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Summary of Significant Accounting Policies (Details 3)
$ in Millions
 12 Months Ended
Dec. 31, 2020
USD ($)
Years
Foreign Currency [Abstract]  
Foreign currency translation adjustment | $ $ 182
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 | Years 2
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
Minimum [Member] | Machinery, Equipment and Other  
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
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
Maximum [Member] | Machinery, Equipment and Other  
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