Pension and Other Postretirement Benefits (Tables)
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12 Months Ended |
Jun. 30, 2025 |
Retirement Benefits [Abstract] |
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Schedule of Projected Benefit Obligation, Changes in Fair Value of Plan Assets and Funded Status |
The Company uses a June 30 measurement date for all pension and postretirement benefit plans. The following table sets forth the change in the projected benefit obligation, change in the fair value of plan assets and funded status for the Company’s pension and postretirement benefit plans: | | | | | | | | | | | | | | | | | | | | | | | | | Pension benefits | | Postretirement benefits | | As of June 30, | | 2025 | | 2024 | | 2025 | | 2024 | | (in millions) | Projected benefit obligation, beginning of the year | $ | 1,119 | | | $ | 1,172 | | | $ | 45 | | | $ | 47 | | Service cost | 23 | | | 27 | | | 1 | | | — | | Interest cost | 57 | | | 61 | | | 2 | | | 2 | | Benefits paid | (44) | | | (43) | | | (3) | | | (3) | | Settlements(a) | (37) | | | (50) | | | — | | | — | | Actuarial losses (gains)(b) | 37 | | | (48) | | | (1) | | | (1) | | Projected benefit obligation, end of the year | 1,155 | | | 1,119 | | | 44 | | | 45 | | Change in the fair value of plan assets for the Company’s benefit plans: | | | | | | | | Fair value of plan assets, beginning of the year | 891 | | | 853 | | | — | | | — | | Actual return on plan assets | 54 | | | 45 | | | — | | | — | | Employer contributions | 40 | | | 86 | | | 3 | | | 3 | | Benefits paid | (44) | | | (43) | | | (3) | | | (3) | | Settlements(a) | (37) | | | (50) | | | — | | | — | | Fair value of plan assets, end of the year | 904 | | | 891 | | | — | | | — | | Funded status(c) | $ | (251) | | | $ | (228) | | | $ | (44) | | | $ | (45) | | Grantor Trust assets(c) | $ | 265 | | | $ | 266 | | | $ | — | | | $ | — | |
| | | | | | (a) | Represents the full settlement of former employees’ deferred pension benefit obligations through lump sum payments. | (b) | Actuarial losses for June 30, 2025 and actuarial gains for June 30, 2024 were primarily due to a change in the mortality assumption and higher interest rates, respectively, utilized in measuring the plan obligations. | (c) | The Company has established an irrevocable grantor trust (the “Grantor Trust”), administered by an independent trustee, with the intention of making cash contributions to the Trust to fund certain future pension benefit obligations of the Company. The assets in the Grantor Trust are unsecured funds of the Company and can be used to satisfy the Company’s obligations in the event of bankruptcy or insolvency. |
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Schedule of Amounts Recognized in Balance Sheet |
Amounts recognized in the Balance Sheets consist of: | | | | | | | | | | | | | | | | | | | | | | | | | Pension benefits | | Postretirement benefits | | As of June 30, | | 2025 | | 2024 | | 2025 | | 2024 | | (in millions) | Pension assets | $ | 10 | | | $ | 36 | | | $ | — | | | $ | — | | Accrued pension liabilities | (261) | | | (264) | | | (44) | | | (45) | | Net amounts recognized | $ | (251) | | | $ | (228) | | | $ | (44) | | | $ | (45) | |
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Schedule of Amounts Recognized in Accumulated Other Comprehensive Loss |
Amounts recognized in Accumulated other comprehensive loss, before tax, consist of: | | | | | | | | | | | | | | | | | | | | | | | | | Pension benefits | | Postretirement benefits | | As of June 30, | | 2025 | | 2024 | | 2025 | | 2024 | | (in millions) | Actuarial losses (gains) | $ | 197 | | | $ | 169 | | | $ | (27) | | | $ | (30) | |
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Schedule of Accumulated and Projected Benefit Obligations and Fair Value of Plan Assets for Funded and Unfunded Pension Plans |
Information about funded and unfunded pension plans is presented below: | | | | | | | | | | | | | | | | | | | | | | | | | | | | Funded plans | | Unfunded plans | | | As of June 30, | | | 2025 | | 2024 | | 2025 | | 2024 | | | (in millions) | | Projected benefit obligation | $ | 894 | | | $ | 855 | | | $ | 261 | | | $ | 264 | | | Accumulated benefit obligation | 794 | | | 747 | | | 256 | | | 260 | | | Fair value of plan assets | 904 | | | 891 | | | — | | (a) | — | | (a) |
| | | | | | (a) | The fair value of the assets in the Grantor Trust as of June 30, 2025 and 2024 was $265 million and $266 million, respectively. |
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Schedule of Components of Periodic Benefit Costs |
The components of net periodic benefit costs were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pension benefits | | Postretirement benefits | | For the years ended June 30, | | 2025 | | 2024 | | 2023 | | 2025 | | 2024 | | 2023 | | (in millions) | Service cost | $ | 23 | | | $ | 27 | | | $ | 30 | | | $ | 1 | | | $ | — | | | $ | 1 | | Interest cost | 57 | | | 61 | | | 52 | | | 2 | | | 2 | | | 2 | | Expected return on plan assets | (50) | | | (45) | | | (40) | | | — | | | — | | | — | | Amortization of deferred losses (gains) | 5 | | | 12 | | | 23 | | | (4) | | | (4) | | | (4) | | Net periodic benefit costs | $ | 35 | | | $ | 55 | | | $ | 65 | | | $ | (1) | | | $ | (2) | | | $ | (1) | |
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Schedule of Assumptions Used |
