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Dispositions and the VodafoneZiggo JV Transaction (Pending and Completed Dispositions) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Operating results of discontinued operations |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 2,982.2 | $ 2,840.9 | $ 2,850.4 | $ 2,868.0 | $ 2,949.1 | $ 2,929.7 | $ 3,015.6 | $ 3,063.5 | $ 11,541.5 | $ 11,957.9 | $ 11,276.4
Earnings (loss) before income taxes |  |  |  |  |  |  |  |  | (1,156.0) | 161.8 | (2,111.1)
Net earnings (loss) |  |  |  |  |  |  |  |  | $ 13,047.2 | $ 2,261.5 | $ (370.6)
Weighted average ordinary shares outstanding (LiLAC Shares) - basic and diluted (in shares) |  |  |  |  |  |  |  |  | 705,794,546 | 778,675,957 | 847,894,601
Discontinued Operations |  |  |  |  |  |  |  |  |  |  |
Operating results of discontinued operations |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  | $ 3,953.6 | $ 7,362.5
Operating income (loss) |  |  |  |  |  |  |  |  |  | 1,937.7 | 974.8
Earnings (loss) before income taxes |  |  |  |  |  |  |  |  |  | 1,544.6 | (96.0)
Income tax benefit (expense) |  |  |  |  |  |  |  |  |  | (381.2) | (274.6)
Net earnings (loss) |  |  |  |  |  |  |  |  |  | 1,163.4 | (370.6)
Net loss (earnings) attributable to noncontrolling interests |  |  |  |  |  |  |  |  |  | (4.2) | 13.8
Net earnings (loss) attributable to Liberty Global shareholders |  |  |  |  |  |  |  |  |  | $ 1,159.2 | $ (356.8)
Basic and diluted earnings (loss) from discontinued operations attributable to Liberty Global shareholders (in dollars per share) |  |  |  |  |  |  |  |  | $ 1.03 | $ 1.49 | $ 0.56
Weighted average ordinary shares outstanding (LiLAC Shares) - basic and diluted (in shares) |  |  |  |  |  |  |  |  |  |  | 171,846,133
Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |
Current assets other than cash |  |  |  |  | 356.5 |  |  |  |  | $ 356.5 |
Property and equipment, net |  |  |  |  | 5,671.1 |  |  |  |  | 5,671.1 |
Goodwill |  |  |  |  | 3,986.7 |  |  |  |  | 3,986.7 |
Other assets, net |  |  |  |  | 516.8 |  |  |  |  | 516.8 |
Total assets |  |  |  |  | 10,531.1 |  |  |  |  | 10,531.1 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |
Current portion of debt and finance lease obligations |  |  |  |  | 820.2 |  |  |  |  | 820.2 |
Other accrued and current liabilities |  |  |  |  | 1,147.3 |  |  |  |  | 1,147.3 |
Long-term debt and finance lease obligations |  |  |  |  | 9,074.6 |  |  |  |  | 9,074.6 |
Other long-term liabilities |  |  |  |  | 997.8 |  |  |  |  | 997.8 |
Total liabilities |  |  |  |  | 12,039.9 |  |  |  |  | 12,039.9 |
Discontinued Operations, Split-off Transaction |  |  |  |  |  |  |  |  |  |  |
Operating results of discontinued operations |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | $ 2,054.6 |  |
Operating income (loss) |  |  |  |  |  |  |  |  | 1,176.3 |  |
Earnings (loss) before income taxes |  |  |  |  |  |  |  |  | 1,004.2 |  |
Income tax benefit (expense) |  |  |  |  |  |  |  |  | (273.9) |  |
Net earnings (loss) attributable to Liberty Global shareholders |  |  |  |  |  |  |  |  | 730.3 |  |
UPC Austria | Discontinued Operations, Split-off Transaction |  |  |  |  |  |  |  |  |  |  |
Operating results of discontinued operations |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  | 252.4 | $ 394.9
Operating income (loss) |  |  |  |  |  |  |  |  |  | 139.0 | 150.0
Earnings (loss) before income taxes |  |  |  |  |  |  |  |  |  | 138.7 | 150.0
Income tax benefit (expense) |  |  |  |  |  |  |  |  |  | (23.3) | (4.5)
