|
CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Millions, except Per Share data, unless otherwise specified |
Mar. 31, 2015
|
Sep. 30, 2014
|
|---|---|---|
| Preferred Stock | ||
| Preferred stock, par value | $ 0.0001 | $ 0.0001 |
| Preferred stock, shares authorized | 25 | 25 |
| Preferred stock, shares issued | 0 | 0 |
| Class A common stock | ||
| Common stock, par value | $ 0.0001 | $ 0.0001 |
| Common stock, shares authorized | 2,001,622 | 2,001,622 |
| Common stock, shares issued | 1,964 | 1,978 |
| Common stock, shares outstanding | 1,964 | 1,978 |
| Class B common stock | ||
| Common stock, par value | $ 0.0001 | $ 0.0001 |
| Common stock, shares authorized | 622 | 622 |
| Common stock, shares issued | 245 | 245 |
| Common stock, shares outstanding | 245 | 245 |
| Class C common stock | ||
| Common stock, par value | $ 0.0001 | $ 0.0001 |
| Common stock, shares authorized | 1,097 | 1,097 |
| Common stock, shares issued | 20 | 22 |
| Common stock, shares outstanding | 20 | 22 |