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v3.20.2

Long-Term Obligations and Other Short-Term Borrowings Long-Term Debt (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2018
Debt Instrument [Line Items] |  |  |  |  |
Accounts payable |  |  | $ 21,374 | $ 21,535 |
Offer as percentage of principal amount |  |  | 101.00% |  |
Gain (Loss) on Extinguishment of Debt |  |  | $ (16) | 0 | $ (2)
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 |  |  | 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 |  |  | 20 | 8 |
1.95% Notes due 2018 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from (Repayments of) Notes Payable |  | $ 550 |  |  |
2.4% Notes due 2019 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of Notes Payable | $ 450 |  |  |  |
3.2% Notes due 2022 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes Payable Repurchased |  |  |  | $ 1 |
3.2% Notes due 2023 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes Payable Repurchased |  |  | 11 |  |
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% |  |

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