Restructuring Narrative (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 154	$ 108	$ 328	$ 177	$ 140
Asset Impairment Charges			30	16	7
Cash expenditures for restructuring			255	133
Discontinued Operations | Thermal Systems
Restructuring Cost and Reserve [Line Items]
Restructuring			0	3	4
Powertrain Systems
Restructuring Cost and Reserve [Line Items]
Restructuring			172	115	55
EMEA | Powertrain Systems
Restructuring Cost and Reserve [Line Items]
Restructuring				68
EMEA | Powertrain Systems | Plant Closure
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 88				35
Cost of Sales | Fair Value, Measurements, Nonrecurring
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges			30	$ 16	$ 5
Cost of Sales | Fair Value, Measurements, Nonrecurring | EMEA | Powertrain Systems | Plant Closure
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges			25
Overhead cost reduction
Restructuring Cost and Reserve [Line Items]
Restructuring			103
European footprint rotation | EMEA
Restructuring Cost and Reserve [Line Items]
Restructuring			170
European footprint rotation | EMEA | Powertrain Systems | Plant Closure
Restructuring Cost and Reserve [Line Items]
Restructuring			$ 93
Restructuring and Related Activities, Completion Date			Dec. 31, 2017