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Goodwill and Other Intangible Assets - Goodwill (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) reporting_unit	Mar. 31, 2020 USD ($) reporting_unit	Dec. 31, 2020 USD ($)
Goodwill [Line Items]
Number of reporting units with goodwill \| reporting_unit		2
Goodwill [Roll Forward]
Gross carrying amount at beginning of period	$ 1,254
Foreign exchange	3	$ (3)
Gross carrying amount at end of period	1,251
Accumulated impairment loss, beginning balance	(746)
Impairment		$ (267)
Accumulated impairment loss, ending balance	(743)
Net carrying value at March 31, 2021	$ 508		$ 508
Motorparts
Goodwill [Line Items]
Number of reporting units with goodwill \| reporting_unit	1	1
Goodwill [Roll Forward]
Gross carrying amount at beginning of period	$ 623
Foreign exchange	0	$ 0
Gross carrying amount at end of period	623
Accumulated impairment loss, beginning balance	(310)
Impairment		$ (70)
Accumulated impairment loss, ending balance	(310)
Net carrying value at March 31, 2021	$ 313
Performance Solutions
Goodwill [Line Items]
Number of reporting units with goodwill \| reporting_unit	2	1
Goodwill [Roll Forward]
Gross carrying amount at beginning of period	$ 549
Foreign exchange	3	$ (3)
Gross carrying amount at end of period	546
Accumulated impairment loss, beginning balance	(377)
Impairment		(156)
Accumulated impairment loss, ending balance	(374)
Net carrying value at March 31, 2021	$ 172
Clean Air
Goodwill [Line Items]
Number of reporting units with goodwill \| reporting_unit	3
Goodwill [Roll Forward]
Gross carrying amount at beginning of period	$ 23
Foreign exchange	0	$ 0
Gross carrying amount at end of period	23
Accumulated impairment loss, beginning balance	0
Accumulated impairment loss, ending balance	0
Net carrying value at March 31, 2021	23
Powertrain
Goodwill [Line Items]
Number of reporting units with goodwill \| reporting_unit		1
Goodwill [Roll Forward]
Gross carrying amount at beginning of period	59
Foreign exchange	0	$ 0
Gross carrying amount at end of period	59
Accumulated impairment loss, beginning balance	(59)
Impairment		$ (41)
Accumulated impairment loss, ending balance	(59)
Net carrying value at March 31, 2021	$ 0
Greater than 25% \| Motorparts
Goodwill [Line Items]
Number of reporting units with goodwill \| reporting_unit	1
Goodwill for reporting units where fair value exceeds carrying value	$ 313
Greater than 25% \| Performance Solutions
Goodwill [Line Items]
Number of reporting units with goodwill \| reporting_unit	1
Goodwill for reporting units where fair value exceeds carrying value	$ 7
Greater than 25% \| Clean Air
Goodwill [Line Items]
Number of reporting units with goodwill \| reporting_unit	3
Goodwill for reporting units where fair value exceeds carrying value	$ 23
Less than 25% \| Motorparts
Goodwill [Line Items]
Number of reporting units with goodwill \| reporting_unit	0
Goodwill for reporting units where fair value exceeds carrying value	$ 0
Less than 25% \| Performance Solutions
Goodwill [Line Items]
Number of reporting units with goodwill \| reporting_unit	1
Goodwill for reporting units where fair value exceeds carrying value	$ 165
Less than 25% \| Clean Air
Goodwill [Line Items]
Number of reporting units with goodwill \| reporting_unit	0
Goodwill for reporting units where fair value exceeds carrying value	$ 0