Supplemental Financial Information (Schedule of Supplemental Balance Sheet Information) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013		Dec. 29, 2012		Dec. 31, 2011
Accounts and notes receivable
Trade receivables	$ 6,178		$ 6,215
Other receivables	921		983
Total receivables	7,099		7,198
Analysis of valuation allowances
Allowance, beginning of year	157		157		144
Net amounts charged to expense	29		28		30
Deductions	(34)	[1]	(27)	[1]	(41)	[1]
Other	(7)	[2]	(1)	[2]	24	[2]
Allowance, end of year	145		157		157
Net receivables	6,954		7,041
Inventories (c)
Raw materials	1,732	[3]	1,875	[3]
Work-in-process	168	[3]	173	[3]
Finished goods	1,509	[3]	1,533	[3]
Inventories	3,409	[3]	3,581	[3]
Percent of inventory cost calculated using the LIFO method	3.00%		3.00%
Other assets
Noncurrent notes and accounts receivable	105		136
Deferred marketplace spending	214		195
Pension plans	687	[4]	62	[4]
Other investments	782		718
Other	419		542
Other Assets	2,207		1,653
Accounts payable and other current liabilities
Accounts payable	4,874		4,451
Accrued marketplace spending	2,245		2,187
Accrued compensation and benefits	1,789		1,705
Dividends payable	877		838
Other current liabilities	2,748		2,722
Accounts payable and other current liabilities	$ 12,533		$ 11,903

[1] Includes accounts written off.

[2] Includes adjustments related to acquisitions and divestitures, currency translation and other adjustments.

[3] Approximately 3%, in both 2013 and 2012, of the inventory cost was computed using the LIFO method. The differences between LIFO and FIFO methods of valuing these inventories were not material.

[4] See Note 7 for additional information regarding our pension plans.