CONDENSED CONSOLIDATED STATEMENT OF EQUITY - USD ($) shares in Millions, $ in Millions		Total	Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Repurchased Common Stock	Total Common Shareholder's Equity	Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			$ 23		$ 63,443	$ (15,476)
Common Stocks, Including Additional Paid in Capital				$ 3,910
Treasury Stock, Value							$ (38,446)
Noncontrolling interests									$ 98
Common Stock, Dividends, Per Share, Declared		$ 1.0225
Balance, beginning of year, shares at Dec. 26, 2020			1,380
Balance, end of year, shares at Mar. 20, 2021			1,382
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury Stock, Value, Acquired, Cost Method			$ 0
Share-based compensation expense				80
Stock Issued During Period, Value, Stock Options Exercised				(119)			$ 182
Withholding tax on RSUs and PSUs converted				(71)
Net income attributable to PepsiCo		$ 1,714			1,714
Cash dividends declared - common	[1]				(1,417)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent						230
Shares issued, beginning of year at Dec. 26, 2020							(487)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Shares			2				(1)
Stock option exercises, shares							3
Stock Repurchased During Period, Value							$ (106)
Shares issued, end of period at Mar. 20, 2021							(485)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Less: Net income attributable to noncontrolling interests		9							9
Other									(1)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		14,053	$ 23		63,740	(15,246)		$ 13,947
Common Stocks, Including Additional Paid in Capital				3,800
Treasury Stock, Value							$ (38,370)
Noncontrolling interests									106
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		16,151	$ 23		65,165	(14,898)
Common Stocks, Including Additional Paid in Capital				4,001
Treasury Stock, Value		38,248					(38,248)
Noncontrolling interests		$ 108							108
Common Stock, Dividends, Per Share, Declared		$ 1.075
Balance, beginning of year, shares at Dec. 25, 2021			1,383
Balance, end of year, shares at Mar. 19, 2022			1,384
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury Stock, Value, Acquired, Cost Method			$ 0
Share-based compensation expense				83
Stock Issued During Period, Value, Stock Options Exercised				(106)			$ 156
Withholding tax on RSUs and PSUs converted				(85)
Net income attributable to PepsiCo		$ 4,261			4,261
Cash dividends declared - common	[1]				(1,492)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent						(445)
Shares issued, beginning of year at Dec. 25, 2021							(484)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Shares			1				(1)
Stock option exercises, shares							2
Stock Repurchased During Period, Value							$ (213)
Shares issued, end of period at Mar. 19, 2022							(483)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Less: Net income attributable to noncontrolling interests		12							12
Other									(2)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		18,320	$ 23		$ 67,934	$ (15,343)		$ 18,202
Common Stocks, Including Additional Paid in Capital				$ 3,893
Treasury Stock, Value		38,305					$ (38,305)
Noncontrolling interests		$ 118							$ 118

[1] Cash dividends declared per common share were $1.075 and $1.0225 for the 12 weeks ended March 19, 2022 and March 20, 2021, respectively.