Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	4 Months Ended
	Jun. 14, 2014	Jun. 15, 2013	Feb. 22, 2014
Accounting Policies [Abstract]
Number of weeks in first quarter	16 weeks
Number of weeks in second and third quarter	12 weeks
Number of weeks in fourth quarter	13 weeks
Number of weeks in current fiscal year	53 weeks
Net book overdrafts	$ 118		$ 134
LIFO charge recorded	2	0
Value increase in inventory by changing the method from LIFO to FIFO	$ 204		$ 202