Pro forma information presents the results of operations of Dana (Detail) (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Net income
As reported	$ 112	$ 47	$ 157	$ 27
Net income attributable to the parent company
As reported	110	46	148	24
Net income available to common stockholders
As reported	102	38	125
Net income per share - Basic
As reported	$ 0.69	$ 0.27	$ 0.85
Net income per share - Diluted
As reported	$ 0.51	$ 0.22	$ 0.69
Dongfeng Dana Axle Co., Ltd.
Net income
As reported			157	27
Pro forma			162	34
Net income attributable to the parent company
As reported			148	24
Pro forma			153	31
Net income available to common stockholders
As reported			125
Pro forma			$ 130	$ 7
Net income per share - Basic
As reported			$ 0.85
Pro forma			$ 0.89	$ 0.05
Net income per share - Diluted
As reported			$ 0.69
Pro forma			$ 0.71	$ 0.05