Stock-Based Awards - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended		4 Months Ended		16 Months Ended
	May 31, 2014	May 31, 2013	Jun. 14, 2014	Jun. 15, 2013	Jun. 14, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax stock-based compensation expense related to stock-based awards			$ 7	$ 12
Award units grant to certain employees	5,000,000	9,000,000
Fair value of the options at grand date	$ 3.28	$ 2.78
Term for payout of awards over achievement of financial goals					3 years
Stock Options and Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accelerated Stock Compensation resulted by deemed change-in-control				9
Long Term Incentive Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accelerated Stock Compensation resulted by deemed change-in-control				5
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accelerated Stock Compensation resulted by deemed change-in-control				3
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accelerated Stock Compensation resulted by deemed change-in-control				$ 1
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award units grant to certain employees			2,000,000
Term for payout of awards over achievement of financial goals			3 years
Share granted to certain employees at a fair value			$ 7.50