense

Income tax expense was as follows:

			Three Months Ended September 30,												Six Months Ended September 30,
(Dollars in millions)			2025						2024						2025						2024
Income tax expense			$	232					$	247					$	452					$	371
Reported income tax rate			16.6		%				46.3		%				18.5		%				22.9		%

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- References

No definition available.

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- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-9

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