Supplemental Guarantor And Non-Guarantor Condensed Consolidating Financial Statements Statement of Operations (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Net sales $ 3,797 $ 3,897
Cost of sales 3,056 3,164
Selling, general and administrative 255 248
Amortization 24 24
Restructuring 16 21
Total operating expenses 3,351 3,457
Operating income 446 440
Interest expense (32) (35)
Other income (expense), net (54) (17)
Income from continuing operations before income taxes and equity income 360 388
Income tax expense (61) (69)
Income from continuing operations before equity income 299 319
Equity income, net of tax 5 7
Equity in net income (loss) of subsidiaries 0 0
Income from continuing operations 304 326
Income (loss) from discontinued operations, net of tax (75) 15
Net income 229 341
Net income attributable to noncontrolling interest 20 21
Net income attributable to Delphi 209 320
Reportable Legal Entities | Parent    
Net sales 0 0
Cost of sales 0 0
Selling, general and administrative (18) 5
Amortization 0 0
Restructuring 0 0
Total operating expenses (18) 5
Operating income 18 (5)
Interest expense (20) (4)
Other income (expense), net 0 0
Income from continuing operations before income taxes and equity income (2) (9)
Income tax expense 0 0
Income from continuing operations before equity income (2) (9)
Equity income, net of tax 0 0
Equity in net income (loss) of subsidiaries 211 329
Income from continuing operations 209 320
Income (loss) from discontinued operations, net of tax 0 0
Net income 209 320
Net income attributable to noncontrolling interest 0 0
Net income attributable to Delphi 209 320
Reportable Legal Entities | Subsidiary Guarantors    
Net sales 0 0
Cost of sales 0 0
Selling, general and administrative 0 0
Amortization 0 0
Restructuring 0 0
Total operating expenses 0 0
Operating income 0 0
Interest expense (6) (6)
Other income (expense), net 15 15
Income from continuing operations before income taxes and equity income 9 9
Income tax expense 0 0
Income from continuing operations before equity income 9 9
Equity income, net of tax 0 0
Equity in net income (loss) of subsidiaries 202 320
Income from continuing operations 211 329
Income (loss) from discontinued operations, net of tax 0 0
Net income 211 329
Net income attributable to noncontrolling interest 0 0
Net income attributable to Delphi 211 329
Reportable Legal Entities | Subsidiary Issuer/Guarantor    
Net sales 0 0
Cost of sales 0 0
Selling, general and administrative 0 0
Amortization 0 0
Restructuring 0 0
Total operating expenses 0 0
Operating income 0 0
Interest expense (45) (47)
Other income (expense), net (26) (19)
Income from continuing operations before income taxes and equity income (71) (66)
Income tax expense 26 24
Income from continuing operations before equity income (45) (42)
Equity income, net of tax 0 0
Equity in net income (loss) of subsidiaries 79 70
Income from continuing operations 34 28
Income (loss) from discontinued operations, net of tax 0 0
Net income 34 28
Net income attributable to noncontrolling interest 0 0
Net income attributable to Delphi 34 28
Reportable Legal Entities | Non-Guarantor Subsidiaries    
Net sales 3,797 3,897
Cost of sales 3,056 3,164
Selling, general and administrative 273 243
Amortization 24 24
Restructuring 16 21
Total operating expenses 3,369 3,452
Operating income 428 445
Interest expense (30) (18)
Other income (expense), net 26 27
Income from continuing operations before income taxes and equity income 424 454
Income tax expense (87) (93)
Income from continuing operations before equity income 337 361
Equity income, net of tax 5 7
Equity in net income (loss) of subsidiaries 0 0
Income from continuing operations 342 368
Income (loss) from discontinued operations, net of tax (75) 15
Net income 267 383
Net income attributable to noncontrolling interest 20 21
Net income attributable to Delphi 247 362
Eliminations    
Net sales 0 0
Cost of sales 0 0
Selling, general and administrative 0 0
Amortization 0 0
Restructuring 0 0
Total operating expenses 0 0
Operating income 0 0
Interest expense 69 40
Other income (expense), net (69) (40)
Income from continuing operations before income taxes and equity income 0 0
Income tax expense 0 0
Income from continuing operations before equity income 0 0
Equity income, net of tax 0 0
Equity in net income (loss) of subsidiaries (492) (719)
Income from continuing operations (492) (719)
Income (loss) from discontinued operations, net of tax 0 0
Net income (492) (719)
Net income attributable to noncontrolling interest 0 0
Net income attributable to Delphi $ (492) $ (719)