Reportable Operating Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended									4 Months Ended				12 Months Ended
	Sep. 06, 2014	Jun. 14, 2014	Mar. 22, 2014	Sep. 07, 2013		Jun. 15, 2013		Mar. 23, 2013		Dec. 27, 2014		Dec. 28, 2013		Dec. 27, 2014		Dec. 28, 2013		Dec. 29, 2012
Segment Reporting Information [Line Items]
Total revenues	$ 3,354	$ 3,204	$ 2,724	$ 3,466		$ 2,904		$ 2,535		$ 3,997		$ 4,179		$ 13,279		$ 13,084		$ 13,633
Operating Profit	550	479	571	350	[1]	390	[1]	487	[1]	(43)	[2]	571	[1]	1,557	[2]	1,798	[1]	2,294
Occupancy and other operating expenses														3,425		3,333		3,358
Closures and impairment (income) expenses														535		331		37
Other (income) expense														(41)		(16)		(115)
Refranchising (gain) loss														(33)		(100)		(78)
Interest expense, net														130	[3]	247	[3],[4]	149	[3]
Income Before Income Taxes														1,427		1,551		2,145
Depreciation and amortization														739		721		665
Capital Spending														1,033		1,049		1,099
Identifiable Assets										8,345		8,695		8,345		8,695
Long Lived Assets										5,516	[5]	5,986	[5]	5,516	[5]	5,986	[5]
Equity income from investments in unconsolidated affiliates														30		26		47
Pension settlement charges														6		30
Gain upon acquisition of Little Sheep														0		0		74	[6]
Goodwill impairment loss														160		222
Investments in unconsolidated affiliates										52		53		52		53
Interest Expense												118
Little Sheep [Member]
Segment Reporting Information [Line Items]
Gain upon acquisition of Little Sheep																		(74)
Goodwill impairment loss										160		222		160		222
Pizza Hut | UK
Segment Reporting Information [Line Items]
Refranchising (gain) loss																		(70)
U.S.
Segment Reporting Information [Line Items]
Total revenues														2,959		2,953		3,352
Identifiable Assets										1,952		2,061		1,952		2,061
China
Segment Reporting Information [Line Items]
Total revenues														6,934		6,905		6,898
Operating Profit														713	[7]	777	[7]	1,015	[7]
Closures and impairment (income) expenses														54		30		9
Refranchising (gain) loss														(17)		(5)		(17)
Depreciation and amortization														411		394		337
Capital Spending														525		568		655
Identifiable Assets										3,208	[8]	3,720	[8]	3,208	[8]	3,720	[8]
Long Lived Assets										2,217	[5]	2,667	[5]	2,217	[5]	2,667	[5]
Equity income from investments in unconsolidated affiliates														30		26		47
Goodwill impairment loss														160		222	[9]
Number of unconsolidated affiliates										4				4
Investments in unconsolidated affiliates										52		53		52		53		72
KFC Division
Segment Reporting Information [Line Items]
Total revenues														3,193	[10]	3,036	[10]	3,014	[10]
Operating Profit														708		649		626
Closures and impairment (income) expenses														9		3		12
Refranchising (gain) loss														(18)		(8)		(3)
Depreciation and amortization														187		190		161
Capital Spending														273		294		259
Identifiable Assets										2,331	[11]	2,452	[11]	2,331	[11]	2,452	[11]
Long Lived Assets										1,823	[5]	1,930	[5]	1,823	[5]	1,930	[5]
Pizza Hut Division
Segment Reporting Information [Line Items]
Total revenues														1,148	[10]	1,147	[10]	1,510	[10]
Operating Profit														295		339		320
Closures and impairment (income) expenses														5		0		12
Refranchising (gain) loss														4		(3)		53
Depreciation and amortization														39		36		55
Capital Spending														62		52		52
Identifiable Assets										711	[11]	703	[11]	711	[11]	703	[11]
Long Lived Assets										433	[5]	424	[5]	433	[5]	424	[5]
Pizza Hut Division | UK
Segment Reporting Information [Line Items]
Depreciation reduction from the impairment of restaurants we offered to sell																		13
Taco Bell Division
Segment Reporting Information [Line Items]
Total revenues														1,863	[10]	1,869	[10]	2,109	[10]
Operating Profit														480		456		435
Closures and impairment (income) expenses														3		1		4
Refranchising (gain) loss														(4)		(84)		(111)
Depreciation and amortization														83		84		98
Capital Spending														143		100		113
Identifiable Assets										1,084	[11]	1,017	[11]	1,084	[11]	1,017	[11]
Long Lived Assets										920	[5]	847	[5]	920	[5]	847	[5]
India
Segment Reporting Information [Line Items]
Total revenues														141		127		102
Operating Profit														(9)		(15)		(1)
Closures and impairment (income) expenses														1		2		0
Refranchising (gain) loss														2		0		0
Depreciation and amortization														10		9		6
Capital Spending														21		31		18
Identifiable Assets										118		99		118		99
Long Lived Assets										72	[5]	66	[5]	72	[5]	66	[5]
Goodwill impairment loss														0		0
Unallocated amounts to segment [Member]
Segment Reporting Information [Line Items]
Occupancy and other operating expenses														1	[3]	0	[3]	(16)	[12],[3]
Corporate expenses														(189)	[3]	(207)	[13],[3]	(271)	[13],[3]
Closures and impairment (income) expenses														463	[14],[3]	295	[14],[3]	0	[3]
Other (income) expense														10	[3]	6	[3]	(76)	[15],[3]
Refranchising (gain) loss														33	[16],[3]	100	[16],[3]	78	[16],[3]
Depreciation and amortization														9		8		8	[12]
Capital Spending														9		4		2
Identifiable Assets										893	[11],[17]	704	[11],[17]	893	[11],[17]	704	[11],[17]
Long Lived Assets										51	[5]	52	[5]	51	[5]	52	[5]
Pension settlement charges														22		87
Fair Value, Inputs, Level 2 [Member] | Non-recurring basis | Segment Reconciling Items [Member] | Little Sheep [Member]
Segment Reporting Information [Line Items]
Gain upon acquisition of Little Sheep																		$ 74

