Fair Value Measurements - Non-Financial Assets and Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment Charge	$ 77	$ 19	$ 28
Fair Value, Measurements, Nonrecurring | Significant unobservable inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value Prior to Impairment	1,843	29	37
Fair Value	1,135	8	4
Impairment Charge	708	21	33
Fair Value, Measurements, Nonrecurring | Operating Lease Right-of-Use Assets | Significant unobservable inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value Prior to Impairment	717
Fair Value	437
Impairment Charge	280
Fair Value, Measurements, Nonrecurring | Finite-Lived Intangible Assets | Significant unobservable inputs (Level 3) | Trade Name
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value Prior to Impairment	547
Fair Value	367
Impairment Charge	180
Fair Value, Measurements, Nonrecurring | Finite-Lived Intangible Assets | Significant unobservable inputs (Level 3) | Lease Rights
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value Prior to Impairment		3	5
Fair Value		1	1
Impairment Charge		2	4
Fair Value, Measurements, Nonrecurring | Finite-Lived Intangible Assets | Significant unobservable inputs (Level 3) | Customer relationships
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value Prior to Impairment			1
Fair Value			0
Impairment Charge			1
Fair Value, Measurements, Nonrecurring | Goodwill | Significant unobservable inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value Prior to Impairment	474
Fair Value	303
Impairment Charge	171
Fair Value, Measurements, Nonrecurring | Property and Equipment | Significant unobservable inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value Prior to Impairment	105	26	31
Fair Value	28	7	3
Impairment Charge	$ 77	$ 19	$ 28