Variable Interest Entities - Variable Interest Entities Reflected on Condensed Consolidated Balance Sheets (Detail) (USD $) In Millions, unless otherwise specified	Nov. 25, 2012	May 27, 2012	Nov. 27, 2011	May 27, 2011
Variable Interest Entity [Line Items]
Cash and cash equivalents	$ 476.8	$ 103.0	$ 706.5	$ 972.4
Receivables, less allowance for doubtful accounts	1,037.8	924.8
Inventories	2,249.1	1,869.6
Prepaid expenses and other current assets	301.3	321.4
Property, plant and equipment, net	2,792.5	2,741.9
Goodwill	4,105.1	4,015.4
Brands, trademarks and other intangibles, net	1,304.0	1,191.5
Total assets	12,524.5	11,441.9
Current installments of long-term debt	9.2	38.1
Accounts payable	1,397.1	1,190.3
Accrued payroll	164.0	177.2
Other accrued liabilities	818.0	779.6
Other noncurrent liabilities (minority interest)	1,826.6	1,822.1
Total liabilities	7,824.2	6,905.9
Variable Interest Entities [Member]
Variable Interest Entity [Line Items]
Cash and cash equivalents	9.6	10.2
Receivables, less allowance for doubtful accounts	22.8	20.9
Inventories	1.7	1.6
Prepaid expenses and other current assets	0.3	0.2
Property, plant and equipment, net	52.1	82.9
Goodwill	18.8	18.8
Brands, trademarks and other intangibles, net	7.9	8.3
Total assets	113.2	142.9
Current installments of long-term debt		30.1
Accounts payable	11.8	17.9
Accrued payroll	0.5	0.5
Other accrued liabilities	0.7	1.0
Other noncurrent liabilities (minority interest)	31.8	28.9
Total liabilities	$ 44.8	$ 78.4