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NON-OPERATING INCOME (Details) - USD ($)			3 Months Ended		6 Months Ended	12 Months Ended
	Dec. 14, 2020	Dec. 16, 2019	Jun. 29, 2018	Dec. 29, 2017	Jan. 03, 2020	Jan. 01, 2021	Jun. 28, 2019	Jun. 29, 2018	Dec. 16, 2020	Nov. 27, 2019	Jun. 22, 2018
Nonoperating Income (Expense) [Abstract]
Pension adjustment					$ 172,000,000	$ 389,000,000	$ 186,000,000	$ 184,000,000
Gain on pension plan curtailment					23,000,000	0	0	0
Gain (loss) on extinguishment of debt					(2,000,000)	2,000,000	0	(24,000,000)
Other					(1,000,000)	10,000,000	2,000,000	(4,000,000)
Total non-operating income					192,000,000	$ 401,000,000	$ 188,000,000	156,000,000
Floating-rate notes
Nonoperating Income (Expense) [Abstract]
Gain (loss) on extinguishment of debt			$ (22,000,000)
Debt Instrument [Line Items]
Aggregate principal amount of debt redeemed										$ 400,000,000
Floating-rate notes | 4.95% notes due February 15, 2021 (“4.95% 2021 Notes”)
Nonoperating Income (Expense) [Abstract]
Gain (loss) on extinguishment of debt	$ 2,000,000
Debt Instrument [Line Items]
Aggregate principal amount of debt redeemed					$ 650,000,000
Debt interest rate					4.95%	4.95%
Repayment of debt	$ 650,000,000
Debt					$ 650,000,000	$ 0
Floating-rate notes | 2.7% notes, due April 27, 2020
Nonoperating Income (Expense) [Abstract]
Gain (loss) on extinguishment of debt					(2,000,000)
Debt Instrument [Line Items]
Aggregate principal amount of debt redeemed					$ 400,000,000				$ 400,000,000
Debt interest rate					2.70%				2.70%
Repayment of debt		$ 403,000,000
Floating-rate notes | 4.4% 2020 notes
Debt Instrument [Line Items]
Aggregate principal amount of debt redeemed			$ 800,000,000					$ 800,000,000			$ 400,000,000
Debt interest rate											4.40%
Variable-rate debt
Debt Instrument [Line Items]
Debt					$ 250,000,000	$ 250,000,000
Variable-rate debt | Term loan, 5-year tranche, due May 29, 2020
Debt Instrument [Line Items]
Repayment of debt				$ 253,000,000
Term of senior unsecured revolving credit agreement				5 years				5 years
Debt				$ 1,300,000,000

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Other Miscellaneous Nonoperating Income (Expense)

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