ACCOUNTING CHANGES OR RECENT ACCOUNTING PRONOUNCEMENTS - Effect of ASC 606 on Consolidated Statement of Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 28, 2019	Jun. 29, 2018	Jun. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income	$ 949	$ 699	$ 543
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of acquisition-related intangibles	115	117	151
Depreciation and other amortization	143	142	160
Share-based compensation	141	82	42
Qualified pension plan contributions	(1)	(301)	(589)
Pension income	(136)	(135)	(97)
Impairment of goodwill and other assets	0	0	240
Loss on sales of businesses, net	0	0	14
Loss on extinguishment of debt	0	24	0
(Increase) decrease in:
Accounts receivable	(9)	(101)	24
Contract assets	(25)	(76)	156
Inventories	(1)	(19)	(32)
Increase (decrease) in:
Accounts payable	(84)	82	18
Advance payments and unearned income		0	0
Contract liabilities	124	81	(31)
Income taxes	22	202	111
Other	(53)	(46)	(141)
Net cash provided by operating activities	$ 1,185	751	569
As Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income		718	553
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of acquisition-related intangibles		117	151
Depreciation and other amortization		142	160
Share-based compensation		82	42
Qualified pension plan contributions		(301)	(589)
Pension income		(135)	(97)
Impairment of goodwill and other assets		0	240
Loss on sales of businesses, net		0	14
Loss on extinguishment of debt		24	0
(Increase) decrease in:
Accounts receivable		(112)	111
Contract assets		0	0
Inventories		(84)	28
Increase (decrease) in:
Accounts payable		82	18
Advance payments and unearned income		63	(42)
Contract liabilities		0	0
Income taxes		202	131
Other		(47)	(151)
Net cash provided by operating activities		751	569
Restatement Adjustment \| Effect of Adopting ASC 606
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income		(19)	(10)
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of acquisition-related intangibles		0	0
Depreciation and other amortization		0	0
Share-based compensation		0	0
Qualified pension plan contributions		0	0
Pension income		0	0
Impairment of goodwill and other assets		0	0
Loss on sales of businesses, net		0	0
Loss on extinguishment of debt		0	0
(Increase) decrease in:
Accounts receivable		11	(87)
Contract assets		(76)	156
Inventories		65	(60)
Increase (decrease) in:
Accounts payable		0	0
Advance payments and unearned income		(63)	42
Contract liabilities		81	(31)
Income taxes		0	(20)
Other		1	10
Net cash provided by operating activities		$ 0	$ 0

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