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Business Segment and Geographic Region Information Business Segment and Geographic Region Information (Details 1) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Segment Reporting Information [Line Items]      
Total assets $ 31,031 $ 33,529 $ 35,491
Goodwill 13,479 13,893 14,495
Other intangible assets 6,014 6,556 7,186
Capital expenditures for property, plant and equipment 506 632 614
Depreciation of property, plant and equipment 479 514 516
Electrical Products [Member]      
Segment Reporting Information [Line Items]      
Total assets 2,538 3,012 3,204
Goodwill 6,642 6,940 7,189
Capital expenditures for property, plant and equipment 137 170 152
Depreciation of property, plant and equipment 137 148 151
Electrical Systems and Services [Member]      
Segment Reporting Information [Line Items]      
Total assets 2,285 2,512 2,683
Goodwill 4,279 4,314 4,517
Capital expenditures for property, plant and equipment 94 147 113
Depreciation of property, plant and equipment 82 90 86
Hydraulics [Member]      
Segment Reporting Information [Line Items]      
Total assets 1,138 1,315 1,362
Goodwill 1,259 1,327 1,385
Capital expenditures for property, plant and equipment 61 79 80
Depreciation of property, plant and equipment 67 67 65
Aerospace [Member]      
Segment Reporting Information [Line Items]      
Total assets 841 832 852
Goodwill 956 962 1,048
Capital expenditures for property, plant and equipment 33 28 29
Depreciation of property, plant and equipment 28 28 27
Vehicle [Member]      
Segment Reporting Information [Line Items]      
Total assets 1,579 1,668 1,716
Goodwill 343 350 356
Capital expenditures for property, plant and equipment 119 160 161
Depreciation of property, plant and equipment 113 130 133
All Segments [Member]      
Segment Reporting Information [Line Items]      
Total assets 8,381 9,339 9,817
Capital expenditures for property, plant and equipment 444 584 535
Depreciation of property, plant and equipment 427 463 462
Corporate [Member]      
Segment Reporting Information [Line Items]      
Total assets 3,157 3,741 3,993
Capital expenditures for property, plant and equipment 62 48 79
Depreciation of property, plant and equipment $ 52 $ 51 $ 54