Summary of Significant Accounting Policies (Details 3) (USD $) In Millions, unless otherwise specified	4 Months Ended	12 Months Ended
	Dec. 27, 2014	Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012
Foreign Currency [Abstract]
Foreign currency translation adjustment	$ 29	$ 29
Direct Marketing Costs [Abstract]
Advertising expenses		589	607	608
Research and Development Expenses [Abstract]
Research and development expenses		30	31	30
Impairment or Disposal of Property, Plant and Equipment [Abstract]
Number of consecutive years of operating losses used as primary indicator of potential impairment for our semi-annual impairment testing of restaurant assets		2 years
Impairment of Investments in Unconsolidated Affiliates [Abstract]
Number of consecutive years of operating losses used as indicator of impairment of investments in unconsolidated affiliates		2 years
Equity Method Investment, Other than Temporary Impairment	5	0	0	0
Income Taxes [Abstract]
Percentage threshold that the positions taken or expected to be taken is more likely than not sustained upon examination by tax authorities (in hundredths)		50.00%
Receivables [Abstract]
Net provisions for uncollectible franchise and license trade receivables included in Franchise and license expenses	3	3	2	(1)
Accounts and notes receivable [Abstract]
Notes, Loans and Financing Receivable, Gross, Current	337	337	330
Allowance for doubtful accounts	(12)	(12)	(11)
Accounts and notes receivable, net	325	325	319
Number of days from the period in which the corresponding sales occur that trade receivables are generally due		30 days
Number of years notes receivable and direct financing leases are due within and would be included in accounts and notes receivable		1 year
Number of years notes receivable and direct financing leases are beyond and would be included in other assets		1 year
Net amounts included in Other Assets	21	21	22
Allowance for doubtful accounts related to notes and direct financing lease receivables	$ 1	$ 1	$ 1
Leases and Leasehold Improvements [Abstract]
Approximate number of restaurants operated on leased land and/or buildings	7,775	7,775
Goodwill and Intangible Assets [Abstract]
Number of years from acquisition that goodwill is written off in its entirety, if a Company restaurant is sold within this period		2 years
Minimum number of years from acquisition that a company restaurant is sold, after which we include goodwill in the carrying amount of the restaurants disposed of based on the relative fair values of the portion of the reporting unit disposed of in the refranchising and the portion of the reporting unit that will be retained		2 years
Minimum [Member] | Buildings and improvements
Property, Plant and Equipment [Line Items]
Estimated useful life used in the calculation of the depreciation and amortization on a straight-line basis (in years)		5 years 0 months 0 days
Minimum [Member] | Machinery and equipment
Property, Plant and Equipment [Line Items]
Estimated useful life used in the calculation of the depreciation and amortization on a straight-line basis (in years)		3 years 0 months 0 days
Minimum [Member] | Capitalized software costs
Property, Plant and Equipment [Line Items]
Estimated useful life used in the calculation of the depreciation and amortization on a straight-line basis (in years)		3 years 0 months 0 days
Maximum [Member] | Buildings and improvements
Property, Plant and Equipment [Line Items]
Estimated useful life used in the calculation of the depreciation and amortization on a straight-line basis (in years)		25 years 0 months 0 days
Maximum [Member] | Machinery and equipment
Property, Plant and Equipment [Line Items]
Estimated useful life used in the calculation of the depreciation and amortization on a straight-line basis (in years)		20 years 0 months 0 days
Maximum [Member] | Capitalized software costs
Property, Plant and Equipment [Line Items]
Estimated useful life used in the calculation of the depreciation and amortization on a straight-line basis (in years)		7 years 0 months 0 days