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v3.19.1

Basis of Presentation and Significant Accounting Policies - Summary of Impact of Adoption of Topic 842 on Condensed Consolidated Statement of Operations and Condensed Consolidated Balance Sheet (Detail) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018 | Dec. 31, 2017
Balance Sheet Classification [Abstract] |  |  |  |
Prepaid expenses and other | $ 290.8 |  | $ 275.6 |
Current assets held for sale | 3,456.1 |  | 3,535.2 |
Total current assets | 7,516.1 |  | 7,740.3 |
Total assets | 18,106.1 |  | 17,722.4 |
Other accrued liabilities | 1,174.4 |  | 1,180.6 |
Current liabilities held for sale | 747.1 |  | 734.1 |
Total current liabilities | 3,551.6 |  | 3,412.0 |
Deferred income taxes (liabilities) | 216.0 |  | 179.7 |
Other noncurrent liabilities | 1,328.5 |  | 1,368.2 |
Total liabilities | 13,123.0 |  | 12,469.2 |
Retained earnings | (2,662.0) |  | (2,511.3) |
Stockholders' equity attributable to parent | 4,948.4 |  | 5,218.4 |
Total stockholders' equity | 4,983.1 | $ 14,167.3 | 5,253.2 | $ 14,181.3
Total liabilities and stockholders' equity | 18,106.1 |  | 17,722.4 |
Income Statement Classification [Abstract] |  |  |  |
Income (loss) from discontinued operations, net of tax | (79.4) | 108.0 |  |
Net income (loss) | $ (151.2) | $ 53.3 |  |
Basic: |  |  |  |
Income (loss) from continuing operations | $ (0.17) | $ (0.11) |  |
Income (loss) from discontinued operations | (0.19) | 0.22 |  |
Net income (loss) | (0.36) | 0.11 |  |
Diluted: |  |  |  |
Income (loss) from continuing operations | (0.17) | (0.11) |  |
Income (loss) from discontinued operations | (0.19) | 0.22 |  |
Net income (loss) | $ (0.36) | $ 0.11 |  |
Previously Reported [Member] |  |  |  |
Balance Sheet Classification [Abstract] |  |  |  |
Prepaid expenses and other |  |  | 278.0 |
Current assets held for sale |  |  | 3,541.3 |
Total current assets |  |  | 7,748.8 |
Deferred income taxes (noncurrent assets) |  |  | 165.2 |
Total assets |  |  | 17,716.4 |
Other accrued liabilities |  |  | 1,182.3 |
Current liabilities held for sale |  |  | 650.4 |
Total current liabilities |  |  | 3,330.0 |
Deferred income taxes (liabilities) |  |  | 1,041.8 |
Other noncurrent liabilities |  |  | 1,370.5 |
Total liabilities |  |  | 12,438.6 |
Retained earnings |  |  | (2,486.7) |
Stockholders' equity attributable to parent |  |  | 5,243.0 |
Total stockholders' equity |  |  | 5,277.8 |
Total liabilities and stockholders' equity |  |  | 17,716.4 |
Income Statement Classification [Abstract] |  |  |  |
Income (loss) from discontinued operations, net of tax |  |  | (128.3) |
Net income (loss) |  |  | $ (6,917.9) |
Basic: |  |  |  |
Income (loss) from continuing operations |  |  | $ (14.33) |
Income (loss) from discontinued operations |  |  | (0.27) |
Net income (loss) |  |  | (14.60) |
Diluted: |  |  |  |
Income (loss) from continuing operations |  |  | (14.33) |
Income (loss) from discontinued operations |  |  | (0.27) |
Net income (loss) |  |  | $ (14.60) |
Restatement Adjustment [Member] |  |  |  |
Balance Sheet Classification [Abstract] |  |  |  |
Prepaid expenses and other |  |  | $ (2.4) |
Current assets held for sale |  |  | (6.1) |
Total current assets |  |  | (8.5) |
Deferred income taxes (noncurrent assets) |  |  | 14.5 |
Total assets |  |  | 6.0 |
Other accrued liabilities |  |  | (0.8) |
Current liabilities held for sale |  |  | 100.4 |
Total current liabilities |  |  | 99.6 |
Deferred income taxes (liabilities) |  |  | (66.7) |
Other noncurrent liabilities |  |  | (2.3) |
Total liabilities |  |  | 30.6 |
Retained earnings |  |  | (24.6) |
Stockholders' equity attributable to parent |  |  | (24.6) |
Total stockholders' equity |  |  | (24.6) |
Total liabilities and stockholders' equity |  |  | 6.0 |
Income Statement Classification [Abstract] |  |  |  |
Income (loss) from discontinued operations, net of tax |  |  | (24.6) |
Net income (loss) |  |  | $ (24.6) |
Basic: |  |  |  |
Income (loss) from discontinued operations |  |  | $ (0.05) |
Net income (loss) |  |  | (0.05) |
Diluted: |  |  |  |
Income (loss) from discontinued operations |  |  | (0.05) |
Net income (loss) |  |  | $ (0.05) |
Reclassification [Member] |  |  |  |
Balance Sheet Classification [Abstract] |  |  |  |
Other accrued liabilities |  |  | $ (0.9) |
Current liabilities held for sale |  |  | (16.7) |
Total current liabilities |  |  | (17.6) |
Deferred income taxes (liabilities) |  |  | 17.6 |
Adjustments for New Accounting Pronouncement [Member] |  |  |  |
Balance Sheet Classification [Abstract] |  |  |  |
Prepaid expenses and other |  |  | 275.6 |
Current assets held for sale |  |  | 3,535.2 |
Total current assets |  |  | 7,740.3 |
Deferred income taxes (noncurrent assets) |  |  | 179.7 |
Total assets |  |  | 17,722.4 |
Other accrued liabilities |  |  | 1,180.6 |
Current liabilities held for sale |  |  | 734.1 |
Total current liabilities |  |  | 3,412.0 |
Deferred income taxes (liabilities) |  |  | 992.7 |
Other noncurrent liabilities |  |  | 1,368.2 |
Total liabilities |  |  | 12,469.2 |
Retained earnings |  |  | (2,511.3) |
Stockholders' equity attributable to parent |  |  | 5,218.4 |
Total stockholders' equity |  |  | 5,253.2 |
Total liabilities and stockholders' equity |  |  | 17,722.4 |
Income Statement Classification [Abstract] |  |  |  |
Income (loss) from discontinued operations, net of tax |  |  | (152.9) |
Net income (loss) |  |  | $ (6,942.5) |
Basic: |  |  |  |
Income (loss) from continuing operations |  |  | $ (14.33) |
Income (loss) from discontinued operations |  |  | (0.32) |
Net income (loss) |  |  | (14.65) |
Diluted: |  |  |  |
Income (loss) from continuing operations |  |  | (14.33) |
Income (loss) from discontinued operations |  |  | (0.32) |
Net income (loss) |  |  | $ (14.65) |

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