|
Discontinued Operations (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Sep. 30, 2014
|
|
| Discontinued Operations and Disposal Groups [Abstract] | |||||
| Sales | $ 0 | $ 8 | $ 1 | $ 15 | |
| Income (loss) before income taxes | 3 | (4) | 0 | (6) | |
| Benefit from income taxes | 1 | 4 | 1 | 5 | |
| Income (loss) from discontinued operations attributable to Meritor, Inc. | 4 | 0 | 1 | (1) | |
| Discontinued operations, assets | 7 | 7 | 8 | ||
| Discontinued operations, liabilities | $ 13 | $ 13 | $ 21 | ||