Annual report pursuant to Section 13 and 15(d)

Capital Stock Share Repurchase Program (Details)

v3.10.0.1
Capital Stock Share Repurchase Program (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 1 Months Ended 12 Months Ended
Nov. 07, 2018
Sep. 30, 2018
Sep. 24, 2017
Sep. 25, 2016
Jul. 26, 2018
May 09, 2018
Share Repurchase Program [Line Items]            
Authorized Amount         $ 30,000.0  
Payments for stock repurchases   $ 22,580.0 $ 1,342.0 $ 3,923.0    
Stock repurchased and retired during the period, shares   279.0 23.0 73.0    
Stock repurchased and retired during the period, value   $ 22,580.0 $ 1,342.0 $ 3,923.0    
Stock repurchase program, accounting treatment   To reflect share repurchases in the consolidated balance sheet, we (i) reduce common stock for the par value of the shares, (ii) reduce paid-in capital for the amount in excess of par to zero during the quarter in which the shares are repurchased and (iii) record the residual amount to retained earnings        
Remaining authorized amount   $ 8,900.0        
$10B stock repurchase program announced May 9, 2018 [Member]            
Share Repurchase Program [Line Items]            
Authorized Amount           $ 10,000.0
Remaining authorized amount         $ 9,000.0  
Modified Dutch Auction Tender Offer [Member]            
Share Repurchase Program [Line Items]            
Payments for stock repurchases   $ 5,100.0        
Stock repurchased and retired during the period, shares   76.2        
Tender offer price paid per share   $ 67.50        
Accelerated Share Repurchase Program [Member]            
Share Repurchase Program [Line Items]            
Payments for stock repurchases   $ 16,000.0        
Stock repurchased and retired during the period, shares   178.4        
Unsettled forward contract indexed to issuers stock classified within stock holders equity   $ 3,200.0        
Stock repurchased and retired during the period, value   $ 12,800.0        
Open Market Repurchases [Member]            
Share Repurchase Program [Line Items]            
Stock repurchased and retired during the period, shares   24.2 22.8 73.8    
Stock repurchased and retired during the period, value   $ 1,400.0 $ 1,300.0 $ 3,900.0    
Subsequent Event [Member]            
Share Repurchase Program [Line Items]            
Stock repurchased and retired during the period, shares 8.5          
Stock repurchased and retired during the period, value $ 542.0