Accumulated Other Comprehensive Loss Attributable to Pepsico (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income/(loss) attributable to PepsiCo		$ 600	$ 2,650	$ 5,542
Currency translation adjustment	[1]	(11,386)	(11,080)	(8,255)
Cash flow hedges, net of tax		83	37	34
Unamortized pension and retiree medical, net of tax (b)	[2]	(2,645)	(2,329)	(2,500)
Unrealized gain on securities, net of tax		64	88	87
Other		(35)	(35)	(35)
Accumulated other comprehensive loss attributable to PepsiCo		(13,919)	(13,319)	(10,669)
Net of taxes decrease to opening balance of accumulated other comprehensive loss attributable to Pepsico		$ 1,280	$ 1,253	$ 1,260

[1] The change from 2014 to 2015 primarily reflects the depreciation of the Russian ruble, Brazilian real and the Canadian dollar.

[2] Net of taxes of $1,280 million in 2016, $1,253 million in 2015 and $1,260 million in 2014.