CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 24, 2018	Mar. 25, 2017
Operating Activities
Net income	$ 1,353	$ 1,329
Depreciation and amortization	496	477
Share-based compensation expense	80	72
Restructuring and impairment charges	12	27
Cash payments for restructuring charges	(39)	(7)
Pension and retiree medical plan expenses	46	44
Pension and retiree medical plan contributions	(1,521)	(79)
Deferred income taxes and other tax charges and credits	50	129
Change in assets and liabilities [Abstract]
Accounts and notes receivable	(162)	(128)
Inventories	(383)	(513)
Prepaid expenses and other current assets	(347)	(299)
Accounts payable and other current liabilities	(1,050)	(1,386)
Income taxes payable	178	172
Other, net	(22)	(31)
Net Cash Provided by (Used in) Operating Activities	(1,309)	(193)
Investing Activities
Capital spending	(352)	(317)
Sales of property, plant and equipment	9	12
Acquisitions and investments in noncontrolled affiliates	(36)	(36)
Divestitures	42	41
Short-term investments, by original maturity [Abstract]
More than three months - purchases	(3,416)	(3,436)
More than three months - maturities	4,609	3,866
More than three months - sales	533	138
Three months or less, net	7	0
Other investing, net	0	1
Net Cash Provided by (Used in) Investing Activities	1,396	269
Financing Activities
Payments of long-term debt	0	(752)
Short-term borrowings, by original maturity
More than three months - proceeds	0	28
More than three months - payments	(1)	0
Three months or less, net	4,291	2,396
Cash dividends paid	(1,160)	(1,098)
Share repurchases - common	(493)	(444)
Share repurchases - preferred	(2)	(1)
Proceeds from exercises of stock options	125	245
Withholding tax payments on RSUs, PSUs and PEPunits converted	(76)	(116)
Other financing	(2)	(1)
Net Cash Provided by/(Used for) Financing Activities	2,682	257
Effect of exchange rate changes on cash and cash equivalents and restricted cash and cash equivalents	49	43
Cash and Cash Equivalents and Restricted Cash and Cash Equivalents, Period Increase (Decrease)	2,818	376
Cash and Cash Equivalents and Restricted Cash and Cash Equivalents, Beginning of Year	10,657	9,169
Cash and Cash Equivalents and Restricted Cash and Cash Equivalents, End of Period	$ 13,475	$ 9,545