Schedule of Segment Reporting Information, by Segment [Table Text Block] |
| | Light | | | Commercial | | | | | | | | | |
Three months ended June 30, 2025 | | Vehicle | | | Vehicle | | | Corporate | | | Total | |
External sales | | $ | 1,335 | | | $ | 600 | | | | | | | $ | 1,935 | |
Inter-segment sales | | | 35 | | | | 19 | | | | | | | | 54 | |
| | | 1,370 | | | | 619 | | | | | | | | 1,989 | |
Reconciliation of sales | | | | | | | | | | | | | | | | |
Elimination of inter-segment sales | | | | | | | | | | | | | | | (54 | ) |
Total consolidated sales | | | | | | | | | | | | | | $ | 1,935 | |
Less: | | | | | | | | | | | | | | | | |
Cost of sales | | | 1,218 | | | | 536 | | | | | | | | | |
Selling, general and administrative expenses | | | 42 | | | | 34 | | | | | | | | | |
Other segment items (a) | | | 2 | | | | (2 | ) | | | | | | | | |
Segment EBITDA | | $ | 112 | | | $ | 47 | | | | | | | $ | 159 | |
| | | | | | | | | | | | | | | | |
Purchases of property, plant and equipment | | $ | 30 | | | $ | 4 | | | $ | 3 | | | $ | 37 | |
Segment net assets (b) - June 30, 2025 | | $ | 595 | | | $ | 542 | | | $ | (75 | ) | | $ | 1,062 | |
| | Light | | | Commercial | | | | | | | | | |
Three months ended June 30, 2024 | | Vehicle | | | Vehicle | | | Corporate | | | Total | |
External sales | | $ | 1,401 | | | $ | 646 | | | | | | | $ | 2,047 | |
Inter-segment sales | | | 39 | | | | 23 | | | | | | | | 62 | |
| | | 1,440 | | | | 669 | | | | | | | | 2,109 | |
Reconciliation of sales | | | | | | | | | | | | | | | | |
Elimination of inter-segment sales | | | | | | | | | | | | | | | (62 | ) |
Total consolidated sales | | | | | | | | | | | | | | $ | 2,047 | |
Less: | | | | | | | | | | | | | | | | |
Cost of sales | | | 1,308 | | | | 591 | | | | | | | | | |
Selling, general and administrative expenses | | | 46 | | | | 32 | | | | | | | | | |
Other segment items (a) | | | 4 | | | | (7 | ) | | | | | | | | |
Segment EBITDA | | $ | 90 | | | $ | 39 | | | | | | | $ | 129 | |
| | | | | | | | | | | | | | | | |
Purchases of property, plant and equipment | | $ | 78 | | | $ | 21 | | | $ | 5 | | | $ | 104 | |
Segment net assets (b) - December 31, 2024 | | $ | 463 | | | $ | 426 | | | $ | (72 | ) | | $ | 817 | |
| | Light | | | Commercial | | | | | | | | | |
Six months ended June 30, 2025 | | Vehicle | | | Vehicle | | | Corporate | | | Total | |
External sales | | $ | 2,548 | | | $ | 1,168 | | | | | | | $ | 3,716 | |
Inter-segment sales | | | 71 | | | | 42 | | | | | | | | 113 | |
| | | 2,619 | | | | 1,210 | | | | | | | | 3,829 | |
Reconciliation of sales | | | | | | | | | | | | | | | | |
Elimination of inter-segment sales | | | | | | | | | | | | | | | (113 | ) |
Total consolidated sales | | | | | | | | | | | | | | $ | 3,716 | |
Less: | | | | | | | | | | | | | | | | |
Cost of sales | | | 2,356 | | | | 1,052 | | | | | | | | | |
Selling, general and administrative expenses | | | 85 | | | | 69 | | | | | | | | | |
Other segment items (a) | | | 2 | | | | (1 | ) | | | | | | | | |
Segment EBITDA | | $ | 180 | | | $ | 88 | | | | | | | $ | 268 | |
| | | | | | | | | | | | | | | | |
Purchases of property, plant and equipment | | $ | 79 | | | $ | 16 | | | $ | 9 | | | $ | 104 | |
| | Light | | | Commercial | | | | | | | | | |
Six months ended June 30, 2024 | | Vehicle | | | Vehicle | | | Corporate | | | Total | |
External sales | | $ | 2,763 | | | $ | 1,299 | | | | | | | $ | 4,062 | |
