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LEGAL PROCEEDINGS (Details) $ in Millions			3 Months Ended	12 Months Ended
LEGAL PROCEEDINGS (Details) $ in Millions	Jun. 24, 2024	Nov. 11, 2023 lawsuit	Sep. 29, 2024 USD ($)	Dec. 29, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jan. 01, 2023 USD ($)	Sep. 03, 2024 USD ($)	Feb. 02, 2024 lawsuit	Jan. 09, 2024 movant	Oct. 01, 2023
Loss Contingencies [Line Items]
Legal contingency and settlement				$ 456	$ (20)	$ (619)
Loss contingency, new claims filed, number \| lawsuit		3
Commitments and contingencies, number of movants filed motions consolidate actions \| movant									4
Commitments and contingencies, number of additional securities class actions \| lawsuit								2
Acquisition Of Grail, Inc.
Loss Contingencies [Line Items]
Loss contingency accrual							$ 432
Legal contingency and settlement			$ 481
Litigation settlement, gain			489
Litigation settlement, loss			$ 8
Long-term debt, fine percentage rate										0.055
Complete Genomics
Loss Contingencies [Line Items]
Payments for legal settlements				325
Payments for legal settlements, amount allocated to release of past damages claimed				150
Former gain contingency, recognized in current period				5
Complete Genomics \| License
Loss Contingencies [Line Items]
License granted intangible assets				$ 180
Finite-lived intangible assets, remaining amortization period				6 years 6 months
Spinoff \| GRAIL
Loss Contingencies [Line Items]
Percent of interest disposed	85.50%