RETIREMENT BENEFITS - Funded Status of Plan and Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 29, 2023	Dec. 30, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 8,860	$ 7,653	$ 9,924
PBO	(8,794)	(7,722)	(10,355)
Funded status	66	(69)
Consolidated Balance Sheet line item amounts:
Assets of business held for sale	1,106	47
Assets of business held for sale
Consolidated Balance Sheet line item amounts:
Assets of business held for sale	4	0
Other non-current assets
Consolidated Balance Sheet line item amounts:
Defined benefit plan assets	289	210
Compensation and benefits
Consolidated Balance Sheet line item amounts:
Defined benefit plan liabilities, current	(19)	(17)
Other long-term liabilities
Consolidated Balance Sheet line item amounts:
Defined benefit plan liabilities, noncurrent	(208)	(262)
Pension
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8,595	7,411	9,604
PBO	(8,563)	(7,494)	(10,007)
Funded status	32	(83)
Pension | Assets of business held for sale
Consolidated Balance Sheet line item amounts:
Assets of business held for sale	4	0
Pension | Other non-current assets
Consolidated Balance Sheet line item amounts:
Defined benefit plan assets	193	144
Pension | Compensation and benefits
Consolidated Balance Sheet line item amounts:
Defined benefit plan liabilities, current	(12)	(11)
Pension | Other long-term liabilities
Consolidated Balance Sheet line item amounts:
Defined benefit plan liabilities, noncurrent	(153)	(216)
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	265	242	320
PBO	(231)	(228)	$ (348)
Funded status	34	14
Other Benefits | Assets of business held for sale
Consolidated Balance Sheet line item amounts:
Assets of business held for sale	0	0
Other Benefits | Other non-current assets
Consolidated Balance Sheet line item amounts:
Defined benefit plan assets	96	66
Other Benefits | Compensation and benefits
Consolidated Balance Sheet line item amounts:
Defined benefit plan liabilities, current	(7)	(6)
Other Benefits | Other long-term liabilities
Consolidated Balance Sheet line item amounts:
Defined benefit plan liabilities, noncurrent	$ (55)	$ (46)