v3.10.0.1

Summary of Significant Accounting Policies (Details 1) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Accounting Policies [Abstract] |  |  |
Accounting change (note 2) |  | $ 324.5 | $ 15.3
Aggregate allowance for doubtful accounts | $ 45.8 | 74.2 |
Increase to allowance for doubtful accounts | 86.1 |  |
Asset retirement obligation | 53.5 | 58.3 |
Earnings (loss) from continuing operations | (1,411.5) | (2,350.0) | 1,650.3
Net earnings from continuing operations attributable to noncontrolling interests | (120.5) | (71.4) | (25.8)
Net earnings (loss) from continuing operations attributable to Liberty Global shareholders | $ (1,532.0) | $ (2,421.4) | $ 1,624.5
Weighted Average Number of Shares Outstanding Reconciliation [Abstract] |  |  |
Basic (in shares) | 778,675,957 | 847,894,601 | 889,790,968
Diluted (in shares) | 778,675,957 | 847,894,601 | 899,969,654
Numerator: |  |  |
Net earnings attributable to holders of Liberty Global Shares (basic EPS computation) | $ (1,532.0) | $ (2,421.4) | $ 1,624.5
Interest expense on Virgin Media’s 6.50% convertible senior notes |  |  | 1.7
Net earnings attributable to holders of Liberty Global Shares (diluted EPS computation) |  |  | $ 1,626.2
Denominator: |  |  |
Weighted average ordinary shares (basic EPS computation) (in shares) | 778,675,957 | 847,894,601 | 889,790,968
Incremental shares attributable to the assumed exercise and vesting of share incentive awards (treasury stock method) (in shares) |  |  | 7,819,514
Incremental shares attributable to the assumed conversion of Virgin Media’s 6.5% convertible senior notes (in shares) |  |  | 2,359,172
Weighted average ordinary shares (diluted EPS computation) (in shares) | 778,675,957 | 847,894,601 | 899,969,654

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