| 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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| Revenues | - | - | - | 1,072 | 1,168 | 1,325 | 1,606 | 1,706 | 1,678 | 1,580 |
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| Operating (excluding depreciation and amortization) | 311 | 304 | 337 | 370 | 389 | 419 | 455 | 471 | 441 | 417 |
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| Selling, general and administrative | 194 | 185 | 205 | 222 | 245 | 255 | 347 | 350 | 355 | 366 |
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| Depreciation and amortization | 141 | 142 | 182 | 198 | 217 | 266 | 339 | 350 | 343 | 342 |
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| (Gain) loss on asset sales and disposals, net | - | - | - | - | - | - | - | - | - | -13 |
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| (Gain) loss on sales of businesses, net | - | - | - | - | - | 83 | - | 14 | - | - |
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| Total Costs and Expenses | 646 | 631 | 724 | 804 | 858 | 856 | 1,149 | 1,167 | 1,151 | 1,138 |
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| Income from operations | 162 | 188 | 236 | 268 | 310 | 469 | 457 | 539 | 527 | 442 |
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| Interest expense, net | - | - | - | - | - | - | - | - | - | 138 |
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| Other income (expense), net | -0 | 5 | 1 | 4 | -5 | -16 | -6 | 1 | 55 | -60 |
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| Income before income taxes and equity method investment income (loss), net | - | - | - | - | - | 379 | 337 | 375 | 411 | 244 |
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| Income tax provision | 56 | 64 | -44 | 47 | 55 | 76 | 46 | 126 | 90 | 25 |
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| Income before equity method investment income (loss), net | - | - | - | - | - | - | - | - | 322 | 219 |
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| Equity method investment income (loss), net | - | - | - | - | - | 1 | 0 | -15 | -54 | -204 |
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| Net income | 89 | 99 | 234 | 165 | 179 | 304 | 292 | 234 | 267 | 14 |
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| Earnings Per Share, Basic | 15.21 | 17.23 | 41.2 | 28.98 | 31.45 | 51.73 | 48.49 | 39.73 | 47.34 | 2.58 |
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| Earnings Per Share, Diluted | 15.19 | 17.14 | 40.72 | 28.77 | 31.12 | 51.27 | 46.49 | 38.06 | 45.14 | 3.43 |
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| Unrealized gain (loss) on cash flow hedges and other, net of tax | - | - | - | - | -68 | -73 | 58 | 133 | -13 | 11 |
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| Comprehensive income | 88 | 99 | 234 | 165 | 111 | 232 | 350 | 367 | 254 | 26 |
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