STOCK OPTIONS AND OTHER SHARE-BASED COMPENSATION - Share-based Compensation Expense (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jan. 03, 2020	Dec. 31, 2021	Jan. 01, 2021	Jun. 28, 2019
Share-based Payment Arrangement, Noncash Expense [Abstract]
Total expense	$ 125	$ 129	$ 94	$ 58
Tax effect on share-based compensation expense	(31)	(33)	(24)	(14)
Total share-based compensation expense after-tax	94	96	70	44
Cost of product sales and services
Share-based Payment Arrangement, Noncash Expense [Abstract]
Total expense	5	14	11	12
Engineering, selling and administrative expenses
Share-based Payment Arrangement, Noncash Expense [Abstract]
Total expense	120	115	83	46
Income from continuing operations
Share-based Payment Arrangement, Noncash Expense [Abstract]
Total expense	$ 125	$ 129	$ 94	$ 58