Supplemental Financial Statement Data Consolidated Balance Sheet (Details) - USD ($) $ in Millions	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Supplemental Financial Statement Data [Abstract]
Trade receivables	$ 1,315	$ 1,163
Allowance for doubtful accounts	(10)	(10)	$ (10)	$ (8)
Refundable income taxes	56	28
Other Receivables	215	194
Accounts receivable, net	1,576	1,375
Raw materials and supplies	303	339
Finished goods and materials in process	923	991
Inventories, net	1,226	1,330
Land	116	120
Buildings	2,021	2,061
Machinery and equipment	5,852	5,971
Capitalized software	496	438
Construction in progress	566	583
Accumulated depreciation	(5,439)	(5,442)
Property, net	3,612	3,731	3,716
Other intangibles	2,677	3,448
Accumulated amortization	(101)	(87)	$ (67)
Other intangibles, net	2,576	3,361
Pension	241	228
Deferred income taxes	231	246
Other	667	594
Other Assets	1,139	1,068
Accrued income taxes	42	48
Accrued salaries and wages	290	309
Accrued advertising and promotion	641	557
Other	577	502
Other Liabilities, Current	1,550	1,416
Income taxes payable	81	115
Nonpension postretirement benefits	33	34
Other	429	355
Other liabilities	$ 543	$ 504