Income Taxes (Income Taxes) (Details) (USD $) In Millions, unless otherwise specified	4 Months Ended	12 Months Ended					4 Months Ended	12 Months Ended
	Dec. 29, 2012	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011	Dec. 28, 2013 Deferred Taxes	Dec. 29, 2012 Deferred Taxes	Dec. 28, 2013 Tax Settlement, Years 2003-2009	Dec. 28, 2013 Open Tax Years
Income Tax Contingency [Line Items]
Income Taxes Paid							$ 758	$ 226
Income before income taxes in U.S		3,078	3,234	3,964
Income before income taxes in Foreign		5,813	5,070	4,870
Income before income taxes		8,891	8,304	8,834
Provision for income taxes
Current: U.S. Federal		1,092	911	611
Current: Foreign		807	940	882
Current: State		124	153	124
Provision for income taxes, Current total		2,023	2,004	1,617
Deferred: U.S. Federal		87	154	789
Deferred: Foreign		11	(95)	(88)
Deferred: State		(17)	27	54
Provision for income taxes, Deferred total		81	86	755
Provision for income taxes		2,104	2,090	2,372
U.S. Federal statutory tax rate
U.S. Federal statutory tax rate		35.00%	35.00%	35.00%
State income tax, net of U.S. Federal tax benefit		1.20%	1.40%	1.30%
Lower taxes on foreign results		(8.80%)	(6.90%)	(8.70%)
Tax benefits		(2.40%)	(2.60%)	0.00%
Other, net		(1.30%)	(1.70%)	(0.80%)
Annual tax rate		23.70%	25.20%	26.80%
Deferred tax liabilities
Pension benefits		84
Debt guarantee of wholly owned subsidiary	828	828	828
Property, plant and equipment	2,424	2,327	2,424
Intangible assets other than nondeductible goodwill	4,388	4,348	4,388
Other	308	361	308
Gross deferred tax liabilities	7,948	7,948	7,948
Deferred tax assets
Net carryforwards	1,378	1,485	1,378
Stock-based compensation	378	303	378
Retiree medical benefits	411	384	411
Other employee-related benefits	672	627	672
Pension benefits	647		647
Deductible state tax and interest benefits	345	155	345
Long-term debt obligations acquired	164	125	164
Other	863	959	863
Gross deferred tax assets	4,858	4,038	4,858
Valuation allowances	1,233	1,360	1,233	1,264
Deferred tax assets, net	3,625	2,678	3,625
Net deferred tax liabilities	4,323	5,270	4,323
Prepaid expenses and other current assets	1,479	2,162	1,479		716	740
Deferred income taxes	5,063	5,986	5,063
Valuation Allowance [Abstract]
Balance, beginning of year		1,233	1,264	875
Provision	68	111	68	464
Other additions/(deductions)		16	(99)	(75)
Balance, end of year	1,233	1,360	1,233	1,264
non cash tax benefit	$ 217						$ 209