Consolidated Balance Sheet (Unaudited) (Details) - USD ($) $ in Millions	Jun. 29, 2019	Dec. 29, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Trade receivables	$ 1,409	$ 1,163
Allowance for doubtful accounts	(9)	(10)
Redundable income taxes	18	28
Other receivables	225	194
Accounts receivable, net	1,643	1,375
Raw materials and supplies	327	339
Finished goods and materials in process	907	991
Inventories	1,234	1,330
Property	8,814	9,173
Accumulated depreciation	(5,288)	(5,442)
Property, net	3,526	3,731
Pension	267	228
Deferred income taxes	256	246
Other	648	594
Other assets	1,171	1,068
Accrued income taxes	10	48
Accrued salaries and wages	243	309
Accrued advertising and promotion	603	557
Current liabilities held for sale	1	0
Other	552	502
Other current liabilities	1,409	1,416
Income taxes payable	118	115
Nonpension postretirement benefits	36	34
Noncurrent liabilities held for sale	4	0
Other	330	355
Other liabilities	$ 488	$ 504