CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) - USD ($) shares in Millions, $ in Millions |
Total |
Conversion of series A preferred stock upon sales into public market |
Conversion of class C common stock upon sales 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 sales into public market
|
Preferred Stock
Series A preferred stock
|
[1] |
Preferred Stock
Series A preferred stock
Conversion of series A preferred stock upon sales 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 sales into public market
|
Common Stock
Class A common stock
Conversion of class C common stock upon sales 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 sales into public market
|
Right to Recover for Covered Losses |
Additional Paid-In Capital |
Additional Paid-In Capital
Conversion of series A preferred stock upon sales into public market
|
Accumulated Income |
Accumulated Income
Cumulative Effect, Period of Adoption, Adjustment
|
Accumulated Other Comprehensive Income (Loss), Net |
| Beginning balance (in shares) at Sep. 30, 2020 |
|
|
|
|
|
|
|
|
|
|
0
|
|
2
|
3
|
1,683
|
|
|
|
245
|
11
|
|
|
|
|
|
|
|
|
| Beginning 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] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Net income |
|
8,727
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8,727
|
|
|
| Other comprehensive income (loss), net of tax |
|
247
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
247
|
| Comprehensive income |
|
8,974
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| VE territory covered losses incurred |
|
(38)
|
|
|
|
|
|
|
|
|
|
|
0
|
0
|
|
|
|
|
|
|
|
|
(38)
|
|
|
|
|
|
| Recovery through conversion rate adjustment |
|
(2)
|
|
|
|
$ 35
|
$ 20
|
|
(55)
|
|
|
|
$ (35)
|
$ (20)
|
|
|
|
|
|
|
|
|
53
|
|
|
|
|
|
| Conversion of stock (for Series A Preferred Stock, less than one million shares) (in shares) |
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
28
|
|
2
|
|
|
(1)
|
|
|
|
|
|
|
|
| Conversion of stock (for Series A Preferred Stock, less than one million shares) |
|
|
$ 0
|
$ 0
|
|
|
|
|
|
$ (1,899)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 1,899
|
|
|
|
| Share-based compensation, net of forfeitures |
|
434
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
434
|
|
|
|
|
| Vesting of restricted stock and performance-based shares (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Vesting of restricted stock and performance-based shares |
|
0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 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 |
|
(142)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(142)
|
|
|
|
|
| Cash proceeds from issuance of class A common stock under employee equity plans (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 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 common stock |
|
(2,102)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(2,102)
|
|
|
| Repurchase of class A common stock (in shares) |
|
|
|
|
|
|
|
(27)
|
|
|
|
|
|
|
(27)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Repurchase of class A common stock |
|
(5,709)
|
|
|
|
|
|
$ (5,709)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(287)
|
|
(5,422)
|
|
|
| Ending balance (in shares) at Jun. 30, 2021 |
|
|
|
|
|
|
|
|
|
|
0
|
|
2
|
3
|
1,689
|
|
|
|
245
|
10
|
|
|
|
|
|
|
|
|
| Ending balance at Jun. 30, 2021 |
|
37,790
|
|
|
|
|
|
|
3,132
|
|
|
|
$ 1,071
|
$ 1,523
|
|
|
|
|
|
|
|
|
(24)
|
18,787
|
|
15,294
|
|
601
|
| Beginning balance (in shares) at Mar. 31, 2021 |
|
|
|
|
|
|
|
|
|
|
0
|
|
2
|
3
|
1,694
|
|
|
|
245
|
11
|
|
|
|
|
|
|
|
|
| Beginning balance at Mar. 31, 2021 |
|
37,696
|
|
|
|
|
|
|
3,347
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(41)
|
18,505
|
|
15,513
|
|
372
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Net income |
|
2,575
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2,575
|
|
|
| Other comprehensive income (loss), net of tax |
|
229
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
229
|
| Comprehensive income |
|
2,804
