Franchise and License Fees and Income (Details) - USD ($) $ in Millions	3 Months Ended						4 Months Ended		12 Months Ended
	Sep. 05, 2015	Jun. 13, 2015	Mar. 21, 2015	Sep. 06, 2014	Jun. 14, 2014	Mar. 22, 2014	Dec. 26, 2015	Dec. 27, 2014	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Franchise And License Fees And Income [Abstract]
Initial fees, including renewal fees									$ 88	$ 83	$ 90
Initial franchise fees included in refranchising (gain) loss									(10)	(5)	(13)
Initial fees, net									78	78	77
Continuing fees and rental income									1,882	1,877	1,823
Franchise and license fees and income	$ 459	$ 446	$ 443	$ 463	$ 446	$ 432	$ 612	$ 614	$ 1,960	$ 1,955	$ 1,900