[1] Includes a non-cash charge of $295 million in the third quarter related primarily to the impairment of Little Sheep intangible assets and net U.S. refranchising gains of $17 million, $28 million, $37 million and $9 million in the first, second, third and fourth quarters, respectively. See Note 4.

[2] Includes a non-cash charge of $463 million in the fourth quarter related primarily to the impairment of Little Sheep intangible assets. See Note 4.

[3] Amounts have not been allocated to any segment for performance reporting purposes.

[4] 2013 includes $118 million of premiums and other costs related to the extinguishment of debt. See Note 4.

[5] Includes property, plant and equipment, net, goodwill, and intangible assets, net.

[6] See Note 4.

[7] Includes equity income from investments in unconsolidated affiliates of $30 million, $26 million and $47 million in 2014, 2013 and 2012, respectively.

[8] China includes investments in 4 unconsolidated affiliates totaling $52 million, $53 million and $72 million for 2014, 2013 and 2012, respectively.

[9] 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.

[10] U.S. revenues included in the combined KFC, Pizza Hut and Taco Bell Divisions totaled $2,959 million, $2,953 million and $3,352 million in 2014, 2013 and 2012, respectively.

[11] U.S. identifiable assets included in the combined Corporate and KFC, Pizza Hut and Taco Bell Divisions totaled $1,952 million and $2,061 million in 2014 and 2013, respectively.

[12] 2012 includes depreciation reductions arising from the impairments of Pizza Hut UK restaurants we later sold in 2012 of $13 million. See Note 4.

[13] 2013 and 2012 include pension settlement charges of $22 million and $87 million, respectively.

[14] Represents 2014 and 2013 impairment losses related to Little Sheep. See Note 4.

[15] 2012 includes gain upon acquisition of Little Sheep of $74 million. See Note 4.

[16] In 2014, 2013 and 2012, we recorded pre-tax refranchising gains of $6 million, $91 million and $122 million, respectively, in the U.S. The gains in 2013 and 2012 were primarily due to gains on sales of Taco Bell restaurants.

[17] Primarily includes cash, deferred tax assets and property, plant and equipment, net, related to our office facilities.