Supplemental Financial Statement Data Consolidated Balance Sheet (Details) - USD ($) $ in Millions	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Disclosure Text Block Supplement [Abstract]
Trade receivables	$ 1,240	$ 1,272
Allowance for doubtful accounts	(15)	(19)	$ (10)	$ (10)
Refundable income taxes	62	66
Other Receivables	202	218
Accounts receivable, net	1,489	1,537
Raw materials and supplies	383	338
Finished goods and materials in process	1,015	946
Inventories, net	1,398	1,284
Land	123	120
Buildings	2,238	2,135
Machinery and equipment	6,277	6,080
Capitalized software	594	543
Construction in progress	623	641
Accumulated depreciation	(6,028)	(5,806)
Property, net	3,827	3,713	$ 3,612
Other intangibles	2,552	2,612
Accumulated amortization	(143)	(121)
Other intangibles, net	2,409	2,491
Pension	448	324
Deferred income taxes	215	254
Nonpension post retirement benefit plans	577	369
Other	473	515
Other assets	1,713	1,462
Accrued income taxes	49	58
Other	714	709
Other Liabilities, Current	763	767
Income taxes payable	40	56
Nonpension postretirement benefits	32	34
Other	384	435
Other liabilities	$ 456	$ 525