Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.19.1
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 30, 2018
Mar. 25, 2018
Mar. 31, 2019
Mar. 25, 2018
Sep. 29, 2019
Sep. 30, 2018
Oct. 01, 2018
Income Taxes [Line Items]                
Income tax benefit $ (143)   $ 13 $ 365 $ (5,911)      
Retained earnings $ 3,309     3,309     $ 542 $ 1,382
Effective income tax rate (benefit) 18.00%              
Unrecognized tax benefits $ 228     $ 228     $ 217  
Scenario, Forecast [Member]                
Income Taxes [Line Items]                
Effective income tax rate (benefit)           (6.00%)    
U.S. Tax Cuts and Jobs Act Effective 2018 [Member]                
Income Taxes [Line Items]                
Federal statutory income tax rate 21.00%           25.00%  
Income tax benefit   $ 570            
Accounting Standards Update 2016-16 [Member]                
Income Taxes [Line Items]                
Retained earnings               $ 2,600