Net Income Attributable to PepsiCo per Common Share (Basic and Diluted Net Income Attributable to PepsiCo per Common Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020
Earnings Per Share [Abstract]
Net income	$ 8,910	$ 7,618	$ 7,120
Net income available for PepsiCo common shareholders - Value	$ 8,910	$ 7,618	$ 7,120
Net income available for PepsiCo common stockholders - Shares	1,380	1,382	1,385
Basic net income attributable to PepsiCo per common share	$ 6.45	$ 5.51	$ 5.14
Stock options and RSUs - Shares	7	7	7
Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units	$ 0	$ 0	$ 0
Diluted shares - Value	$ 8,910	$ 7,618	$ 7,120
Diluted shares - Shares	1,387	1,389	1,392
Diluted net income attributable to PepsiCo per common share	$ 6.42	$ 5.49	$ 5.12