Calculation of Net Earnings (Loss) Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Earnings Per Share [Line Items]
Net income (loss) attributable to Office Depot, Inc.	$ 6	$ 29	$ (7)	$ (270)
Weighted-average shares outstanding	548	536	546	534
Basic earnings (loss) per share	$ 0.01	$ 0.05	$ (0.01)	$ (0.51)
Net income (loss) attributable to Office Depot, Inc.	$ 6	$ 29	$ (7)	$ (270)
Weighted-average shares outstanding	548	536	546	534
Stock options and restricted stock	8	9
Diluted weighted-average shares outstanding	556	545	546	534
Diluted earnings (loss) per share	$ 0.01	$ 0.05	$ (0.01)	$ (0.51)