Consolidated Balance Sheets (Parenthetical) (USD $)	Jan. 31, 2014	Jan. 31, 2013
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	80,000,000	86,000,000
Common stock, shares outstanding	80,000,000	86,000,000
Leidos, Inc.
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	10,000	10,000
Common stock, shares issued	5,000	5,000
Common stock, shares outstanding	5,000	5,000