ACCOUNTING CHANGES OR RECENT ACCOUNTING PRONOUNCEMENTS - Effect of ASC 606 on Consolidated Balance Sheet (Details) - USD ($) $ in Millions	Jun. 28, 2019	Jun. 29, 2018	Jun. 30, 2017	Jul. 01, 2016
Current Assets
Cash and cash equivalents	$ 530	$ 288	$ 484	$ 487
Receivables	457	466	365
Contract assets	807	782	706
Inventories	360	411	392
Income taxes receivable	191	174	24
Other current assets	100	103	101
Total current assets	2,578	2,224	2,072
Non-current Assets
Property, plant and equipment	894	900	904
Goodwill	5,340	5,372	5,366
Other intangible assets	870	989	1,104
Non-current deferred income taxes	173	119	424
Other non-current assets	262	247	242
Total non-current assets	7,539	7,627	8,040
Total assets	10,117	9,851	10,112
Current Liabilities
Short-term debt	103	78	80
Accounts payable	525	622	540
Advanced payments and unearned income		0	0
Contract liabilities	496	372	291
Compensation and benefits	161	142	140
Other accrued items	283	317	332
Income taxes payable	8	15	30
Current portion of long-term debt, net	656	304	554
Total current liabilities	2,268	1,850	1,967
Non-current Liabilities
Defined benefit plans	1,174	714	1,278
Long-term debt, net	2,763	3,408	3,396
Non-current deferred income taxes	12	79	34
Other long-term liabilities	537	522	534
Total non-current liabilities	4,486	4,723	5,242
Shareholders’ Equity:
Common stock	119	118	120
Other capital	1,778	1,714	1,741
Retained earnings	2,173	1,648	1,318
Accumulated other comprehensive loss	(707)	(202)	(276)
Total shareholders’ equity	3,363	3,278	2,903
Total liabilities and equity	$ 10,117	9,851	10,112
As Previously Reported
Current Assets
Cash and cash equivalents		288	484
Receivables		735	623
Contract assets		0	0
Inventories		925	841
Income taxes receivable		174	24
Other current assets		101	101
Total current assets		2,223	2,073
Non-current Assets
Property, plant and equipment		900	904
Goodwill		5,372	5,366
Other intangible assets		989	1,104
Non-current deferred income taxes		116	409
Other non-current assets		239	234
Total non-current assets		7,616	8,017
Total assets		9,839	10,090
Current Liabilities
Short-term debt		78	80
Accounts payable		622	540
Advanced payments and unearned income		314	252
Contract liabilities		0	0
Compensation and benefits		142	140
Other accrued items		313	329
Income taxes payable		15	31
Current portion of long-term debt, net		304	554
Total current liabilities		1,788	1,926
Non-current Liabilities
Defined benefit plans		714	1,278
Long-term debt, net		3,408	3,396
Non-current deferred income taxes		90	34
Other long-term liabilities		517	528
Total non-current liabilities		4,729	5,236
Shareholders’ Equity:
Common stock		118	120
Other capital		1,714	1,741
Retained earnings		1,692	1,343
Accumulated other comprehensive loss		(202)	(276)
Total shareholders’ equity		3,322	2,928
Total liabilities and equity		9,839	10,090
Restatement Adjustment | Effect of Adopting ASC 606
Current Assets
Cash and cash equivalents		0	0
Receivables		(269)	(258)
Contract assets		782	706
Inventories		(514)	(449)
Income taxes receivable		0	0
Other current assets		2	0
Total current assets		1	(1)
Non-current Assets
Property, plant and equipment		0	0
Goodwill		0	0
Other intangible assets		0	0
Non-current deferred income taxes		3	15
Other non-current assets		8	8
Total non-current assets		11	23
Total assets		12	22
Current Liabilities
Short-term debt		0	0
Accounts payable		0	0
Advanced payments and unearned income		(314)	(252)
Contract liabilities		372	291
Compensation and benefits		0	0
Other accrued items		4	3
Income taxes payable		0	(1)
Current portion of long-term debt, net		0	0
Total current liabilities		62	41
Non-current Liabilities
Defined benefit plans		0	0
Long-term debt, net		0	0
Non-current deferred income taxes		(11)	0
Other long-term liabilities		5	6
Total non-current liabilities		(6)	6
Shareholders’ Equity:
Common stock		0	0
Other capital		0	0
Retained earnings		(44)	(25)
Accumulated other comprehensive loss		0	0
Total shareholders’ equity		(44)	(25)
Total liabilities and equity		$ 12	$ 22