CONDENSED CONSOLIDATED STATEMENT OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended				6 Months Ended
	Dec. 28, 2018	Sep. 28, 2018	Dec. 29, 2017	Sep. 29, 2017	Dec. 28, 2018	Dec. 29, 2017
Income Statement [Abstract]
Revenue from product sales and services	$ 1,666		$ 1,535		$ 3,208	$ 2,945
Cost of product sales and services	(1,095)		(1,022)		(2,105)	(1,941)
Engineering, selling and administrative expenses	(304)		(291)		(583)	(559)
Non-operating income	47		44		94	90
Interest income	0		1		1	1
Interest expense	(43)		(42)		(87)	(83)
Income from continuing operations before income taxes	271		225		528	453
Income taxes	(46)		(94)		(87)	(157)
Income from continuing operations	225		131		441	296
Discontinued operations, net of income taxes	0		0		(3)	(6)
Net income	$ 225	$ 213	$ 131	$ 159	$ 438	$ 290
Basic
Continuing operations (in dollars per share)	$ 1.91		$ 1.10		$ 3.74	$ 2.49
Discontinued operations (in dollars per share)	0.00		0.00		(0.03)	(0.06)
Basic (in dollars per share)	1.91		1.10		3.71	2.43
Diluted
Continuing operations (in dollars per share)	1.88		1.08		3.66	2.44
Discontinued operations (in dollars per share)	(0.01)		0.00		(0.02)	(0.05)
Diluted (in dollars per share)	1.87		1.08		3.64	2.39
Cash dividends paid per common share (in dollars per share)	$ 0.685		$ 0.57		$ 1.37	$ 1.14
Basic weighted average common shares outstanding (in shares)	117.7		118.5		117.8	118.8
Diluted weighted average common shares outstanding (in shares)	120.0		120.9		120.3	121.1