Quarterly Financial Data (Unaudited) - Additional Information (Details) - Motorparts - USD ($) $ in Millions	3 Months Ended
Dec. 31, 2019	Jun. 30, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prior period reclassification	$ 15	$ 7
Taxes associated with prior period reclassification	$ 5

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration