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Share-Based Compensation (Narrative) (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2024 USD ($) | Mar. 31, 2023 USD ($) | Mar. 31, 2024 USD ($) | Mar. 31, 2023 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Tax benefit related to share-based compensation | $ 4 | $ 3 | $ 12 | $ 9
Restricted Share Units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting period (in years) |  |  | 3 years |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | 86 |  | $ 86 |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition |  |  | 2 years |
Performance Share Units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ 53 |  | $ 53 |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition |  |  | 2 years |
Vesting Period in years for Shares |  |  | 3 |
Performance Share Units | Minimum | Fiscal 2024 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Target performance goal (as a percent) |  |  | 0.00% |
Performance Share Units | Minimum | Fiscal 2023 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Target performance goal (as a percent) |  |  | 0.00% |
Performance Share Units | Minimum | Fiscal 2022 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Target performance goal (as a percent) |  |  | 0.00% |
Performance Share Units | Maximum | Fiscal 2024 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Target performance goal (as a percent) |  |  | 240.00% |
Performance Share Units | Maximum | Fiscal 2023 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Target performance goal (as a percent) |  |  | 234.00% |
Performance Share Units | Maximum | Fiscal 2022 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Target performance goal (as a percent) |  |  | 234.00% |

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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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