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Long-term Debt and Other Financing Arrangements - Additional Information (Details) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Jan. 06, 2017 | May 31, 2017 | May 31, 2016
Line Of Credit Facility [Line Items] |  |  |
Long-term debt weighted average interest rate |  | 3.60% |
Long Term Debt Exclusive Of Capital Leases Fair Value |  | $ 15,500,000,000 | $ 14,300,000,000
Line of Credit Facility, Expiration Date |  | Nov. 13, 2020 |
Financial Covenant Terms Ratio |  | 350.00% |
Financial Covenant Compliance Ratio |  | 190.00% |
Letters Of Credit Outstanding |  | $ 317,000,000 |
Commercial paper outstanding |  | $ 0 |
Revolving Credit Facility [Member] |  |  |
Line Of Credit Facility [Line Items] |  |  |
Line of Credit Facility, Term |  | 5 years |
Line Of Credit Facility Maximum Borrowing Capacity |  | $ 1,750,000,000 |
Letter of Credit [Member] |  |  |
Line Of Credit Facility [Line Items] |  |  |
Letter of Credit Maximum Sublimit Amount |  | 500,000,000 |
Letter of Credit Outstanding Sublimit Unused Amount |  | $ 183,000,000 |
Senior Unsecured Debt due March 2027 and January 2047 [Member] |  |  |
Line Of Credit Facility [Line Items] |  |  |
Senior Unsecured Debt Issued | $ 1,200,000,000 |  |
Senior Unsecured Debt, Frequency of Periodic Interest Payment | semiannually |  |
3.30% Senior Unsecured Debt due March 2027 [Member] |  |  |
Line Of Credit Facility [Line Items] |  |  |
Senior Unsecured Debt Issued | $ 450,000,000 |  |
Senior Unsecured Debt, Fixed Interest Rate Percentage | 3.30% |  |
Senior Unsecured Debt, Maturity Date | Mar. 15, 2027 |  |
4.40% Senior Unsecured Debt due January 2047 [Member] |  |  |
Line Of Credit Facility [Line Items] |  |  |
Senior Unsecured Debt Issued | $ 750,000,000 |  |
Senior Unsecured Debt, Fixed Interest Rate Percentage | 4.40% |  |
Senior Unsecured Debt, Maturity Date | Jan. 15, 2047 |  |
EURIBOR [Member] |  |  |
Line Of Credit Facility [Line Items] |  |  |
Floating Rate Basis Points, Description |  | Our floating-rate Euro senior notes bear interest at three-month EURIBOR plus a spread of 55 basis points and resets quarterly. |
Floating Rate Basis Points |  | 0.55% |

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- Definition Debt divided by adjusted EBITDA required by the financial covenant. + 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 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Description of any adjustments made to the stated rate to determine the effective rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + 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://www.xbrl.org/2003/role/presentationRef -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=6877327&loc=d3e13212-122682 + Details
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