Acquisitions & Divestiture-Related Charges (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Mar. 19, 2022	Mar. 20, 2021
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	$ 56	$ (10)
Acquisition and divestiture-related charges, after-tax	$ 47	$ (7)
Acquisition and divestiture-related charges, PerShare	$ (0.03)	$ 0.01
Frito Lay North America [Member]
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	$ 0	$ 2
PepsiCo Beverages North America [Member]
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	37	1
Europe (Segment)
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	10	0
Africa, Middle East and South Asia [Member]
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	0	1
Corporate Segment [Member]
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	3	(14)
Selling, General and Administrative Expenses [Member]
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	50	(10)
Acquisition and divestiture-related charges, after-tax	$ 42
Acquisition and divestiture-related charges, PerShare	$ (0.03)
us-gaap_Otherpensionandretireemedicalbenefitsexpense
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	$ 6	$ 0

[Line Items] for Acquisitions & Divestitures [Table]

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- Definition

Business Combination, Separately Recognized Transactions, Net Gains and Losses, after-tax

+ References

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- Definition

Business Combination, Separately Recognized Transactions, Net Gains and Losses, Per Share

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- Definition

Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

+ References

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- Definition

The net gains or losses recognized for each transaction with the acquiree that was recognized separately from the acquisition of assets and assumptions of liabilities in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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