Earnings (Loss) Per Share (EPS) (Tables)

12 Months Ended

Dec. 30, 2016

Earnings Per Share [Abstract]

Reconciliation of Weighted Average Number of Shares Outstanding

The weighted average number of shares used to compute basic and diluted EPS attributable to Leidos stockholders were:

	12 Months Ended	11 Months Ended		12 Months Ended
	December 30, 2016	January 1, 2016	January 2, 2015	January 30, 2015
			(unaudited)
	(in millions)
Basic weighted average number of shares outstanding	102	73	74	74
Dilutive common share equivalents—stock options and other stock awards	2	1	—	—
Diluted weighted average number of shares outstanding	104	74	74	74

Schedule Of Basic and Diluted EPS

Basic and diluted EPS attributable to Leidos stockholders for the years presented was as follows:

	12 Months Ended		11 Months Ended						12 Months Ended
	December 30, 2016		January 1, 2016			January 2, 2015			January 30, 2015
						(unaudited)
Basic:
Income (loss) from continuing operations attributable to Leidos common stockholders	$	2.39	$	3.33		$	(4.36	)	$	(4.46	)
Discontinued operations, net of taxes	—		(0.01		)	(0.15		)	0.10
Net income (loss) attributable to Leidos common stockholders	$	2.39	$	3.32		$	(4.51	)	$	(4.36	)
Diluted:
Income (loss) from continuing operations attributable to Leidos common stockholders	$	2.35	$	3.28		$	(4.36	)	$	(4.46	)
Discontinued operations, net of taxes	—		(0.01		)	(0.15		)	0.10
Net income (loss) attributable to Leidos common stockholders	$	2.35	$	3.27		$	(4.51	)	$	(4.36	)

Schedule Of Stock-Based Awards Excluded from Weighted Average Shares Outstanding

The following anti-dilutive stock-based awards were excluded from the weighted average number of shares outstanding used to compute basic and diluted EPS for the years presented:

	11 Months Ended		12 Months Ended
	January 1, 2016	January 2, 2015	January 30, 2015
		(unaudited)
	(in millions)
Stock options excluded	1	4	4
Vesting stock awards excluded	—	3	3