Leases (Details) $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($) Years	Dec. 26, 2015 USD ($)	Dec. 27, 2014 USD ($)
Leases [Abstract]
Approximate number of restaurants operated	2,800
Approximate number of restaurants operated on leased land and/or buildings	2,000
Maximum duration of lease commitments from inception for the vast majority of our lease commitments (in years) | Years	20
Capital leases, future minimum commitments [Abstract]
2016	$ 16
2017	16
2018	15
2019	15
2020	14
Thereafter	105
Capital leases, total future minimum commitments	181
Operating leases, future minimum commitments [Abstract]
2016	171
2017	148
2018	128
2019	101
2020	85
Thereafter	571
Operating leases, total future minimum commitments	1,204
Direct financing leases, lease receivables [Abstract]
2016	3
2017	2
2018	2
2019	2
2020	1
Thereafter	5
Direct financing leases, total lease receivables	15
Operating leases, lease receivables [Abstract]
2016	40
2017	36
2018	30
2019	23
2020	20
Thereafter	86
Operating leases, total lease receivables	235
Present value of minimum payments under capital leases	121	$ 134
Unearned income associated with direct financing lease receivables	2
Rental expense
Minimum	213	221	$ 243
Contingent	29	34	37
Total rental expense	242	255	280
Rental income	$ 79	$ 73	$ 83
Approximate number of units leased or subleased to franchisees	700