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Income Tax Expense (Benefit) - Additional Information (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Mar. 29, 2019
Dec. 28, 2018
Sep. 28, 2018
Mar. 30, 2018
Mar. 31, 2017
Mar. 29, 2019
Mar. 30, 2018
Mar. 31, 2017
Jun. 29, 2018
Income Tax Disclosure [Line Items]                  
Provisional income tax expense (benefit) related to remeasurement of deferred tax balances                 $ (65)
Additional income tax expense (benefit) due to remeasurement of deferred tax balances $ 5                
Deferred tax liabilities, projected effective rate at which position will reverse 22.00%         22.00%      
Mandatory deemed repatriation tax liability, provisional amount             $ 1,660   $ 1,570
Increase (decrease) in mandatory deemed repatriation liability $ (105) $ 95 $ (302)            
Reduction in mandatory deemed repatriation liability, utilization of DTA $ (41)   (250)            
Reduction in mandatory deemed repatriation liability, utilization of existing operating losses     $ (52)            
Effective tax rate (22.00%)   28.00% 148.00%   398.00% 106.00%    
Estimate of mandatory deemed repatriation tax liability after refinements $ 1,250 1,360 $ 1,260            
Unrecognized tax benefits excluded 146 $ 135       $ 146      
Income tax expense (benefit) resulting from the utilization of DTA (19)                
Reduction in mandatory deemed repatriation liability, favorable final IRS regulation 64                
Increase (decrease) in unrecognized tax benefits excluded 11                
Foreign income tax expense           279      
Foreign tax credit 95         95      
Income tax expense (benefit) 104     $ (189)   744 $ 1,437    
Valuation allowance, deferred tax asset, increase (decrease), amount           (45)      
Discrete effects related to mandatory deemed repatriation tax 71         107      
Discrete effects related to change in indefinite reinvestment assertion           152      
U.S. Federal statutory rate       28.00%          
Income tax benefit from deductible make-whole premiums and write-off of debt issuance costs       $ 211          
Windfall tax benefits         $ 46     $ 73  
Increase in unrecognized tax benefits           157      
Unrecognized tax benefits 708         708      
Unrecognized tax benefits, income tax penalties and interest accrued $ 120         120      
State and Local Jurisdiction                  
Income Tax Disclosure [Line Items]                  
Income tax expense (benefit)           $ 54      
Maximum                  
Income Tax Disclosure [Line Items]                  
Deferred tax assets, projected effective rate at which position will reverse 29.00%         29.00%      
Minimum                  
Income Tax Disclosure [Line Items]                  
Deferred tax liabilities, projected effective rate at which position will reverse 22.00%         22.00%      
Internal Revenue Service (IRS)                  
Income Tax Disclosure [Line Items]                  
Federal tax related to adjustments for transfer pricing           $ 535      
Internal Revenue Service (IRS) | Tax Year 2008 Through 2009 [Member]                  
Income Tax Disclosure [Line Items]                  
Federal tax, subject to interest           516      
Internal Revenue Service (IRS) | Tax Years 2010 Through 2012 [Member]                  
Income Tax Disclosure [Line Items]                  
Federal tax, subject to interest           $ 549