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Debt Narrative - Debt Facilities - Automotive (Details) - Automotive Segment [Member] - USD ($) $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2016 | Dec. 31, 2015 | Nov. 25, 2015
Federal-Mogul Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility increase in borrowing capacity | $ 50 |  |
Line of credit facility borrowing capacity | 600 |  |
Line of credit facility amount outstanding | 390 | $ 340 |
Line of credit facility unused borrowing availability | 171 | 170 |
Letters of credit outstanding amount | 39 | 40 |
IEH Auto Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility borrowing capacity | 210 |  | $ 125
Line of credit facility amount outstanding | 95 | 75 |
Line of credit facility unused borrowing availability | 48 |  |
Letters of credit outstanding amount | 3 | $ 3 |
Pep Boys Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility borrowing capacity | 300 |  |
Line of credit facility amount outstanding | 60 |  |
Line of credit facility unused borrowing availability | $ 77 |  |
LIBOR [Member] | Minimum [Member] | Pep Boys Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate spread on variable rate debt | 2.00% |  |
LIBOR [Member] | Maximum [Member] | Pep Boys Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate spread on variable rate debt | 2.50% |  |
Prime Rate [Member] | Minimum [Member] | Pep Boys Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate spread on variable rate debt | 1.00% |  |
Prime Rate [Member] | Maximum [Member] | Pep Boys Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate spread on variable rate debt | 1.50% |  |

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- Definition Fair value of the amount outstanding under the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13476-108611 + Details
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