v2.4.0.8
Segment Reporting Reconciliation of Sales and Operating Data (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Sales and Operating Data from Segment to Consolidated [Line Items]        
Net sales $ 4,451 $ 4,240 $ 8,727 $ 8,264
Depreciation and Amortization 146 132 291 263
Adjusted Operating Income 547 513 1,030 944
Operating income 488 483 947 880
Equity income, net of tax 10 10 18 18
Net income attributable to noncontrolling interest 24 22 45 44
Operating Segments [Member] | Electrical / Electronic Architecture
        
Sales and Operating Data from Segment to Consolidated [Line Items]        
Net sales 2,165 2,044 4,276 3,965
Depreciation and Amortization 65 59 129 113
Adjusted Operating Income 298 266 571 497
Operating income 283 254 541 472
Equity income, net of tax 4 4 10 7
Net income attributable to noncontrolling interest 10 10 17 20
Operating Segments [Member] | Powertrain Systems
        
Sales and Operating Data from Segment to Consolidated [Line Items]        
Net sales 1,198 1,161 2,302 2,268
Depreciation and Amortization 48 44 99 92
Adjusted Operating Income 142 146 257 260
Operating income 105 142 218 248
Equity income, net of tax 0 3 2 3
Net income attributable to noncontrolling interest 9 8 18 16
Operating Segments [Member] | Electronics And Safety
        
Sales and Operating Data from Segment to Consolidated [Line Items]        
Net sales 753 725 1,483 1,418
Depreciation and Amortization 21 18 40 36
Adjusted Operating Income 89 89 172 161
Operating income 84 75 161 136
Equity income, net of tax 0 0 0 0
Net income attributable to noncontrolling interest 0 0 0 0
Operating Segments [Member] | Thermal Systems
        
Sales and Operating Data from Segment to Consolidated [Line Items]        
Net sales 397 373 786 733
Depreciation and Amortization 12 11 23 22
Adjusted Operating Income 18 12 30 26
Operating income 16 12 27 24
Equity income, net of tax 7 3 9 8
Net income attributable to noncontrolling interest 5 4 10 8
Intersegment Eliminations [Member] | Eliminations And Other [Member]
        
Sales and Operating Data from Segment to Consolidated [Line Items]        
Net sales (62) [1] (63) [1] (120) [1] (120) [1]
Depreciation and Amortization 0 [1] 0 [1] 0 [1] 0 [1]
Adjusted Operating Income 0 [1] 0 [1] 0 [1] 0 [1]
Operating income 0 [1] 0 [1] 0 [1] 0 [1]
Equity income, net of tax (1) [1] 0 [1] (3) [1] 0 [1]
Net income attributable to noncontrolling interest $ 0 [1] $ 0 [1] $ 0 [1] $ 0 [1]
[1] Eliminations and Other includes the elimination of inter-segment transactions.