v3.25.2
Stockholders' Equity (Tables)
 9 Months Ended
Jun. 30, 2025
Stockholders' Equity Note [Abstract]  
Schedule of Stock by Class
As-converted class A common stock. The number of shares outstanding, and the number of shares of class A common stock on an as-converted basis were as follows:
June 30, 2025September 30, 2024
Shares
Outstanding		Conversion Rate Into 
Class A
Common Stock
As-converted Class A
Common
Stock(1)
Shares
Outstanding		Conversion Rate Into
Class A
Common Stock
As-converted Class A
Common
Stock(1)
(in millions, except conversion rate)
Series A preferred stock— 
(2)
100.0000 6 — 
(2)
100.0000 9 
Series B preferred stock2 0.9960 2 2 1.0030 2 
Series C preferred stock3 1.7830 6 3 1.7860 6 
Class A common stock1,702 — 1,702 1,733 — 1,733 
Class B-1 common stock
5 1.5609 
(3)
8 5 1.5653 
(3)
8 
Class B-2 common stock
120 1.5342 
(3)
185 120 1.5430 
(3)
186 
Class C common stock9 4.0000 36 10 4.0000 39 
Total1,945 1,983 
(1)Figures in the table may not recalculate exactly due to rounding. As-converted class A common stock is calculated based on unrounded numbers.
(2)The number of shares outstanding was less than one million.
(3)The class B-1 and class B-2 to class A common stock conversion calculations for dividend payments are based on a conversion rate rounded to the tenth decimal. Conversion rates are presented on a rounded basis.
Schedule of Effect of VE Territory Covered Losses Recovery on the Company Repurchasing its Common Stock The following table presents the reduction in the number of as-converted class B-1 and B-2 common stock after deposits into the U.S. litigation escrow account under the U.S. retrospective responsibility plan:
Nine Months Ended
June 30,
20252024
(in millions, except per share data)
Reduction in equivalent number of class A common stock1 — 
Effective price per share(1)
$346.79 $— 
Deposits into the U.S. litigation escrow account
$375 $— 
(1)Effective price per share for each adjustment is calculated using the volume-weighted average price of the Company’s class A common stock over a pricing period in accordance with the Company’s current certificate of incorporation.
The following table presents the reduction in the number of as-converted series B and C preferred stock after the Company recovered VE territory covered losses through conversion rate adjustments under the Europe retrospective responsibility plan:
Nine Months Ended
June 30, 2025		Nine Months Ended
June 30, 2024
Series BSeries CSeries BSeries C
(in millions, except per share data)
Reduction in equivalent number of class A common stock— 
(1)
— 
(1)
1 — 
(1)
Effective price per share(2)
$312.39 $312.39 $270.07 $269.62 
Recovery through conversion rate adjustment
$5 $3 $161 $20 
(1)The reduction in equivalent number of class A common stock was less than one million shares.
(2)Effective price per share for each adjustment is calculated using the volume-weighted average price of the Company’s class A common stock over a pricing period in accordance with the Company’s current certificates of designations for its series B and C preferred stock.
Schedule of Share Repurchase Program Disclosure
Common stock repurchases. The following table presents share repurchases in the open market:
Three Months Ended
June 30,		Nine Months Ended
June 30,
2025202420252024
(in millions, except per share data)
Shares repurchased in the open market(1)
14 17 40 42 
Average repurchase cost per share(2)
$349.24 $276.75 $330.39 $263.91 
Total cost(2)
$4,828 $4,770 $13,241 $11,163 
(1)Shares repurchased in the open market are retired and constitute authorized but unissued shares.
(2)Figures in the table may not recalculate exactly due to rounding. Average repurchase cost per share and total cost are calculated based on unrounded numbers and include applicable taxes. As of June 30, 2025 and 2024, shares repurchased in the open market include unsettled repurchases of $61 million and $200 million, respectively.