Net Income Attributable to PepsiCo per Common Share - Basic And Diluted Net Income Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 17, 2023	Jun. 11, 2022	Jun. 17, 2023	Jun. 11, 2022
Earnings Per Share [Abstract]
Earnings Per Share, Basic (in USD per share)	$ 1.99	$ 1.03	$ 3.40	$ 4.11
Net Income (Loss) Available to Common Stockholders, Basic	$ 2,748	$ 1,429	$ 4,680	$ 5,690
Weighted Average Number of Shares Outstanding, Basic (in shares)	1,378	1,382	1,378	1,383
Dilutive Securities [Abstract]
Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units	$ 0	$ 0	$ 0	$ 0
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	6	7	6	7
Net Income (Loss) Available to Common Stockholders, Diluted	$ 2,748	$ 1,429	$ 4,680	$ 5,690
Weighted Average Number of Shares Outstanding, Diluted	1,384	1,389	1,384	1,390
Earnings Per Share, Diluted (in USD per share)	$ 1.99	$ 1.03	$ 3.38	$ 4.09