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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, 2022 | Jun. 30, 2021 | Jun. 30, 2020
Debt Instrument [Line Items] |  |  |  |
Accounts payable | $ 23,700 | $ 27,128 | $ 23,700 |
Offer as percentage of principal amount |  | 101.00% |  |
Loss on early extinguishment of debt |  | $ 10 | 14 | $ 16
2.616% Notes due fiscal 2022 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Repayments of Notes Payable |  |  | 2 |
Notes Payable Repurchased | $ 262 | 572 |  | 247
3.41% Notes due fiscal 2027 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notes Payable Repurchased |  |  |  | 104
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] |  |  |  |
Loss on early extinguishment of debt |  |  |  | (9)
Floating Rate Notes due fiscal 2022 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Loss on early extinguishment of debt |  | (10) |  |
Repayments of Notes Payable |  |  | 40 |
Notes Payable Repurchased |  | $ 282 |  | 20
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
4.6% Notes due 2043 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notes Payable Repurchased |  |  |  | 6
4.625% Notes due 2020 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Loss on early extinguishment of debt |  |  |  | (7)
Notes Payable Repurchased |  |  |  | 500
4.9% Notes due 2045 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notes Payable Repurchased |  |  |  | $ 5

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