Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.8.0.1
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Mar. 25, 2018
Dec. 24, 2017
Mar. 26, 2017
Mar. 25, 2018
Mar. 26, 2017
Sep. 30, 2018
Sep. 30, 2018
Sep. 24, 2017
Income Taxes [Line Items]                
Income tax expense (benefit) $ (5)   $ 108 $ 5,922 $ 296      
Current income taxes payable $ 575     575       $ 312
Effective income tax rate (benefit) (1.00%)             18.00%
Tax benefits from foreign income taxed at rates lower than rates in the United States               32.00%
Unrecognized tax benefits $ 347     347       $ 372
Scenario, Forecast [Member]                
Income Taxes [Line Items]                
Effective income tax rate (benefit)             438.00%  
Tax benefits from foreign income taxed at rates lower than rates in the United States             31.00%  
U.S. Tax Cuts and Jobs Act Effective 2018 [Member]                
Income Taxes [Line Items]                
Income tax expense (benefit) (15) $ 5,870            
Toll charge   5,300   5,300        
Impact of remeasurement of U.S. deferred tax assets and liabilities   562   540        
Foreign withholding tax from decision to no longer indefinitely reinvest certain foreign earnings   86   93        
Income taxes payable 3,200     3,200        
Current income taxes payable 251     251        
U.S. Tax Cuts and Jobs Act Effective 2018 [Member] | Scenario, Forecast [Member]                
Income Taxes [Line Items]                
Federal statutory income tax rate           21.00% 25.00%  
Internal Revenue Service (IRS) [Member]                
Income Taxes [Line Items]                
Tax credit carryforward, amount $ 1,100     1,100        
Combined Effect of Certain Components Tax Legislation                
Income Taxes [Line Items]                
Income tax expense (benefit)   $ 5,960   $ 5,950