Inter-segment sales | | | 78 | | | | 45 | | | | | | | | 123 | |
| | | 2,841 | | | | 1,344 | | | | | | | | 4,185 | |
Reconciliation of sales | | | | | | | | | | | | | | | | |
Elimination of inter-segment sales | | | | | | | | | | | | | | | (123 | ) |
Total consolidated sales | | | | | | | | | | | | | | $ | 4,062 | |
Less: | | | | | | | | | | | | | | | | |
Cost of sales | | | 2,583 | | | | 1,201 | | | | | | | | | |
Selling, general and administrative expenses | | | 94 | | | | 66 | | | | | | | | | |
Other segment items (a) | | | 4 | | | | (5 | ) | | | | | | | | |
Segment EBITDA | | $ | 168 | | | $ | 72 | | | | | | | $ | 240 | |
| | | | | | | | | | | | | | | | |
Purchases of property, plant and equipment | | $ | 116 | | | $ | 38 | | | $ | 7 | | | $ | 161 | |
|
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] |
| | Three Months Ended | | | Six Months Ended | |
| | June 30, | | | June 30, | |
| | 2025 | | | 2024 | | | 2025 | | | 2024 | |
Segment EBITDA | | $ | 159 | | | $ | 129 | | | $ | 268 | | | $ | 240 | |
Corporate expense and other items, net | | | (12 | ) | | | (19 | ) | | | (28 | ) | | | (40 | ) |
Depreciation | | | (89 | ) | | | (91 | ) | | | (171 | ) | | | (170 | ) |
Amortization | | | (3 | ) | | | (3 | ) | | | (6 | ) | | | (7 | ) |
Non-service cost components of pension and OPEB costs | | | (2 | ) | | | (4 | ) | | | (4 | ) | | | (7 | ) |
Restructuring charges, net | | | (11 | ) | | | (11 | ) | | | (13 | ) | | | (16 | ) |
Stock compensation expense | | | (11 | ) | | | (8 | ) | | | (23 | ) | | | (14 | ) |
Strategic transaction expenses | | | (5 | ) | | | (3 | ) | | | (6 | ) | | | (4 | ) |
Gain (loss) on sale of property, plant and equipment | | | | | | | (1 | ) | | | 1 | | | | (1 | ) |
Supplier capacity charge adjustment | | | | | | | | | | | 19 | | | | | |
Loss on divestiture of ownership interests | | | (7 | ) | | | | | | | (7 | ) | | | | |
Loss on disposal group previously held for sale | | | | | | | (1 | ) | | | | | | | (30 | ) |
Other items | | | (3 | ) | | | (1 | ) | | | (6 | ) | | | (2 | ) |
Earnings (loss) from continuing operations before interest and income taxes | | | 16 | | | | (13 | ) | | | 24 | | | | (51 | ) |
Interest income | | | 3 | | | | 1 | | | | 5 | | | | 4 | |
Interest expense | | | 44 | | | | 40 | | | | 83 | | | | 79 | |
Loss from continuing operations before income taxes | | $ | (25 | ) | | $ | (52 | ) | | $ | (54 | ) | | $ | (126 | ) |
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Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
| | | June 30, | | | | December 31, | |
| | 2025 | | | 2024 | |
Segment net assets | | $ | 1,062 | | | $ | 817 | |
Accounts payable | | | 1,186 | | | | 1,120 | |
Cash and cash equivalents | | | 486 | | | | 494 | |
Accounts receivable - Other | | | 218 | | | | 220 | |
Other current assets | | | 145 | | | | 148 | |
Current assets of disposal group held for sale | | | 1,090 | | | | 904 | |
Intangibles | | | 79 | | | | 80 | |
Deferred tax assets | | | 506 | | | | 514 | |
Other noncurrent assets | | | 92 | | | | 118 | |
Investment in affiliates | | | 98 | | | | 125 | |
Operating lease assets | | | 275 | | | | 258 | |
Property, plant and equipment, net | | | 1,921 | | | | 1,831 | |
Noncurrent assets of disposal group held for sale | | | 981 | | | | 873 | |
Total assets | | $ | 8,139 | | | $ | 7,502 | |
|