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| VE territory covered losses incurred |
|
(21)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(21)
|
|
|
|
|
|
| Recovery through conversion rate adjustment |
|
(2)
|
|
|
|
|
|
|
(40)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
38
|
|
|
|
|
|
| Conversion of stock (for Series A Preferred Stock, less than one million shares) (in shares) |
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
3
|
|
2
|
|
|
(1)
|
|
|
|
|
|
|
|
| Conversion of stock (for Series A Preferred Stock, less than one million shares) |
|
|
0
|
0
|
|
|
|
|
|
(175)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
175
|
|
|
|
| Share-based compensation, net of forfeitures |
|
159
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
159
|
|
|
|
|
| Vesting of restricted stock and performance-based shares (in shares) |
[1] |
|
|
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Vesting of restricted stock and performance-based shares |
|
0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Restricted stock and performance-based shares settled in cash for taxes (in shares) |
[1] |
|
|
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Restricted stock and performance-based shares settled in cash for taxes |
|
(2)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(2)
|
|
|
|
|
| Cash proceeds from issuance of class A common stock under employee equity plans (in shares) |
[1] |
|
|
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Cash proceeds from issuance of class A common stock under employee equity plans |
|
54
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
54
|
|
|
|
|
| Cash dividends declared and paid, at a quarterly amount per class A common stock |
|
(698)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(698)
|
|
|
| Repurchase of class A common stock (in shares) |
|
|
|
|
|
|
|
(10)
|
|
|
|
|
|
|
(10)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Repurchase of class A common stock |
|
(2,200)
|
|
|
|
|
|
$ (2,200)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(104)
|
|
(2,096)
|
|
|
| Ending balance (in shares) at Jun. 30, 2021 |
|
|
|
|
|
|
|
|
|
|
0
|
|
2
|
3
|
1,689
|
|
|
|
245
|
10
|
|
|
|
|
|
|
|
|
| Ending balance at Jun. 30, 2021 |
|
37,790
|
|
|
|
|
|
|
3,132
|
|
|
|
$ 1,071
|
$ 1,523
|
|
|
|
|
|
|
|
|
(24)
|
18,787
|
|
15,294
|
|
601
|
| Beginning balance (in shares) at Sep. 30, 2021 |
|
|
|
|
|
|
|
|
|
|
0
|
|
2
|
3
|
1,677
|
|
|
|
245
|
10
|
|
|
|
|
|
|
|
|
| Beginning 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] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Net income |
|
11,017
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
11,017
|
|
|
| Other comprehensive income (loss), net of tax |
|
(1,703)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(1,703)
|
| Comprehensive income |
|
9,314
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| VE territory covered losses incurred |
|
(31)
|
|
|
|
|
|
|
|
|
|
|
0
|
0
|
|
|
|
|
|
|
|
|
(31)
|
|
|
|
|
|
| Recovery through conversion rate adjustment |
|
0
|
|
|
|
$ 135
|
$ 6
|
|
(141)
|
|
|
|
$ (135)
|
$ (6)
|
|
|
|
|
|
|
|
|
141
|
|
|
|
|
|
| Conversion of stock (for Series A Preferred Stock, less than one million shares) (in shares) |
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
1
|
|
1
|
|
|
0
|
[1] |
|
|
|
|
|
|
| Conversion of stock (for Series A Preferred Stock, less than one million shares) |
|
|
0
|
0
|
|
|
|
|
|
(88)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
88
|
|
|
|
| Share-based compensation, net of forfeitures |
|
470
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
470
|
|
|
|
|
| Vesting of restricted stock and performance-based shares (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Vesting of restricted stock and performance-based shares |
|
0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Restricted stock and performance-based shares settled in cash for taxes (in shares) |
[1] |
|
|
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Restricted stock and performance-based shares settled in cash for taxes |
