| Dec 31, 2011 | Dec 31, 2012 | Dec 31, 2013 | Dec 31, 2014 | Dec 31, 2015 | Dec 31, 2016 | Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Net income (loss) | 143 | 368 | 95 | 143 | 236 | 241 | 338 | -57 | -484 | -561 | 6 | 64 | -34 | 35 |
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| Depreciation and amortization | 139 | 152 | 177 | 200 | 198 | 202 | 429 | 529 | 537 | 522 | 544 | 492 | 487 | 470 |
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| Impairment charge | - | - | - | - | - | - | - | - | 665 | 510 | - | - | - | 12 |
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| Deferred income taxes | -17 | 344 | 19 | 9 | -26 | -33 | 154 | 35 | 95 | 34 | 27 | 30 | 46 | 32 |
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| Stock-based compensation | 5 | 2 | 11 | 10 | 16 | 21 | 43 | 28 | 22 | 19 | 18 | 18 | 13 | 15 |
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| Pensions and other postretirement benefits, net of contributions | -33 | -208 | 7 | 32 | -26 | -13 | -6 | -10 | -9 | -16 | 20 | -12 | -19 | -13 |
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| Loss (gain) on disposal of property, plant and equipment, net | 7 | 2 | 4 | 3 | -4 | -4 | -2 | 3 | -4 | -21 | -6 | 1 | -6 | -6 |
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| Loss on equity securities | - | - | - | - | - | - | - | - | - | - | 24 | -25 | -1 | -0 |
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| Gain on bargain purchase of business | - | - | - | - | - | - | - | - | 11 | - | - | 14 | - | - |
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| Debt refinancing and redemption costs | - | - | - | - | - | - | - | -4 | -8 | -8 | -34 | -6 | -1 | -1 |
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| Accounts receivable | 190 | 131 | 0 | 78 | 18 | 19 | 45 | -56 | -64 | -29 | -23 | 39 | -7 | -70 |
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| Inventories | 50 | 50 | 43 | -11 | -11 | -12 | -2 | 83 | -56 | -54 | 88 | 16 | 13 | -17 |
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| Accounts payable and accrued expenses | 37 | 61 | 66 | 14 | -2 | -14 | -13 | 8 | -98 | -37 | 63 | 61 | 59 | -64 |
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| Deferred revenue | - | - | - | - | - | - | - | - | -18 | 6 | 13 | -17 | -16 | -33 |
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| Other assets and liabilities | 47 | 9 | 71 | 25 | 43 | 70 | -31 | 176 | 108 | 66 | 52 | 91 | 51 | 28 |
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| Net cash provided by operating activities | -56 | -175 | 223 | 318 | 378 | 408 | 647 | 772 | 560 | 455 | 538 | 449 | 396 | 455 |
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| Purchases of property, plant and equipment | 163 | 208 | 252 | 207 | 194 | 223 | 478 | 525 | 433 | 216 | 181 | 171 | 195 | 248 |
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| Proceeds from sale of property, plant and equipment | 9 | 10 | 9 | 9 | 0 | 2 | 3 | 5 | 5 | 2 | 2 | 5 | 1 | 4 |
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| Proceeds from government grants | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 |
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| Purchase buyouts of leases | - | - | - | - | - | 5 | 13 | 1 | 1 | 0 | - | 4 | 2 | 3 |
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| Acquisition of business, net of cash acquired | 17 | - | - | - | - | 6 | 896 | 1 | 9 | - | 5 | 89 | 3 | 7 |
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| Proceeds from sale of equity securities | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
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| Investment in affiliates | - | - | - | - | - | - | - | - | 9 | - | 1 | 0 | 3 | 3 |
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| Proceeds from insurance claim | - | - | - | - | - | - | - | - | - | - | 23 | 17 | 17 | - |
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| Net cash used in investing activities | -184 | -185 | -219 | -195 | -188 | -228 | -1,378 | -478 | -307 | -218 | -161 | -243 | -184 | -255 |
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| Proceeds from Lines of Credit | - | - | - | - | - | - | - | - | - | 350 | - | 25 | - | - |
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| Payments of Revolving Credit Facility | - | - | - | - | - | - | - | - | - | 350 | - | - | 25 | - |
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| Proceeds from issuance of long-term debt | 227 | 563 | 787 | 5 | 17 | 30 | 2,863 | 510 | 356 | 408 | 635 | 248 | 36 | 7 |
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| Payments of long-term debt | 56 | 299 | 652 | 27 | 157 | 7 | 2,154 | 681 | 546 | 611 | 1,018 | 458 | 185 | 155 |
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| Debt issuance costs | 11 | 11 | 17 | 0 | - | - | 91 | 7 | 3 | 11 | 9 | 31 | 3 | 2 |
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| Purchase of treasury stock | 0 | 6 | 0 | 0 | 3 | 5 | 7 | 4 | 8 | 3 | 4 | 2 | 15 | 3 |
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| Finance lease obligations and other | - | - | - | - | - | - | - | - | - | 2 | -5 | 2 | -14 | -3 |
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| Net cash used in financing activities | 167 | 254 | 89 | -21 | -144 | 18 | 616 | -184 | -200 | -214 | -401 | -217 | -205 | -156 |
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| Effect of exchange rate changes on cash | - | - | - | - | - | - | - | - | - | - | - | -7 | 2 | -11 |
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| Net increase (decrease) in cash and cash equivalents | - | - | - | - | - | - | - | - | - | 25 | -27 | -19 | 8 | 33 |
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| Interest paid | 73 | 89 | 123 | 91 | 94 | 87 | 183 | 200 | 205 | 192 | 185 | 173 | 186 | 185 |
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| Income taxes paid, net | 11 | 15 | 12 | 11 | 11 | 49 | 32 | 46 | 57 | 2 | 27 | 40 | 55 | 50 |
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