Commitments, Contingencies and Off-Balance Sheet Arrangements - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended		3 Months Ended			12 Months Ended		1 Months Ended	12 Months Ended
	Feb. 22, 2014 Retailer	Jan. 24, 2014	Feb. 22, 2014 2015 [Member]	Feb. 22, 2014 2016 [Member]	Feb. 22, 2014 2017 [Member]	Feb. 22, 2014 Minimum [Member] NAI Banners [Member]	Feb. 22, 2014 Maximum [Member] NAI Banners [Member]	Feb. 28, 2014 Subsequent Event [Member]	Feb. 22, 2014 Subsequent Event [Member]	Feb. 22, 2014 AB Acquisition [Member]	Feb. 22, 2014 American Stores Inc [Member]	Feb. 22, 2014 New Albertsons Inc [Member]
Guarantor Obligations [Line Items]
Remaining terms for guarantees for other debt obligation minimum (less than given term in years)	1 year
Remaining terms for guarantees for other debt obligation maximum (in years)	16 years
Remaining term for guarantee for other debt obligation weighted average (in years)	9 years
Company's guarantee for debt obligations on outstanding indenture in connection with stock purchase agreement	$ 78										$ 467	$ 331
Guarantor obligation maximum exposure discounted	57											297
Cash depositions into escrow account		5								467
Notes outstanding		467
Tendered notes		462
Non-cancelable future purchase obligations	283
Minimum contribution to company Retirement Plan	450
Minimum required contributions to company retirement plan through the fiscal years						2015	2017
Excess pension contributions required			25	25	50
Number of other retailers who have filed similar complaints in other jurisdictions	3
Litigation settlement charge before tax									5
Litigation settlement charge after tax									3
Settlement fund								$ 5