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Fair Value Measurements - Schedule of Impaired Long-lived Assets Carrying Value and Fair Value (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Sep. 28, 2019
Sep. 29, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Impairment Charge   $ 6 $ 23 $ 9
Significant unobservable inputs (Level 3) | Nonrecurring        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Carrying Value Prior to Impairment $ 200 11 360 18
Fair Value 96 4 159 7
Impairment Charge 104 7 201 11
Operating Lease Right-of-Use Assets | Significant unobservable inputs (Level 3) | Nonrecurring        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Carrying Value Prior to Impairment 174   306  
Fair Value 81   134  
Impairment Charge 93   172  
Property and Equipment | Significant unobservable inputs (Level 3) | Nonrecurring        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Carrying Value Prior to Impairment 24 9 44 14
Fair Value 14 3 21 5
Impairment Charge 10 6 23 9
Key Money | Significant unobservable inputs (Level 3) | Nonrecurring        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Carrying Value Prior to Impairment     10  
Fair Value     4  
Impairment Charge     $ 6  
Leasing rights | Key Money | Significant unobservable inputs (Level 3) | Nonrecurring        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Carrying Value Prior to Impairment 2 2   4
Fair Value 1 1   2
Impairment Charge $ 1 $ 1   $ 2