Consolidated Statement of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Operating Activities
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 4,908	$ 6,379	$ 5,501
Depreciation and amortization	2,369	2,368	2,416
Share-based compensation expense	292	284	295
Restructuring and impairment charges	295	160	230
Cash payments for restructuring charges	(113)	(125)	(208)
Charges related to the transaction with Tingyi	0	373	73
Venezuela impairment charges	0	0	1,359
Pension and retiree medical plan expenses	221	501	467
Pension and retiree medical plan contributions	(220)	(695)	(205)
Deferred income taxes and other tax charges and credits	619	452	78
Provisional net tax expense related to the TCJ Act	2,451	0	0
Change in assets and liabilities [Abstract]
Accounts and notes receivable	(202)	(349)	(461)
Inventories	(168)	(75)	(244)
Prepaid expenses and other current assets	20	10	(50)
Accounts payable and other current liabilities	201	997	1,692
Income taxes payable	(338)	329	55
Other, net	(341)	64	(134)
Net Cash Provided by (Used in) Operating Activities	9,994	10,673	10,864
Investing Activities
Capital spending	(2,969)	(3,040)	(2,758)
Sales of property, plant and equipment	180	99	86
Acquisitions and investments in noncontrolled affiliates	(61)	(212)	(86)
Reduction of cash due to Venezuela deconsolidation	0	0	(568)
Divestitures	267	85	76
Short-term investments, by original maturity:
More than three months - purchases	(18,385)	(12,504)	(4,428)
More than three months - maturities	15,744	8,399	4,111
More than three months - sales	790	0	0
Three months or less, net	2	16	3
Other investing, net	29	9	(5)
Net Cash Used for Investing Activities	(4,403)	(7,148)	(3,569)
Financing Activities
Proceeds from issuances of long-term debt	7,509	7,818	8,702
Payments of long-term debt	(4,406)	(3,105)	(4,095)
Debt redemptions	0	(2,504)	0
Short-term borrowings, by original maturity
More than three months - proceeds	91	59	15
More than three months - payments	(128)	(27)	(43)
Three months or less, net	(1,016)	1,505	53
Cash dividends paid	(4,472)	(4,227)	(4,040)
Share repurchases - common	(2,000)	(3,000)	(5,000)
Share repurchases - preferred	(5)	(7)	(5)
Proceeds from exercises of stock options	462	465	504
Withholding tax payments on RSUs, PSUs and PEPunits converted	(145)	(130)	(151)
Other financing	(76)	(58)	(52)
Net Cash Used for Financing Activities	(4,186)	(3,211)	(4,112)
Effect of exchange rate changes on cash and cash equivalents	47	(252)	(221)
Cash and Cash Equivalents, Period Increase (Decrease)	1,452	62	2,962
Cash and Cash Equivalents, Beginning of Year	9,158	9,096	6,134
Cash and Cash Equivalents, End of Year	$ 10,610	$ 9,158	$ 9,096