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Schedule II - Valuations and Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2022
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Allowance for doubtful accounts | $ 662 | $ 677 | $ 720 | $ 832
SEC Schedule, 12-09, Valuation Allowances and Reserves, Addition, Recovery | 1 |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense | 2,246 | 2,317 | 2,382 |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account | 1 | 0 | 0 |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | 2,262 | 2,360 | 2,494 |
Pricing Disputes [Member] |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense | 38 | 74 |  |
SEC Schedule, 12-09, Allowance, Credit Loss [Member] |  |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Allowance for doubtful accounts | 213 | 233 | 240 | 207
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense | 88 | 108 | 165 |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account | 1 | 0 | 0 |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | 109 | 115 | 132 |
SEC Schedule, 12-09, Allowance, Loss on Finance Receivable [Member] |  |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Allowance for doubtful accounts | 2 | 3 | 6 | 8
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense | 3 | 2 | 0 |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account | 0 | 0 | 0 |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | 4 | 5 | 2 |
Sales Returns and Allowances [Member] |  |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Allowance for doubtful accounts | 447 | 441 | 474 | $ 617
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense | 2,155 | 2,207 | 2,217 |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account | 0 | 0 | 0 |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | $ 2,149 | $ 2,240 | 2,360 |
Disputes |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense |  |  | $ 109 |

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