CONDENSED CONSOLIDATED STATEMENT OF EQUITY - USD ($) shares in Millions, $ in Millions	Total	Preferred Stock	Common Stock	Parent [Member]	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Repurchased Common Stock	Noncontrolling Interests	Redeemable Preferred Stock [Member] Preferred Stock
Preferred Stock, Shares Issued										(0.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred Stock, Value, Issued										$ (186)
Stockholders' Equity Attributable to Parent			$ 24		$ 4,076	$ 50,472	$ (13,319)	$ (29,185)
Stockholders' Equity Attributable to Noncontrolling Interest									$ 107
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent							506
Shares issued, beginning of year at Dec. 26, 2015								(418.0)
Shares issued, end of period at Jun. 11, 2016								(425.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemptions, shares										0.0
Redemptions										$ (2)
Balance, beginning of year, shares at Dec. 26, 2015			1,448.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Shares			(7.0)					(14.0)
Stock Repurchased During Period, Value								$ (1,369)
Stock option exercises, shares								7.0
Stock option exercises, RSUs, PSUs and PEPunits converted					(155)			$ 501
Adjustments Related to Tax Withholding for Share-based Compensation					(102)
Other (in shares)								0.0
Other								$ 2	(1)
Share-based compensation expense					125
Other					(4)
Net income attributable to PepsiCo	$ 2,936					2,936
Cash dividends declared - common						(2,113)
Net income attributable to noncontrolling interests	22								22
Balance, end of year, shares at Jun. 11, 2016			1,441.0
Balance, end of period at Jun. 11, 2016	12,376
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock option exercises/RSUs converted, tax benefits	56
Preferred Stock, Shares Issued		0.8								(0.7)
Preferred Stock, Value, Issued		$ 41								$ (188)
Stockholders' Equity Attributable to Parent			$ 24	$ 12,395	3,940	51,295	(12,813)	(30,051)
Stockholders' Equity Attributable to Noncontrolling Interest									128
Preferred Stock, Shares Issued										(0.7)
Preferred Stock, Value, Issued	41									$ (192)
Stockholders' Equity Attributable to Parent	11,246		$ 24		4,091	52,518	(13,919)	$ (31,468)
Stockholders' Equity Attributable to Noncontrolling Interest	104								104
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent							745
Shares issued, beginning of year at Dec. 31, 2016								(438.0)
Shares issued, end of period at Jun. 17, 2017								(440.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemptions, shares										0.0
Redemptions										$ (2)
Balance, beginning of year, shares at Dec. 31, 2016			1,428.0
Balance, beginning of year at Dec. 31, 2016	11,199
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Shares			(2.0)					(8.0)
Stock Repurchased During Period, Value								$ (967)
Stock option exercises, shares								6.0
Stock option exercises, RSUs, PSUs and PEPunits converted					(201)			$ 523
Adjustments Related to Tax Withholding for Share-based Compensation					(122)
Other (in shares)								0.0
Other									(3)
Share-based compensation expense					145
Net income attributable to PepsiCo	3,423					3,423
Cash dividends declared - common						(2,235)
Net income attributable to noncontrolling interests	24								24
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax									1
Balance, end of year, shares at Jun. 17, 2017			1,426.0
Balance, end of period at Jun. 17, 2017	12,530
Preferred Stock, Shares Issued		0.8								(0.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred Stock, Value, Issued	41	$ 41								$ (194)
Stockholders' Equity Attributable to Parent	12,557		$ 24	$ 12,557	$ 3,913	$ 53,706	$ (13,174)	$ (31,912)
Stockholders' Equity Attributable to Noncontrolling Interest	$ 126								$ 126