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Long-term Debt and Other Financing Arrangements - Additional Information (Details) | 12 Months Ended |
--- | --- | ---
May 31, 2023 USD ($) AirCraft | May 31, 2022 USD ($)
Line Of Credit Facility [Line Items] |  |
Long-term debt weighted-average interest rate | 3.50% |
Long term debt, including current maturities and exclusive of finance leases fair value | $ 17,500,000,000 | $ 18,800,000,000
Debt instrument, face amount | $ 20,000,000,000 |
Number of Boeing aircraft | AirCraft | 19 |
Net book value of Boeing aircraft | $ 1,700,000,000 |
Financial covenant terms ratio | 350.00% |
Financial covenant compliance ratio | 208.00% |
Five-Year Credit Agreement [Member] |  |
Line Of Credit Facility [Line Items] |  |
Line of credit facility maximum borrowing capacity | $ 2,000,000,000.0 |
Line of credit facility, term | 5 years |
Line of credit facility, expiration date | 2026-03 |
Letter of credit maximum sublimit amount | $ 250,000,000 |
Letter of credit outstanding sublimit unused amount | 250,000,000 |
Credit Agreements [Member] |  |
Line Of Credit Facility [Line Items] |  |
Line of credit outstanding | 0 |
Commercial paper outstanding | 0 |
Three Year Credit Agreement [Member] |  |
Line Of Credit Facility [Line Items] |  |
Line of credit facility maximum borrowing capacity | $ 1,500,000,000 |
Line of credit facility, term | 3 years |
Line of credit facility, expiration date | 2025-03 |
1.875% due in February 2034 [Member] |  |
Line Of Credit Facility [Line Items] |  |
Debt instrument, face amount | $ 970,000,000 |
Fixed interest rate | 1.875% |
Debt instrument, maturity date | 2034-02 |

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- Definition Debt divided by adjusted EBITDA + References No definition available. + Details
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- Definition Letter of credit maximum sublimit amount. + References No definition available. + Details
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- Definition Letter of credit outstanding sublimit unused amount. + References No definition available. + Details
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- Definition Long term debt including current maturities fair value. + References No definition available. + Details
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- Definition Net book valve of collateralized Boeing aircraft. + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of long-term unsecured obligations issued by corporations and other borrowers to investors (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. + 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) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the 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)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + 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 https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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