Items Affecting Comparability of Net Income and Cash Flows (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		4 Months Ended		12 Months Ended
	Sep. 07, 2013	Mar. 24, 2012	Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Dec. 28, 2013		Dec. 29, 2012		Feb. 01, 2012
Facility Actions [Line Items]
Store closure (income) costs(a)					$ 3	$ (5)		$ 8
Business Combination
Payments for acquisitions, net of cash acquired					28	99		543
Gain upon acquisition of Little Sheep					0	0		(74)	[1]
Gain upon acquisition of Little Sheep, Tax				0		0
Redeemable noncontrolling interest				39		39
Goodwill impairment loss					160	222
Equity Method Investment, Other than Temporary Impairment			5		0	0		0
Little Sheep Franchise Revenue Growth					4.00%
Little Sheep Franchise Unit Openings					35
Little Sheep Franchise unit annual closures					25
Extinguishment of Debt, Amount				550
Gains (Losses) on Extinguishment of Debt				(120)	0	120		0
Interest Expense				118
Proceeds from Issuance of Senior Unsecured Long-term Debt				599
Pension settlement charges					(6)	(30)
Facility Actions [Abstract]
Refranchising (gain) loss					(33)	(100)		(78)
Asset Impairment Charges					69	41		29
Closure and impairment (income) expenses					535	331		37
Carrying value of goodwill			700	889	700	889		1,034
Closures and impairment (income) expenses
Facility Actions [Abstract]
Closures and impairment expenses, excluding Little Sheep					72	36
Income Tax Expense (Benefit) [Member]
Business Combination
Impairment effect on tax expense (benefit)					(76)	(18)
Pizza Hut | UK
Divestiture of Business [Abstract]
Percentage impact on Operating Profit						6.00%
Facility Actions [Abstract]
Refranchising (gain) loss								(70)
Goodwill write-off related to sale of business						14
Carrying value of goodwill				87		87
Percentage Impact on Company Sales						39.00%
Percentage impact on Franchise and license fees and income						3.00%
Little Sheep [Member]
Business Combination
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			284
China
Facility Actions [Line Items]
Store closure (income) costs(a)					0	(1)		(4)
Business Combination
Goodwill impairment loss					160	222	[2]
Facility Actions [Abstract]
Refranchising (gain) loss					(17)	(5)		(17)
Asset Impairment Charges					54	31		13
Closure and impairment (income) expenses					54	30		9
Carrying value of goodwill			89	256	89	256		466
Not allocated for performance reporting purposes [Member]
Business Combination
Pension settlement charges						10		84
YRI | LJS and AW
Divestiture of Business [Abstract]
Percentage impact on system sales						1.00%
Percentage impact on Operating Profit						1.00%
YRI | Pizza Hut | UK
Facility Actions [Line Items]
Number of restaurants refranchised						331
India
Facility Actions [Line Items]
Store closure (income) costs(a)					0	0		0
Business Combination
Goodwill impairment loss					0	0
Facility Actions [Abstract]
Refranchising (gain) loss					2	0		0
Asset Impairment Charges					1	2		0
Closure and impairment (income) expenses					1	2		0
Carrying value of goodwill			2	2	2	2		0
KFC Division
Facility Actions [Line Items]
Store closure (income) costs(a)					2	(1)		1
Facility Actions [Abstract]
Refranchising (gain) loss					(18)	(8)		(3)
Asset Impairment Charges					7	4		11
Closure and impairment (income) expenses					9	3		12
Pizza Hut Division
Facility Actions [Line Items]
Store closure (income) costs(a)					1	(3)		10
Deferred franchise royalty incentives								53
Facility Actions [Abstract]
Refranchising (gain) loss					4	(3)		53
Asset Impairment Charges					4	3		2
Closure and impairment (income) expenses					5	0		12
Pizza Hut Division | UK
U.S. Business Transformation [Abstract]
Depreciation reduction from the impairment of restaurants we offered to sell								13
Taco Bell Division
Facility Actions [Line Items]
Store closure (income) costs(a)					0	0		1
Facility Actions [Abstract]
Refranchising (gain) loss					(4)	(84)		(111)
Asset Impairment Charges					3	1		3
Closure and impairment (income) expenses					3	1		4
Little Sheep [Member]
Business Combination
Additional percentage of ownership acquired (in hundredths)										66.00%
Payments for acquisitions, net of cash acquired		540
Cash acquired due to acquisition		44
Current ownership percentage			93.00%		93.00%			27.00%
Equity method investment in Little Sheep										107
Gain upon acquisition of Little Sheep								74
Redeemable noncontrolling interest ownership percentage										7.00%
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure			58		58
Indefinite-Lived Trademarks			342		342					404
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			284	69
Goodwill impairment loss			160	222	160	222
Impairment of Long-Lived Assets Held-for-use			14	4
Equity Method Investment, Other than Temporary Impairment			5
Residual Little Sheep net asset value			100		100
Fair Value Inputs, Discount Rate					13.00%
Fair Value Inputs, Long-term Revenue Growth Rate					4.00%
Fair Value Inputs, Unit Growth					75
Facility Actions [Abstract]
Asset Impairment Charges	295		463	295	463
Little Sheep [Member] | Closures and impairment (income) expenses
Business Combination
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)					284	69
Goodwill impairment loss			160	222
Impairment of Long-Lived Assets Held-for-use					14	4
Equity Method Investment, Other than Temporary Impairment					5
Little Sheep [Member]
Business Combination
Little Sheep PP&E relating to wholly owned seasoning business			30		30
Loss attributable to non-controlling interest resulting from Little Sheep Acquisition and Subsequent Impairment					(26)	(19)		0
Facility Actions [Abstract]
Gain (Loss) from Little Sheep Acquistion and Subsequent Impairment					361	258		(74)
Little Sheep [Member]
Business Combination
Indefinite-Lived Trademarks										400
Facility Actions [Abstract]
Carrying value of goodwill										$ 375

[1] See Note 4.

[2] We recorded impairment charges of $160 million and $222 million in 2014 and 2013, respectively, to write down Little Sheep's goodwill. See Note 4.