Condensed Consolidated Statement of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jan. 01, 2016	Jan. 02, 2015	Jan. 01, 2016	Jan. 02, 2015
Condensed Consolidated Statement of Income [Abstract]
Revenue from product sales and services	$ 1,843	$ 1,206	$ 3,654	$ 2,361
Cost of product sales and services	(1,281)	(808)	(2,501)	(1,570)
Engineering, selling and administrative expenses	(239)	(188)	(568)	(383)
Impairment of goodwill and other assets	(367)		(367)
Non-operating income	0	0	1	0
Interest income	0	1	1	2
Interest expense	(45)	(22)	(93)	(45)
Income (loss) from continuing operations before income taxes	(89)	189	127	365
Income taxes	(46)	(50)	(114)	(101)
Income (loss) from continuing operations	(135)	139	13	264
Discontinued operations, net of income taxes	(17)	0	(17)	0
Net income (loss)	$ (152)	$ 139	$ (4)	$ 264
Basic net income (loss) per common share
Continuing operations	$ (1.09)	$ 1.34	$ 0.10	$ 2.52
Discontinued operations	(0.14)	0	(0.14)	0
Total basic net income per common share	(1.23)	1.34	(0.04)	2.52
Diluted net income (loss) per common share
Continuing operations	(1.09)	1.32	0.10	2.50
Discontinued operations	(0.14)	0	(0.13)	0
Total diluted net income per common share	(1.23)	1.32	(0.03)	2.50
Cash dividends paid per common share	$ 0.50	$ 0.47	$ 1.00	$ 0.94
Basic weighted average common shares outstanding	123.8	103.9	123.6	104.3
Diluted weighted average common shares outstanding	123.8	104.9	124.7	105.3