v3.21.2
CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($)
shares in Millions, $ in Millions
Total
Conversion of Series A Preferred Stock Upon Sale Into Public Market
Cumulative Effect, Period of Adoption, Adjustment
Series B Preferred Stock
Series C Preferred Stock
Class A common stock
Preferred Stock
Preferred Stock
Conversion of Series A Preferred Stock Upon Sale Into Public Market
Preferred Stock
Series A Preferred Stock
Preferred Stock
Series A Preferred Stock
Conversion of Series A Preferred Stock Upon Sale Into Public Market
 [1]
Preferred Stock
Series B Preferred Stock
Preferred Stock
Series C Preferred Stock
Common Stock
Class A common stock
Common Stock
Class A common stock
Conversion of Series A Preferred Stock Upon Sale Into Public Market
Common Stock
Class A common stock
Conversion of Class C Common Stock Upon Sale Into Public Market
Common Stock
Class B common stock
Common Stock
Class C common stock
Common Stock
Class C common stock
Conversion of Class C Common Stock Upon Sale Into Public Market
Right to Recover for Covered Losses
Additional Paid-In Capital
Additional Paid-In Capital
Conversion of Series A Preferred Stock Upon Sale Into Public Market
Accumulated Income
Accumulated Income
Cumulative Effect, Period of Adoption, Adjustment
Accumulated Other Comprehensive Income (Loss), Net
Accumulated Other Comprehensive Income (Loss), Net
Cumulative Effect, Period of Adoption, Adjustment
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                                  
Adoption of new accounting standards $ 34,006   $ 392       $ 5,470                       $ (7) $ 16,678   $ 11,318 $ 385 $ 547 $ 7
Beginning Balance (in shares) at Sep. 30, 2018                     2 3 1,768     245 12                
Beginning Balance at Sep. 30, 2018 34,006   392       5,470                       (7) 16,678   11,318 385 547 7
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                                  
Net income 12,080                                         12,080      
Other comprehensive income (loss), net of tax (1,204)                                             (1,204)  
Comprehensive income 10,876                                                
VE territory covered losses incurred (172)                                   (172)            
Recovery through conversion rate adjustment       $ 6 $ 2   (8)                       8            
Issuance of series A preferred stock       0 0                                        
Conversion of stock upon sales into public market (in shares)                             2     (1)              
Share-based compensation, net of forfeitures 407                                     407          
Vesting of restricted stock and performance-based shares (in shares)                         3                        
Restricted stock and performance-based shares settled in cash for taxes (in shares)                         (1)                        
Restricted stock and performance-based shares settled in cash for taxes (111)                                     (111)          
Cash proceeds from issuance of common stock under employee equity plans (in shares)                         2                        
Cash proceeds from issuance of class A common stock under employee equity plans 162                                     162          
Cash dividends declared and paid, at a quarterly amount per Class A share (2,269)                                         (2,269)      
Repurchase of class A common stock (in shares)           (56)             (56)                        
Repurchase of class A common stock (8,607)         $ (8,607)                           (595)   (8,012)      
Ending Balance (in shares) at Sep. 30, 2019                 0   2 3 1,718     245 11                
Ending Balance at Sep. 30, 2019 34,684   0       5,462                       (171) 16,541   13,502 25 (650) (25)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                                  
Adoption of new accounting standards 34,684   0       5,462                       (171) 16,541   13,502 25 (650) $ (25)
Net income 10,866                                         10,866      
Other comprehensive income (loss), net of tax 1,029                                             1,029  
Comprehensive income 11,895                                                
VE territory covered losses incurred (37)                                   (37)            
Recovery through conversion rate adjustment 5     72 92   (164)                       169            
Issuance of series A preferred stock (in shares) [1]                 0                                
Issuance of series A preferred stock (5)     3,084 4,216   (5)                                    
Conversion of stock upon sales into public market (in shares)                   0       3 3     0 [1]              
Conversion of series A preferred stock upon sales into public market   $ 0           $ (207)                         $ 207        
Share-based compensation, net of forfeitures 416                                     416          
Vesting of restricted stock and performance-based shares (in shares)                         3                        
Restricted stock and performance-based shares settled in cash for taxes (in shares)                         (1)                        
Restricted stock and performance-based shares settled in cash for taxes (160)                                     (160)          
Cash proceeds from issuance of common stock under employee equity plans (in shares)                         1                        
Cash proceeds from issuance of class A common stock under employee equity plans 190                                     190          
Cash dividends declared and paid, at a quarterly amount per Class A share (2,664)                                         (2,664)      
Repurchase of class A common stock (in shares)           (44)             (44)                        
Repurchase of class A common stock (8,114)         $ (8,114)                           (473)   (7,641)      
Ending Balance (in shares) at Sep. 30, 2020                 0 [1]   2 3 1,683     245 11                
Ending Balance at Sep. 30, 2020 36,210   3       5,086       $ 1,106 $ 1,543             (39) 16,721   14,088 3 354  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                                  
Adoption of new accounting standards 36,210   $ 3       5,086       1,106 1,543             (39) 16,721   14,088 $ 3 354  
Net income 12,311                                         12,311      
Other comprehensive income (loss), net of tax 82                                             82  
Comprehensive income 12,393                                                
VE territory covered losses incurred (147)                   0 0             (147)            
Recovery through conversion rate adjustment (2)     35 20   (55)       $ 35 $ 20             53            
Issuance of series A preferred stock       $ 0 $ 0                                        
Conversion of stock upon sales into public market (in shares)                   0       28 2     (1)              
Conversion of series A preferred stock upon sales into public market   $ 0           $ (1,951)                         $ 1,951        
Share-based compensation, net of forfeitures 542                                     542          
Vesting of restricted stock and performance-based shares (in shares)                         3                        
Restricted stock and performance-based shares settled in cash for taxes (in shares)                         (1)                        
Restricted stock and performance-based shares settled in cash for taxes (144)                                     (144)          
Cash proceeds from issuance of common stock under employee equity plans (in shares)                         2                        
Cash proceeds from issuance of class A common stock under employee equity plans 208                                     208          
Cash dividends declared and paid, at a quarterly amount per Class A share (2,798)                                         (2,798)      
Repurchase of class A common stock (in shares)           (40)             (40)                        
Repurchase of class A common stock (8,676)         $ (8,676)                           (423)   (8,253)      
Ending Balance (in shares) at Sep. 30, 2021                 0 [1]   2 3 1,677     245 10                
Ending Balance at Sep. 30, 2021 37,589           3,080       $ 1,071 $ 1,523             (133) 18,855   15,351   436  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                                  
Adoption of new accounting standards $ 37,589           $ 3,080       $ 1,071 $ 1,523             $ (133) $ 18,855   $ 15,351   $ 436  
[1] Increase, decrease or balance is less than one million shares.