Consolidated Statement of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Operating Activities
Net income	$ 7,679	$ 7,175	$ 7,353
Depreciation and amortization	2,710	2,548	2,432
Operating lease right-of-use asset amortization	505	478	412
Share-based compensation expense	301	264	237
Restructuring and impairment charges	247	289	370
Cash payments for restructuring charges	(256)	(255)	(350)
Acquisition and divestiture-related charges	(4)	255	55
Cash payments for acquisition and divestiture-related charges	(176)	(131)	(10)
Pension and retiree medical plan expenses	123	408	519
Pension and retiree medical plan contributions	(785)	(562)	(716)
Deferred income taxes and other tax charges and credits	298	361	453
Tax expense/(benefit) related to the TCJ Act	190	0	(8)
Tax payments related to the TCJ Act	(309)	(78)	(423)
Change in assets and liabilities [Abstract]
Accounts and notes receivable	(651)	(420)	(650)
Inventories	(582)	(516)	(190)
Prepaid expenses and other current assets	159	26	(87)
Accounts payable and other current liabilities	1,762	766	735
Income taxes payable	30	(159)	(287)
Other, net	375	164	(196)
Net Cash Provided by Operating Activities	11,616	10,613	9,649
Investing Activities
Capital spending	(4,625)	(4,240)	(4,232)
Sales of property, plant and equipment	166	55	170
Acquisitions, net of cash acquired, and investments in noncontrolled affiliates	(61)	(6,372)	(2,717)
Divestitures and sales of investments in noncontrolled affiliates	169	6	253
Short-term investments, by original maturity:
More than three months - purchases	0	(1,135)	0
More than three months - maturities	1,135	0	16
More than three months - sales	0	0	62
Three months or less, net	(58)	27	19
Other investing, net	5	40	(8)
Net Cash Used for Investing Activities	(3,269)	(11,619)	(6,437)
Financing Activities
Proceeds from issuances of long-term debt	4,122	13,809	4,621
Payments of long-term debt	(3,455)	(1,830)	(3,970)
Cash tender offers/debt redemption	(4,844)	(1,100)	(1,007)
Short-term borrowings, by original maturity
More than three months - proceeds	8	4,077	6
More than three months - payments	(397)	(3,554)	(2)
Three months or less, net	434	(109)	(3)
Payments of acquisition-related contingent consideration	(773)	0	0
Cash dividends paid	(5,815)	(5,509)	(5,304)
Share repurchases - common	(106)	(2,000)	(3,000)
Proceeds from exercises of stock options	185	179	329
Withholding tax payments on restricted stock units (RSUs) and performance stock units (PSUs) converted	(92)	(96)	(114)
Other financing	(47)	(48)	(45)
Net Cash (Used for)/Provided by Financing Activities	(10,780)	3,819	(8,489)
Effect of exchange rate changes on cash and cash equivalents and restricted cash	(114)	(129)	78
Net (Decrease)/Increase in Cash and Cash Equivalents and Restricted Cash	(2,547)	2,684	(5,199)
Cash and cash equivalents and restricted cash	$ 5,707	$ 8,254	$ 5,570