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Loss Per Share (Tables) | 12 Months Ended
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Dec. 31, 2019
Loss Per Share |
Loss Per Share | The computation of basic and diluted loss per share was as follows (in millions, except per share data):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years ended December 31, |
​ | ​ | 2019 | ​ | 2018 | ​ | 2017 |
​ |  | Basic |  | Diluted |  | Basic |  | Diluted |  | Basic |  | Diluted |
Numerator for loss per share | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net loss attributable to controlling interest | ​ | $ | (1,255) | ​ | $ | (1,255) | ​ | $ | (1,996) | ​ | $ | (1,996) | ​ | $ | (3,127) | ​ | $ | (3,127) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Denominator for loss per share | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted-average shares outstanding | ​ | ​ | 611 | ​ | ​ | 611 | ​ | ​ | 467 | ​ | ​ | 467 | ​ | ​ | 391 | ​ | ​ | 391 | ​
Effect of share-based awards and other equity instruments | ​ | ​ | 1 | ​ | ​ | 1 | ​ | ​ | 1 | ​ | ​ | 1 | ​ | ​ | — | ​ | ​ | — | ​
Weighted-average shares for per share calculation | ​ | ​ | 612 | ​ | ​ | 612 | ​ | ​ | 468 | ​ | ​ | 468 | ​ | ​ | 391 | ​ | ​ | 391 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loss per share | ​ | $ | (2.05) | ​ | $ | (2.05) | ​ | $ | (4.27) | ​ | $ | (4.27) | ​ | $ | (8.00) | ​ | $ | (8.00) | ​

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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