Acquisitions & Divestitures (Details) R / shares in Units, $ / shares in Units, $ in Millions, R in Billions		12 Months Ended
	Jan. 24, 2022 USD ($)	Dec. 25, 2021 USD ($) $ / shares	Dec. 26, 2020 USD ($) $ / shares	Dec. 26, 2020 ZAR (R)	Dec. 28, 2019 USD ($) $ / shares	Jun. 01, 2020 USD ($)	Apr. 24, 2020 USD ($)	Mar. 23, 2020 USD ($)	Mar. 23, 2020 ZAR (R) R / shares
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges		$ (4)	$ 255		$ 55
Goodwill		18,381	18,757
Disposal Group, Including Discontinued Operation, Assets		1,788	0
Disposal Group, Including Discontinued Operations, Accounts Receivable, net and Inventories		500
Disposal Group, Including Discontinued Operations, Goodwill and Other Intangible Assets		600
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment		500
Disposal Group, Including Discontinued Operation, Liabilities		753	$ 0
Disposal Group, Including Discontinued Operation, Accounts Payable and Accrued Liabilities		600
Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities		$ 200
Acquisition and divestiture-related charges, Per​Share​ | $ / shares		$ 0.02	$ (0.17)		$ (0.03)
Acquisition and divestiture-related charges, after-tax		$ (27)	$ 237		$ 47
Subsequent Event
Acquisitions & Divestitures [Line Items]
Disposal Group, Including Discontinued Operation, Consideration	$ 3,500
Sale of Stock, Percentage of Ownership after Transaction	39.00%
[Gain on divestiture]	$ 3,000
Africa, Middle East and South Asia [Member]
Acquisitions & Divestitures [Line Items]
Business Combination, Consideration Transferred			1,200
Business Acquisition, Share Price | R / shares									R 110.00
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory								$ 229
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment								379
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles								52
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets								183
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets and Liabilities								(53)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities								(117)
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value								(5)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net								668
Goodwill								558
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest								1,226
PepsiCo Beverages North America [Member]
Acquisitions & Divestitures [Line Items]
Business Combination, Consideration Transferred			3,850
Business Combination, Contingent Consideration, Liability, Noncurrent							$ 880
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory							52
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment							8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles							0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets							2,400
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets and Liabilities							(9)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities							0
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value							0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net							2,451
Goodwill							2,278
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest							$ 4,729
Asia Pacific, Australia and New Zealand, and China Region [Member]
Acquisitions & Divestitures [Line Items]
Business Combination, Consideration Transferred			700
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory						$ 45
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment						60
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles						98
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets						309
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets and Liabilities						(24)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities						(99)
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value						0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net						389
Goodwill						309
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest						$ 698
Frito Lay North America [Member]
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges		2	29		0
PepsiCo Beverages North America [Member]
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges		11	66		0
Africa, Middle East and South Asia [Member]
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges		10	173		7
Corporate Segment [Member]
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges		(39)	(20)		2
Asia Pacific, Australia and New Zealand, and China Region [Member]
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges		4	7		0
Europe
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges		$ 8	0		46
Recorded and unrecorded Pioneer commitment [Member]
Acquisitions & Divestitures [Line Items]
Other Commitment								500	R 8.8
Unrecorded Pioneer commitment [Member] [Member]
Acquisitions & Divestitures [Line Items]
Duration of Pioneer Commitment		5 years
Other Commitment								$ 400	R 6.5
Recorded Pioneer commitment [Member]
Acquisitions & Divestitures [Line Items]
Business Combination, Pioneer Commitment Expense			100	R 2.3
Cost of sales
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges		$ 1	32		34
Selling, general and administrative expenses
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges		$ (5)	$ 223		$ 21