Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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Debt Obligations and Commitments - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 21, 2015	Jun. 13, 2015	Jun. 09, 2014
Debt Instrument [Line Items]
Repayments of Debt	$ 2,100.0
Commercial Paper		$ 2,900.0
Notes Due 2025 [Member] [Member] \| Two Point Seven Five Zero Percent Notes Due 2025 [Member] [Member] [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		2.75%
Debt Instrument, Face Amount		$ 1,000.0
Notes Due 2020 [Member] \| One Point Eight Five Zero Percent Notes Due 2020 [Member] [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		1.85%
Debt Instrument, Face Amount		$ 750.0
Notes Due 2018 [Member] \| Variable Rate
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 250.0
Notes Due 2018 [Member] \| One Point Two Five Zero Percent Notes Due 2018 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		1.25%
Debt Instrument, Face Amount		$ 500.0
Five-Year Unsecured Revolving Credit Agreement (Five-Year Credit Agreement) [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		4,500.0
Line of Credit Facility, Current Borrowing Capacity		3,722.5	$ 3,772.5
364-Day Unsecured Revolving Credit Agreement (364-Day Credit Agreement) [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		4,500.0
Line of Credit Facility, Current Borrowing Capacity		$ 3,722.5	$ 3,772.5