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4. Supplemental Cash Flow Information Cash Flow, Supplemental Disclosure - (Tables) | 3 Months Ended
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Mar. 31, 2022
Supplemental Cash Flow Elements [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] | The reconciliation of net income to net cash provided by operating activities is as follows (in millions):
| Three Months Ended
| March 31, 2022 |  | March 31, 2021
Net income (loss) | $ | (3,369.6) |  |  | $ | 977.4 |
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation and amortization | 32.0 |  |  | 32.7 |
Reduction in the carrying amount of right-of-use assets | 10.0 |  |  | 9.8 |
Share-based compensation | 13.5 |  |  | 11.7 |
Other-than-temporary impairment losses on investment | — |  |  | 0.8 |
(Gains) losses from change in fair market value of equity securities and loan receivable | 4,545.1 |  |  | (1,179.4) |
Payments for operating lease liabilities | (9.5) |  |  | (9.9) |
(Increase) decrease in accounts receivable | (46.8) |  |  | 1.3 |
(Increase) decrease in inventories | (35.5) |  |  | 5.8 |
Increase in other current assets | (33.7) |  |  | (37.5) |
Decrease in accounts payable and other current liabilities | (38.9) |  |  | (44.5) |
Increase in income taxes payable | 7.8 |  |  | 27.3 |
Increase (decrease) in deferred income taxes | (1,028.5) |  |  | 274.8 |
Increase in other long-term liabilities | 0.2 |  |  | 43.8 |
Other | 0.2 |  |  | (0.5) |
Net cash provided by operating activities | $ | 46.3 |  |  | $ | 113.6 |
Non-cash investing activities: |  |  |
Purchased property, plant and equipment | $ | 1.5 |  |  | $ | 4.7 |
Purchased marketable securities and investments | $ | 13.2 |  |  | $ | — |
Sold marketable securities and investments | $ | 2.0 |  |  | $ | — |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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- References No definition available. + Details
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