CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jan. 03, 2020	Jun. 28, 2019	Jun. 29, 2018	Jun. 30, 2017
Operating Activities
Net income	$ 834	$ 949	$ 699	$ 543
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	442	258	259	311
Share-based compensation	227	141	82	42
Qualified pension plan contributions	(328)	(1)	(301)	(589)
Pension and other postretirement benefit plan income	(129)	(150)	(144)	(105)
Gain on pension plan curtailment	(23)	0	0	0
Impairment of goodwill and other assets	46	0	0	240
(Gain) loss on sale of businesses, net	(229)	0	0	14
Gain on sale of asset group	(12)	0	0	0
Loss on extinguishment of debt	2	0	24	0
Deferred income taxes	0	44	320	86
(Increase) decrease in:
Accounts receivable	74	(9)	(101)	24
Contract assets	15	(25)	(76)	156
Inventories	158	(1)	(19)	(32)
Increase (decrease) in:
Accounts payable	(148)	(84)	82	18
Contract liabilities	0	124	81	(31)
Compensation and benefits	(28)	19	2	(37)
Other accrued items	(128)	(78)	(38)	(76)
Income taxes	47	(23)	(117)	26
Other	119	21	(2)	(21)
Net cash provided by operating activities	939	1,185	751	569
Investing Activities
Net cash acquired in L3Harris Merger	1,130	0	0	0
Net additions of property, plant and equipment	(173)	(161)	(136)	(119)
Proceeds from sales of businesses, net	343	0	0	1,014
Adjustment to proceeds from sale of business	0	0	(2)	(25)
Proceeds from sale of asset group	20	0	0	0
Other investing activities	0	2	(3)	0
Net cash provided by (used in) investing activities	1,320	(159)	(141)	870
Financing Activities
Net proceeds from borrowings	396	27	1,387	85
Repayments of borrowings	(505)	(308)	(1,658)	(584)
Proceeds from exercises of employee stock options	109	50	34	54
Repurchases of common stock	(1,500)	(200)	(272)	(710)
Cash dividends	(337)	(325)	(272)	(262)
Distributions to noncontrolling interests	(10)	0	0	0
Tax withholding payments associated with vested share-based awards	(86)	(24)	(17)	(21)
Other financing activities	(38)	(1)	(7)	0
Net cash used in financing activities	(1,971)	(781)	(805)	(1,438)
Effect of exchange rate changes on cash and cash equivalents	6	(3)	(1)	(4)
Net increase (decrease) in cash and cash equivalents	294	242	(196)	(3)
Cash and cash equivalents, beginning of period	530	288	484	487
Cash and cash equivalents, end of period	$ 824	$ 530	$ 288	$ 484