Summary of Significant Accounting Policies (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended										4 Months Ended				12 Months Ended
	Sep. 07, 2013		Jun. 15, 2013		Mar. 23, 2013		Sep. 08, 2012	Jun. 16, 2012	Mar. 24, 2012		Dec. 28, 2013		Dec. 29, 2012		Dec. 28, 2013 Months weeks		Dec. 29, 2012		Dec. 31, 2011
Fiscal Period Adjustment [Line Items]
Week added as a result of the fiscal year ending on the last Saturday in December															53
Frequency of adding a week as a result of the fiscal year ending on the last Saturday in December															five or six
Number of weeks in each of the first three quarters of each fiscal year															12
Number of weeks in the fourth quarter of each fiscal year with 52 weeks															16
Number of weeks in the fourth quarter of each fiscal year with 53 weeks															17
Fiscal period months standard first quarter															2
Fiscal period months standard second and third quarters															3
Fiscal period months standard fourth quarter															4
Number of periods in advance that YRI closes their books															1
Total revenues	$ 3,466		$ 2,904		$ 2,535		$ 3,569	$ 3,168	$ 2,743		$ 4,179		$ 4,153		$ 13,084		$ 13,633		$ 12,626
Restaurant profit	531		310		333		599	423	440		509		519		1,683		1,981
Operating Profit	350	[1]	390	[1]	487	[1]	671	473	645	[2]	571	[1]	505	[2]	1,798	[1]	2,294	[2]	1,815
53rd Week Impact
Fiscal Period Adjustment [Line Items]
Total revenues																			91
Restaurant profit																			15
Operating Profit																			$ 25

[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 for further discussion.

[2] b)Includes a non-cash gain recognized upon acquisition of Little Sheep of $74 million in the first quarter, refranchising losses associated with the Pizza Hut UK dine-in business of $24 million and $46 million in the first and fourth quarters, respectively, net U.S. refranchising gains of $45 million and $69 million in the first and fourth quarters, respectively and a pension settlement charge of $84 million in the fourth quarter. See Note 4 for further discussion. (c)Includes an after-tax charge of $75 million in the fourth quarter related to the repurchase of Senior Unsecured Notes. See Note 4 for further discussion.