Debt (Schedule of long-term debt) (Details) - USD ($) $ in Millions	12 Months Ended
May 30, 2021	May 31, 2020
Debt Instrument [Line Items]
Long-term debt, including current portion	$ 12,250.7	$ 13,260.5
Other, including debt issuance costs, debt exchange participation premium, and finance leases	(246.4)	(58.0)
Current portion of long-term debt	(2,463.8)	(2,331.5)
Total long-term debt	$ 9,786.9	10,929.0
4.2% notes due April 17, 2028 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.20%
Maturity date	Apr. 17, 2028
Long-term Debt, Gross	$ 1,400.0	1,400.0
3.15% notes due December 15, 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.15%
Maturity date	Dec. 15, 2021
Long-term Debt, Gross	$ 1,000.0	1,000.0
3.7% notes due October 17, 2023 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.70%
Maturity date	Oct. 17, 2023
Long-term Debt, Gross	$ 850.0	850.0
Floating-rate notes due April 16, 2021 [Member]
Debt Instrument [Line Items]
Maturity date	Apr. 16, 2021
Long-term Debt, Gross	$ 0.0	850.0
4.0% notes due April 17, 2025 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.00%
Maturity date	Apr. 17, 2025
Long-term Debt, Gross	$ 800.0	800.0
3.2% notes due February 10, 2027 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.20%
Maturity date	Feb. 10, 2027
Long-term Debt, Gross	$ 750.0	750.0
2.875% notes due April 15, 2030 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.875%
Maturity date	Apr. 15, 2030
Long-term Debt, Gross	$ 750.0	750.0
Euro-denominated 0.45% notes due January 15, 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.45%
Maturity date	Jan. 15, 2026
Long-term Debt, Gross	$ 731.5	666.1
4.7% notes due April 17, 2048 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.70%
Maturity date	Apr. 17, 2048
Long-term Debt, Gross	$ 446.2	650.0
3.2% notes due April 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.20%
Maturity date	Apr. 16, 2021
Long-term Debt, Gross	$ 0.0	600.0
Euro-denominated 2.1% notes due November 16, 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.10%
Maturity date	Nov. 16, 2020
Long-term Debt, Gross	$ 0.0	555.1
Euro-denominated 1.0% notes due April 27, 2023 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.00%
Maturity date	Apr. 27, 2023
Long-term Debt, Gross	$ 609.6	555.1
4.55% notes due April 17, 2038 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.55%
Maturity date	Apr. 17, 2038
Long-term Debt, Gross	$ 282.4	500.0
2.6% notes due October 12, 2022 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.60%
Maturity date	Oct. 12, 2022
Long-term Debt, Gross	$ 500.0	500.0
5.4% notes due June 15, 2040 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.40%
Maturity date	Jun. 15, 2040
Long-term Debt, Gross	$ 382.5	500.0
4.15% notes due February 15, 2043 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.15%
Maturity date	Feb. 15, 2043
Long-term Debt, Gross	$ 434.9	500.0
3.65% notes due February 15, 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.65%
Maturity date	Feb. 15, 2024
Long-term Debt, Gross	$ 500.0	500.0
Euro-denominated 1.5% notes due April 27, 2027 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.50%
Maturity date	Apr. 27, 2027
Long-term Debt, Gross	$ 487.7	444.0
Floating-rate notes due October 17, 2023 [Member]
Debt Instrument [Line Items]
Maturity date	Oct. 17, 2023
Long-term Debt, Gross	$ 400.0	400.0
Euro-denominated 2.2% notes due June 24, 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.20%
Maturity date	Jun. 24, 2021
Long-term Debt, Gross	$ 243.9	222.0
Euro-denominated 0.0% notes due November 16, 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.00%
Maturity date	Nov. 16, 2020
Long-term Debt, Gross	$ 0.0	222.0
Medium-term notes, 0.56% to 6.41%, due fiscal 2023 or later [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 104.0	104.2
Medium-term notes, 0.56% to 6.41%, due fiscal 2023 or later [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.56%
Maturity date	May 28, 2023
Medium-term notes, 0.56% to 6.41%, due fiscal 2023 or later [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.41%
Euro-denominated 0.0% notes due August 21, 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.00%
Maturity date	Aug. 21, 2021
Long-term Debt, Gross	$ 609.6	0.0
Euro-denominated 0.0% notes due November 16, 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.00%
Maturity date	Nov. 16, 2021
Long-term Debt, Gross	$ 609.6	0.0
3.0% notes, due February 1, 2051 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.00%
Maturity date	Feb. 01, 2051
Long-term Debt, Gross	$ 605.2	$ 0.0

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870

Reference 2: 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 http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 4: 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 http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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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/disclosureRef
-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=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ 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
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as current.

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Amount of long-term debt and lease obligation, including portion classified as current.

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