The components of net periodic benefit costs other than the service cost component are included in Non- operating other, net in the Statements of Operations. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pension benefits | | Postretirement benefits | | For the years ended June 30, | | 2025 | | 2024 | | 2023 | | 2025 | | 2024 | | 2023 | Additional information | | | | | | | | | | | | Weighted-average assumptions used to determine benefit obligations | | | | | | | | | | | | Discount rate | 5.5 | % | | 5.5 | % | | 5.3 | % | | 5.3 | % | | 5.4 | % | | 5.3 | % | Weighted-average assumptions used to determine net periodic benefit costs | | | | | | | | | | | | Discount rate for service cost | 5.5 | % | | 5.3 | % | | 4.8 | % | | 5.5 | % | | 5.3 | % | | 4.8 | % | Discount rate for interest cost | 5.3 | % | | 5.4 | % | | 4.5 | % | | 5.3 | % | | 5.4 | % | | 4.5 | % | Expected return on plan assets | 5.6 | % | | 5.3 | % | | 5.0 | % | | N/A | | N/A | | N/A |
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Schedule of Assumed Health Care Cost Trend Rates |
The following assumed health care cost trend rates were also used in accounting for postretirement benefits: | | | | | | | | | | | | | Postretirement benefits | | As of June 30, | | 2025 | | 2024 | Health care cost trend rate | 6.4 | % | | 6.6 | % | Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) | 4.9 | % | | 4.9 | % | Year that the rate reaches the ultimate trend rate | 2031 | | 2031 |
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Schedule of Expected Estimated Benefit Payments |
The following table sets forth the estimated benefit payments and estimated settlements for the next five fiscal years and in aggregate for the five fiscal years thereafter. These payments are estimated based on the same assumptions used to measure the Company’s benefit obligation at the end of the fiscal year and include benefits attributable to estimated future employee service: | | | | | | | | | | | | | Expected benefit payments | | Pension benefits | | Postretirement benefits | | (in millions) | Fiscal year | | | | 2026 | $ | 88 | | | $ | 3 | | 2027 | 87 | | | 4 | | 2028 | 89 | | | 4 | | 2029 | 96 | | | 4 | | 2030 | 98 | | | 4 | | 2031-2035 | 482 | | | 19 | |
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Schedule of Plan Assets and Grantor Trust Assets by Level within Fair Value Hierarchy |
The assets are classified by level within the fair value hierarchy, as described in Note 6—Fair Value, as of June 30, 2025 and 2024: | | | | | | | | | | | | | | | | | | | As of June 30, 2025 | | | | Fair value measurements at reporting date using | | Assets measured | | Total | | Level 1 | | at NAV(a) | | (in millions) | Pension plan assets | | | | | | Pooled funds(b) | | | | | | Money market funds | $ | 35 | | | $ | 35 | | | $ | — | | Domestic equity funds | 116 | | | 116 | | | — | | Domestic fixed income funds(c) | 582 | | | 582 | | | — | | International equity funds | 83 | | | 83 | | | — | | Balanced funds | 55 | | | 55 | | | — | | Partnership interests | 33 | | | — | | | 33 | | Total fair value of plan assets | $ | 904 | | | $ | 871 | | | $ | 33 | | | | | | | | Grantor Trust assets | | | | | | Pooled funds(b) | | | | | | Money market funds | $ | 8 | | | $ | 8 | | | $ | — | | Domestic fixed income funds(c) | 68 | | | 68 | | | — | | Balanced funds | 60 | | | 60 | | | — | | Domestic government obligations(d) | 128 | | | 128 | | | — | | Other(e) | 1 | | | 1 | | | — | | Total fair value of Grantor Trust assets | $ | 265 | | | $ | 265 | | | $ | — | |
| | | | | | | | | | | | | | | | | | | As of June 30, 2024 | | | | Fair value measurements at reporting date using | Assets measured | | Total | | Level 1 | | at NAV(a) | | (in millions) | Pension plan assets | | | | | | Pooled funds(b) | | | | | | Money market funds | $ | 12 | | | $ | 12 | | | $ | — | | Domestic equity funds | 156 | | | 156 | | | — | | Domestic fixed income funds(c) | 488 | | | 488 | | | — | | International equity funds | 118 | | | 118 | | | — | | Balanced funds | 69 | | | 69 | | | — | | Partnership interests | 48 | | | — | | | 48 | | Total fair value of plan assets | $ | 891 | | | $ | 843 | | | $ | 48 | | | | | | | | Grantor Trust assets | | | | | | Pooled funds(b) | | | | | | Money market funds | $ | 26 | | | $ | 26 | | | $ | — | | Domestic fixed income funds(c) | 66 | | | 66 | | | — | | Balanced funds | 53 | | | 53 | | | — | | Domestic government obligations(d) | 120 | | | 120 | | | — | | Other(e) | 1 | | | 1 | | | — | | Total fair value of Grantor Trust assets | $ | 266 | | | $ | 266 | | | $ | — | |
| | | | | | (a) | Investments that are measured at fair value using the net asset value (“NAV”) per share (or its equivalent) as a practical expedient are excluded from the fair value hierarchy disclosure. These investments have monthly liquidity. | (b) | Pooled funds that have a readily determinable fair value are valued at the regularly published NAV. | (c) | Domestic fixed income funds consist primarily of investment grade securities. | (d) | Government obligations consist of investment grade securities whose fair value is based on observable market data obtained from dealers and brokers. | (e) | Includes cash and cash equivalents. |
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Schedule of Weighted Average Asset Allocations by Asset Category |
The funded plans weighted-average asset allocation, by asset category, are as follows: | | | | | | | | | | | | | Pension benefits | | As of June 30, | | 2025 | | 2024 | Asset category | | | | Equity investments | 22 | % | | 31 | % | Fixed income investments, including cash | 72 | | | 61 | | Other | 6 | | | 8 | | Total | 100 | % | | 100 | % |
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