Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Operating activities
Net income	$ 1,808	$ 961	$ 864
Adjustments to reconcile net income to operating cash flows:
Depreciation and amortization	532	448	369
Postretirement benefit plan (income) expense	(1,078)	419	684
Deferred income taxes	317	(159)	(93)
Other	25	(21)	(115)
Postretirement benefit plan contributions	(48)	(51)	(192)
Changes in operating assets and liabilities, net of acquisitions:
Trade receivables	(46)	(65)	(100)
Inventories	116	(80)	(125)
Accounts payable	30	208	40
Accrued income taxes	4	25	132
Accrued interest expense	(9)	(1)	(7)
Accrued and prepaid advertising, promotion and trade allowances	(30)	97	4
Accrued salaries and wages	61	15	89
All other current assets and liabilities	125	(38)	45
Net cash provided by (used in) operating activities	1,807	1,758	1,595
Investing activities
Additions to properties	(637)	(533)	(594)
Acquisitions, net of cash acquired	0	(2,668)	0
Other	(4)	(44)	7
Net cash provided by (used in) investing activities	(641)	(3,245)	(587)
Financing activities
Net increase (reduction) of notes payable, with maturities less than or equal to 90 days	(524)	779	189
Issuances of notes payable, with maturities greater than 90 days	640	724	0
Reductions of notes payable, with maturities greater than 90 days	(442)	(707)	0
Issuances of long-term debt	645	1,727	895
Reductions of long-term debt	(762)	(750)	(945)
Net issuances of common stock	475	229	291
Common stock repurchases	(544)	(63)	(798)
Cash dividends	(653)	(622)	(604)
Other	24	0	15
Net cash provided by (used in) financing activities	(1,141)	1,317	(957)
Effect of exchange rate changes on cash and cash equivalents	(33)	(9)	(35)
Increase (decrease) in cash and cash equivalents	(8)	(179)	16
Cash and cash equivalents at beginning of period	281	460	444
Cash and cash equivalents at end of period	$ 273	$ 281	$ 460