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Long-Term Obligations and Other Short-Term Borrowings Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020
Line of Credit Facility [Line Items] |  |  |  |
Document Fiscal Year Focus |  | 2022 |  |
Accounts Payable, Current | $ 23,700 | $ 27,128 | $ 23,700 |
Other Borrowings | 67 | 74 | 67 |
Loss on early extinguishment of debt |  | 10 | 14 | $ 16
Accounts Payable | 23,700 | 27,100 | 23,700 |
Maturities of existing long-term obligations and other short-term borrowings - 2023 |  | 580 |  |
Maturities of existing long-term obligations and other short-term borrowings-2024 |  | 1,200 |  |
Maturities of existing long-term obligations and other short-term borrowings-2025 |  | 532 |  |
Maturities of existing long-term obligations and other short-term borrowings-2026 |  | 131 |  |
Maturities of existing long-term obligations and other short-term borrowings-2027 |  | 1,200 |  |
Maturities of existing long-term obligations and other short-term borrowings-Thereafter |  | 1,700 |  |
Letter of Credit |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Long-term Line of Credit | 1 | 1 | 1 |
Committed Receivables Sales Facility Program |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Line of Credit Facility, Maximum Amount Outstanding During Period |  | 1,200 |  |
Revolving Credit Facility |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 2,000 |  |
Commercial paper |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 2,000 |  |
2.616% Notes due fiscal 2022 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Notes Payable Repurchased | $ 262 | 572 |  | 247
Floating Rate Notes due fiscal 2022 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Notes Payable Repurchased |  | 282 |  | 20
Loss on early extinguishment of debt |  | $ (10) |  |
3.41% Notes due fiscal 2027 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Notes Payable Repurchased |  |  |  | 104
4.6% Notes due 2043 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Notes Payable Repurchased |  |  |  | 6
4.9% Notes due 2045 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Notes Payable Repurchased |  |  |  | 5
4.368% Notes due fiscal 2047 |  |  |  |
Line of Credit Facility [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] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Loss on early extinguishment of debt |  |  |  | (9)
4.625% Notes due 2020 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Notes Payable Repurchased |  |  |  | 500
Loss on early extinguishment of debt |  |  |  | (7)
3.2% Notes due 2022 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Notes Payable Repurchased |  |  | 238 | 11
Floating rate notes, 2.616% Notes |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Loss on early extinguishment of debt |  |  | (1) |
3.2% notes, 2.616% Notes |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Loss on early extinguishment of debt |  |  | $ (13) |
2.4% Notes due 2019 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Notes Payable Repurchased |  |  |  | $ 450

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