Consolidated Balance Sheet (Unaudited) (Details) - USD ($) $ in Millions	Mar. 30, 2019	Dec. 29, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Trade receivables	$ 1,394	$ 1,163
Allowance for doubtful accounts	(10)	(10)
Redundable income taxes	22	28
Other receivables	227	194
Accounts receivable, net	1,633	1,375
Raw materials and supplies	356	339
Finished goods and materials in process	963	991
Inventories	1,319	1,330
Property	9,279	9,173
Accumulated depreciation	(5,546)	(5,442)
Property, net	3,733	3,731
Pension	251	228
Deferred income taxes	245	246
Other	612	594
Other assets	1,108	1,068
Accrued income taxes	29	48
Accrued salaries and wages	205	309
Accrued advertising and promotion	582	557
Other	570	502
Other current liabilities	1,386	1,416
Income taxes payable	118	115
Nonpension postretirement benefits	35	34
Other	330	355
Other liabilities	$ 483	$ 504