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v3.20.2

Long-Term Debt - Schedule (Details) - Notes Payable - USD ($) | Aug. 31, 2020 | May 31, 2020
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Debt Instrument [Line Items] |  |
Debt instrument, face amount | $ 4,000,000,000 | $ 8,000,000,000
Floating rate notes due 2023 |  |
Debt Instrument [Line Items] |  |
Debt instrument, face amount | $ 500,000,000 | 300,000,000
1.141% Notes due 2023 |  |
Debt Instrument [Line Items] |  |
Debt instrument, interest rate, stated percentage | 1.141% |
Debt instrument, face amount |  | 1,200,000,000
1.554% Notes due 2025 |  |
Debt Instrument [Line Items] |  |
Debt instrument, interest rate, stated percentage | 1.554% |
Debt instrument, face amount |  | 2,500,000,000
1.995% Notes due 2027 |  |
Debt Instrument [Line Items] |  |
Debt instrument, interest rate, stated percentage | 1.995% |
Debt instrument, face amount |  | 1,000,000,000
2.236% Notes due 2030 |  |
Debt Instrument [Line Items] |  |
Debt instrument, interest rate, stated percentage | 2.236% |
Debt instrument, face amount |  | 1,500,000,000
2.978% Notes due 2040 |  |
Debt Instrument [Line Items] |  |
Debt instrument, interest rate, stated percentage | 2.978% |
Debt instrument, face amount |  | 500,000,000
3.078% Notes due 2050 |  |
Debt Instrument [Line Items] |  |
Debt instrument, interest rate, stated percentage | 3.078% |
Debt instrument, face amount |  | $ 1,000,000,000
Floating rate notes due 2022 |  |
Debt Instrument [Line Items] |  |
Debt instrument, face amount | $ 350,000,000 |
0.333% notes due 2022 |  |
Debt Instrument [Line Items] |  |
Debt instrument, interest rate, stated percentage | 0.333% |
Debt instrument, face amount | $ 400,000,000 |
0.426% notes due 2023 |  |
Debt Instrument [Line Items] |  |
Debt instrument, interest rate, stated percentage | 0.426% |
Debt instrument, face amount | $ 500,000,000 |
0.687% notes due 2025 |  |
Debt Instrument [Line Items] |  |
Debt instrument, interest rate, stated percentage | 0.687% |
Debt instrument, face amount | $ 750,000,000 |
1.018% notes due 2027 |  |
Debt Instrument [Line Items] |  |
Debt instrument, interest rate, stated percentage | 1.018% |
Debt instrument, face amount | $ 750,000,000 |
2.343% notes due 2050 |  |
Debt Instrument [Line Items] |  |
Debt instrument, interest rate, stated percentage | 2.343% |
Debt instrument, face amount | $ 750,000,000 |

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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