Earnings Per Share (Tables)

6 Months Ended

Dec. 30, 2016

Earnings Per Share [Abstract]

Schedule of computation of basic and diluted net income (loss) per share

The following table sets forth the computation of basic and diluted net income per share attributable to the shareholders of Seagate Technology plc:

	For the Three Months Ended				For the Six Months Ended
(In millions, except per share data)	December 30, 2016		January 1, 2016		December 30, 2016		January 1, 2016
Numerator:
Net income	$	297	$	165	$	464	$	198
Number of shares used in per share calculations:
Total shares for purposes of calculating basic net income per share	296		299		297		301
Weighted-average effect of dilutive securities:
Employee equity award plans	2		2		2		3
Total shares for purpose of calculating diluted net income per share	298		301		299		304
Net income per share:
Basic	$	1.00	$	0.55	$	1.56	$	0.66
Diluted	$	1.00	$	0.55	$	1.55	$	0.65