Calculation of Net Loss Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended																12 Months Ended
	Dec. 26, 2015	[1]	Sep. 26, 2015	[1]	Jun. 27, 2015	[1]	Mar. 28, 2015	[1]	Dec. 27, 2014	[1]	Sep. 27, 2014	[1]	Jun. 28, 2014	[1]	Mar. 29, 2014	[1]	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Earnings Per Share [Line Items]
Net income (loss) attributable to common stockholders									$ (84)	[2]	$ 29	[2]	$ (190)	[2]	$ (109)	[2]	$ 8	$ (354)	$ (93)
Weighted-average shares outstanding																	547	535	318
Basic earnings (loss) per share	$ 0.03		$ 0.01		$ (0.11)		$ 0.08		$ (0.15)		$ 0.05		$ (0.36)		$ (0.21)		$ 0.01	$ (0.66)	$ (0.29)
Net income (loss) attributable to Office Depot, Inc.									$ (84)	[2]	$ 29	[2]	$ (190)	[2]	$ (109)	[2]	$ 8	$ (354)	$ (20)
Weighted-average shares outstanding																	547	535	318
Stock options and restricted stock																	8
Diluted weighted-average shares outstanding																	555	535	318
Diluted earnings (loss) per share	$ 0.03		$ 0.01		$ (0.11)		$ 0.08		$ (0.15)		$ 0.05		$ (0.36)		$ (0.21)		$ 0.01	$ (0.66)	$ (0.29)

[1] Due to rounding, the sum of the quarterly amounts may not equal the reported amounts for the year.

[2] In the first, second, third and fourth quarters of 2014, captions include pre-tax Merger, restructuring, and other operating expenses, net amounting to $101 million, $103 million, $72 million and $128 million, respectively and asset impairments of $50 million, $22 million, $6 million and $11 million, respectively. The second and third quarters of 2014 include $80 million and $1 million associated to Legal accrual, respectively.