|
(117)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(117)
|
|
|
|
|
| Cash proceeds from issuance of class A common stock under employee equity plans (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Cash proceeds from issuance of class A common stock under employee equity plans |
|
153
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
153
|
|
|
|
|
| Cash dividends declared and paid, at a quarterly amount per class A common stock |
|
(2,409)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(2,409)
|
|
|
| Repurchase of class A common stock (in shares) |
|
|
|
|
|
|
|
(46)
|
|
|
|
|
|
|
(46)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Repurchase of class A common stock |
|
(9,486)
|
|
|
|
|
|
$ (9,486)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(487)
|
|
(8,999)
|
|
|
| Ending balance (in shares) at Jun. 30, 2022 |
|
|
|
|
|
|
|
|
|
|
0
|
|
2
|
3
|
1,637
|
|
|
|
245
|
10
|
|
|
|
|
|
|
|
|
| Ending balance at Jun. 30, 2022 |
|
35,483
|
|
|
|
|
|
|
2,851
|
|
|
|
$ 936
|
$ 1,517
|
|
|
|
|
|
|
|
|
(23)
|
18,962
|
|
14,960
|
|
(1,267)
|
| Beginning balance (in shares) at Mar. 31, 2022 |
|
|
|
|
|
|
|
|
|
|
0
|
|
2
|
3
|
1,648
|
|
|
|
245
|
10
|
|
|
|
|
|
|
|
|
| Beginning balance at Mar. 31, 2022 |
|
35,989
|
|
|
|
|
|
|
2,987
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(120)
|
18,876
|
|
14,651
|
|
(405)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Net income |
|
3,411
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3,411
|
|
|
| Other comprehensive income (loss), net of tax |
|
(862)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(862)
|
| Comprehensive income |
|
2,549
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| VE territory covered losses incurred |
|
(15)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(15)
|
|
|
|
|
|
| Recovery through conversion rate adjustment |
|
0
|
|
|
|
|
|
|
(112)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
112
|
|
|
|
|
|
| Conversion of stock (for Series A Preferred Stock, less than one million shares) (in shares) |
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
0
|
[1] |
1
|
|
|
0
|
[1] |
|
|
|
|
|
|
| Conversion of stock (for Series A Preferred Stock, less than one million shares) |
|
|
$ 0
|
$ 0
|
|
|
|
|
|
$ (24)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 24
|
|
|
|
| Share-based compensation, net of forfeitures |
|
152
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
152
|
|
|
|
|
| Vesting of restricted stock and performance-based shares (in shares) |
[1] |
|
|
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Vesting of restricted stock and performance-based shares |
|
0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Restricted stock and performance-based shares settled in cash for taxes (in shares) |
[1] |
|
|
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Restricted stock and performance-based shares settled in cash for taxes |
|
(1)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(1)
|
|
|
|
|
| Cash proceeds from issuance of class A common stock under employee equity plans (in shares) |
[1] |
|
|
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Cash proceeds from issuance of class A common stock under employee equity plans |
|
40
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
40
|
|
|
|
|
| Cash dividends declared and paid, at a quarterly amount per class A common stock |
|
(798)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(798)
|
|
|
| Repurchase of class A common stock (in shares) |
|
|
|
|
|
|
|
(12)
|
|
|
|
|
|
|
(12)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Repurchase of class A common stock |
|
(2,433)
|
|
|
|
|
|
$ (2,433)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(129)
|
|
(2,304)
|
|
|
| Ending balance (in shares) at Jun. 30, 2022 |
|
|
|
|
|
|
|
|
|
|
0
|
|
2
|
3
|
1,637
|
|
|
|
245
|
10
|
|
|
|
|
|
|
|
|
| Ending balance at Jun. 30, 2022 |
|
$ 35,483
|
|
|
|
|
|
|
$ 2,851
|
|
|
|
$ 936
|
$ 1,517
|
|
|
|
|
|
|
|
|
$ (23)
|
$ 18,962
|
|
$ 14,960
|
|
$ (1,267)
|
|
|