Goodwill and Intangible Assets (Details 2) (USD $) In Millions, unless otherwise specified	4 Months Ended			12 Months Ended
	Dec. 27, 2014		Dec. 28, 2013	Dec. 27, 2014		Dec. 28, 2013
Definite-lived intangible assets
Gross Carrying Amount	$ 446		$ 461	$ 446		$ 461
Accumulated Amortization	(219)		(202)	(219)		(202)
Definite-lived intangible assets, amortization expense				27		28
Approximate amortization expense for definite-lived intangible assets - 2015	28			28
Approximate amortization expense for definite-lived intangible assets - 2016	27			27
Approximate amortization expense for definite-lived intangible assets - 2017	25			25
Approximate amortization expense for definite-lived intangible assets - 2018	24			24
Approximate amortization expense for definite-lived intangible assets - 2019	23			23
Goodwill impairment loss				160		222
Trademarks/brands [Member]
Indefinite-lived intangible assets
Gross Carrying Amount	91		379	91		379
Franchise contract rights [Member]
Definite-lived intangible assets
Gross Carrying Amount	126		130	126		130
Accumulated Amortization	(92)		(90)	(92)		(90)
Lease tenancy rights [Member]
Definite-lived intangible assets
Gross Carrying Amount	67		71	67		71
Accumulated Amortization	(12)		(12)	(12)		(12)
Favorable operating leases [Member]
Definite-lived intangible assets
Gross Carrying Amount	15		20	15		20
Accumulated Amortization	(9)		(12)	(9)		(12)
Reacquired franchise rights [Member]
Definite-lived intangible assets
Gross Carrying Amount	186		188	186		188
Accumulated Amortization	(81)		(66)	(81)		(66)
Other [Member]
Definite-lived intangible assets
Gross Carrying Amount	52		52	52		52
Accumulated Amortization	(25)		(22)	(25)		(22)
KFC
Definite-lived intangible assets
Goodwill impairment loss				0		0
KFC | Trademarks/brands [Member]
Indefinite-lived intangible assets
Gross Carrying Amount	31		31	31		31
Little Sheep [Member]
Indefinite-lived intangible assets
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	284
Little Sheep [Member] | Trademarks/brands [Member]
Indefinite-lived intangible assets
Gross Carrying Amount	60	[1]	348	60	[1]	348
Little Sheep [Member]
Definite-lived intangible assets
Goodwill impairment loss	160		222	160		222
Indefinite-lived intangible assets
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 284		$ 69

[1] We recorded an impairment charge of $284 million in 2014 to write down the Little Sheep trademark. See Note 4.