Acquisitions & Divestiture - Summary of Acquisition and Divestiture-Related Charges (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Mar. 25, 2023	Mar. 19, 2022
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	$ 2	$ 56
Acquisition and divestiture-related charges, after-tax	$ 1	$ 47
Acquisition and divestiture-related charges, PerShare	$ 0	$ (0.03)
PBNA
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	$ 2	$ 37
Europe
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	0	10
Corporate Segment
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	0	3
Selling, general and administrative expenses
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	2	50
Other pension and retiree medical benefits expense
Acquisitions & Divestitures [Line Items]
Acquisition and divestiture-related charges	$ 0	$ 6

[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 https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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