v3.2.0.727
Segment Reporting Reconciliation of Sales and Operating Data (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Sales and Operating Data from Segment to Consolidated [Line Items]        
Net sales $ 3,858 $ 4,062 $ 7,655 $ 7,959
Depreciation and Amortization 135 135 263 269
Adjusted Operating Income 526 520 998 983
Operating income 481 462 927 902
Equity income, net of tax 0 3 5 10
Net income attributable to noncontrolling interest 19 19 35 35
Operating Segments | Electrical / Electronic Architecture        
Sales and Operating Data from Segment to Consolidated [Line Items]        
Net sales 2,044 2,165 4,122 4,276
Depreciation and Amortization 69 66 135 130
Adjusted Operating Income 292 294 556 563
Operating income 267 278 520 532
Equity income, net of tax 1 4 5 10
Net income attributable to noncontrolling interest 9 10 17 17
Operating Segments | Powertrain Systems        
Sales and Operating Data from Segment to Consolidated [Line Items]        
Net sales 1,143 1,188 2,224 2,285
Depreciation and Amortization 45 48 89 99
Adjusted Operating Income 146 138 275 251
Operating income 135 101 256 212
Equity income, net of tax (1) (1) 0 0
Net income attributable to noncontrolling interest 10 9 18 18
Operating Segments | Electronics And Safety        
Sales and Operating Data from Segment to Consolidated [Line Items]        
Net sales 713 760 1,395 1,497
Depreciation and Amortization 21 21 39 40
Adjusted Operating Income 88 88 167 169
Operating income 79 83 151 158
Equity income, net of tax 0 0 0 0
Net income attributable to noncontrolling interest 0 0 0 0
Intersegment Eliminations | Eliminations And Other        
Sales and Operating Data from Segment to Consolidated [Line Items]        
Net sales [1] (42) (51) (86) (99)
Depreciation and Amortization [1] 0 0 0 0
Adjusted Operating Income [1] 0 0 0 0
Operating income [1] 0 0 0 0
Equity income, net of tax [1] 0 0 0 0
Net income attributable to noncontrolling interest [1] $ 0 $ 0 $ 0 $ 0
[1] Eliminations and Other includes the elimination of inter-segment transactions.