Consolidated Statement of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Statement of Cash Flows [Abstract]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 5,501	$ 6,558	$ 6,787
Operating Activities
Depreciation and amortization	2,416	2,625	2,663
Share-based compensation expense	295	297	303
Merger and integration charges	0	0	10
Cash payments for merger and integration charges	0	0	(25)
Restructuring and impairment charges	230	418	163
Cash payments for restructuring charges	(208)	(266)	(133)
Charge related to the transaction with Tingyi	73	0	0
Cash payments for restructuring and other charges related to the transaction with Tingyi	0	0	(26)
Venezuela impairment charges	1,359	0	0
Venezuela remeasurement charges	0	105	111
Excess tax benefits from share-based payment arrangements	(133)	(114)	(117)
Pension and retiree medical plan expenses	467	667	663
Pension and retiree medical plan contributions	(205)	(655)	(262)
Deferred income taxes and other tax charges and credits	78	(19)	(1,058)
Accounts and notes receivable	(461)	(343)	(88)
Inventories	(244)	(111)	4
Prepaid expenses and other current assets	(50)	80	(51)
Accounts payable and other current liabilities	1,692	1,162	1,007
Income taxes payable	55	371	86
Other, net	(285)	(269)	(349)
Net Cash Provided by Operating Activities	10,580	10,506	9,688
Investing Activities
Capital spending	(2,758)	(2,859)	(2,795)
Sales of property, plant and equipment	86	115	109
Acquisitions and investments in noncontrolled affiliates	(86)	(88)	(109)
Reduction of cash due to Venezuela deconsolidation	(568)	0	0
Divestitures	76	203	130
Short-term investments, by original maturity
More than three months - purchases	(4,428)	(6,305)	0
More than three months - maturities	4,111	3,891	0
Three months or less, net	3	116	61
Other investing, net	(5)	(10)	(21)
Net Cash Used for Investing Activities	(3,569)	(4,937)	(2,625)
Financing Activities
Proceeds from issuances of long-term debt	8,702	3,855	4,195
Payments of long-term debt	(4,095)	(2,189)	(3,894)
Short-term borrowings, by original maturity
More than three months - proceeds	15	50	23
More than three months - payments	(43)	(10)	(492)
Three months or less, net	53	(2,037)	1,634
Cash dividends paid	(4,040)	(3,730)	(3,434)
Share repurchases - common	(5,000)	(5,012)	(3,001)
Share repurchases - preferred	(5)	(10)	(7)
Proceeds from exercises of stock options	504	755	1,123
Excess tax benefits from share-based payment arrangements	133	114	117
Acquisition of noncontrolling interests	0	0	(20)
Other financing	(52)	(50)	(33)
Net Cash Used for Financing Activities	(3,828)	(8,264)	(3,789)
Effect of exchange rate changes on cash and cash equivalents	(221)	(546)	(196)
Net Increase/(Decrease) in Cash and Cash Equivalents	2,962	(3,241)	3,078
Cash and Cash Equivalents, Beginning of Year	6,134	9,375	6,297
Cash and Cash Equivalents, End of Year	$ 9,096	$ 6,134	$ 9,375