Share-Based Payment Arrangement, Acquisition Related Expense

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- Definition

Share-Based Payment Arrangement, Non-Acquisition-Related Expense

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No definition available.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Gross number of share options (or share units) granted during the period.

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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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Number of grantees affected by modification of award under share-based payment arrangement.

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Percentage of vesting of award under share-based payment arrangement.

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Share-Based Compensation (Narrative) (Details) shares in Thousands, $ in Millions	2 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2025 USD ($)	Jun. 30, 2026 USD ($) shares	Jun. 30, 2026 USD ($) grantees shares	Jun. 30, 2025 USD ($) shares	Jun. 30, 2024 USD ($) grantees shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Payment Arrangement, Plan Modification, Number of Grantees Affected \| grantees			6		4
Total share-based compensation expense			$ 122.0	$ 121.0	$ 121.0
Tax benefit related to share-based compensation			15.0	14.0	16.0
Total expense on employee retirement savings plans			152.0	89.0	65.0
Share-Based Payment Arrangement, Plan Modification, Incremental Cost			1.0		9.0
Performance Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense			50.0	50.0	44.0
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 49.0	$ 49.0	$ 47.0	$ 46.0
Weighted-average period over which stock option compensation cost is expected to be recognized			2 years	2 years	2 years
Performance Share Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target performance goal (as a percent)			240.00%
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares			0	0	0
GIA Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense			$ 41.0
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 407.0	$ 407.0
Weighted-average period over which stock option compensation cost is expected to be recognized		2 years	4 years
Share-Based Payment Arrangement, Acquisition Related Expense	$ 120.0		$ 238.0
Share-Based Payment Arrangement, Non-Acquisition-Related Expense	$ 3.0		$ 7.0
2021 LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant \| shares		16,000	16,000
2021 LTIP [Member] \| Awards Other than Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant \| shares		7,000	7,000
2021 LTIP [Member] \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant \| shares		16,000	16,000