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v3.21.2

Long-Term Obligations and Other Short-Term Borrowings Long-Term Debt (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Debt Instrument [Line Items] |  |  |  |
Accounts payable | $ 23,700 | $ 23,700 | $ 21,374 |
Offer as percentage of principal amount |  | 101.00% |  |
Gain (Loss) on Extinguishment of Debt |  | $ (14) | (16) | $ 0
Notes Payable Repurchased |  |  |  | 100
1.948% Notes due 2019 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notes Payable Repurchased |  |  |  | 1,000
2.616% Notes due fiscal 2022 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notes Payable Repurchased | $ 262 | 2 | 247 | 67
3.41% Notes due fiscal 2027 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notes Payable Repurchased |  |  | 104 | 24
4.368% Notes due fiscal 2047 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notes Payable Repurchased |  |  | 35 |
2.616% Notes, 3.2% Notes, 3.41% Notes, 4.6% Notes, 4.9% Notes and 4.368% Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Gain (Loss) on Extinguishment of Debt |  |  | 9 |
Floating Rate Notes due fiscal 2022 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notes Payable Repurchased |  | 40 | 20 | 8
2.4% Notes due 2019 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notes Payable Repurchased |  |  | 450 |
3.2% Notes due 2022 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notes Payable Repurchased |  | $ 238 | 11 | $ 1
4.6% Notes due 2043 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notes Payable Repurchased |  |  | 6 |
4.625% Notes due 2020 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Gain (Loss) on Extinguishment of Debt |  |  | 7 |
Notes Payable Repurchased |  |  | 500 |
4.9% Notes due 2045 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notes Payable Repurchased |  |  | $ 5 |
7.0% Debentures due 2026 | Allegiance Corporation |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Stated interest rate | 7.00% | 7.00% |  |

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