Shareholders' Equity And Net Income Per Share Weighted Average Shares Outstanding and Net Income Per Share (Details) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Numerator:    
Income from continuing operations $ 288 $ 310
Income (loss) from discontinued operations (79) 10
Net income attributable to Delphi $ 209 $ 320
Denominator:    
Weighted average number of basic shares outstanding 290,900,000 305,850,000
Dilutive shares related to RSU's 910,000 1,040,000
Weighted average ordinary shares outstanding, including dilutive shares 291,810,000 306,890,000
Basic net income (loss) per share:    
Income from Continuing Operations, per basic share $ 0.99 $ 1.02
Income (loss) from Discontinued Operations, per basic share $ (0.27) $ 0.03
Basic net income per share attributable to Delphi $ 0.72 $ 1.05
Diluted net income (loss) per share:    
Income from Continuing Operations, per diluted share $ 0.99 $ 1.01
Income (loss) from Discontinued Operations, per diluted share $ (0.27) $ 0.03
Diluted net income per share attributable to Delphi $ 0.72 $ 1.04
Antidilutive securities share impact 0.00 0.00