Net earnings (loss) |  |  |  |  |  |  |  |  |  | 115.4 | 145.5
Net loss (earnings) attributable to noncontrolling interests |  |  |  |  |  |  |  |  |  | (4.2) | (6.8)
Net earnings (loss) attributable to Liberty Global shareholders |  |  |  |  |  |  |  |  |  | 111.2 | 138.7
Vodafone Disposal Group | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |
Current assets other than cash |  |  |  |  | 348.0 |  |  |  |  | 348.0 |
Property and equipment, net |  |  |  |  | 5,591.4 |  |  |  |  | 5,591.4 |
Goodwill |  |  |  |  | 3,986.7 |  |  |  |  | 3,986.7 |
Other assets, net |  |  |  |  | 509.4 |  |  |  |  | 509.4 |
Total assets |  |  |  |  | 10,435.5 |  |  |  |  | 10,435.5 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |
Current portion of debt and finance lease obligations |  |  |  |  | 809.0 |  |  |  |  | 809.0 |
Other accrued and current liabilities |  |  |  |  | 1,114.8 |  |  |  |  | 1,114.8 |
Long-term debt and finance lease obligations |  |  |  |  | 9,037.1 |  |  |  |  | 9,037.1 |
Other long-term liabilities |  |  |  |  | 997.5 |  |  |  |  | 997.5 |
Total liabilities |  |  |  |  | 11,958.4 |  |  |  |  | 11,958.4 |
Vodafone Disposal Group | Discontinued Operations, Split-off Transaction |  |  |  |  |  |  |  |  |  |  |
Operating results of discontinued operations |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 2,017.9 | 3,584.2 | 3,263.0
Operating income (loss) |  |  |  |  |  |  |  |  | 1,165.6 | 1,787.0 | 976.0
Earnings (loss) before income taxes |  |  |  |  |  |  |  |  | 994.7 | 1,396.3 | 395.4
Income tax benefit (expense) |  |  |  |  |  |  |  |  | (273.9) | (365.2) | (66.1)
Net earnings (loss) |  |  |  |  |  |  |  |  |  | 1,031.1 | 329.3
Net loss (earnings) attributable to noncontrolling interests |  |  |  |  |  |  |  |  |  | 0.0 | 0.0
Net earnings (loss) attributable to Liberty Global shareholders |  |  |  |  |  |  |  |  | 720.8 | 1,031.1 | 329.3
UPC DTH | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |
Current assets other than cash |  |  |  |  | 8.5 |  |  |  |  | 8.5 |
Property and equipment, net |  |  |  |  | 79.7 |  |  |  |  | 79.7 |
Goodwill |  |  |  |  | 0.0 |  |  |  |  | 0.0 |
Other assets, net |  |  |  |  | 7.4 |  |  |  |  | 7.4 |
Total assets |  |  |  |  | 95.6 |  |  |  |  | 95.6 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |
Current portion of debt and finance lease obligations |  |  |  |  | 11.2 |  |  |  |  | 11.2 |
Other accrued and current liabilities |  |  |  |  | 32.5 |  |  |  |  | 32.5 |
Long-term debt and finance lease obligations |  |  |  |  | 37.5 |  |  |  |  | 37.5 |
Other long-term liabilities |  |  |  |  | 0.3 |  |  |  |  | 0.3 |
Total liabilities |  |  |  |  | $ 81.5 |  |  |  |  | 81.5 |
UPC DTH | Discontinued Operations, Split-off Transaction |  |  |  |  |  |  |  |  |  |  |
Operating results of discontinued operations |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 36.7 | 117.0 | 114.6
Operating income (loss) |  |  |  |  |  |  |  |  | 10.7 | 11.7 | 11.7
Earnings (loss) before income taxes |  |  |  |  |  |  |  |  | 9.5 | 9.6 | 9.7
Income tax benefit (expense) |  |  |  |  |  |  |  |  | 0.0 | 7.3 | 0.0
Net earnings (loss) |  |  |  |  |  |  |  |  |  | 16.9 | 9.7
Net loss (earnings) attributable to noncontrolling interests |  |  |  |  |  |  |  |  |  | 0.0 | 0.0
Net earnings (loss) attributable to Liberty Global shareholders |  |  |  |  |  |  |  |  | $ 9.5 | $ 16.9 | $ 9.7
LiLAC Shares | Discontinued Operations |  |  |  |  |  |  |  |  |  |  |
Operating results of discontinued operations |  |  |  |  |  |  |  |  |  |  |
Basic and diluted earnings (loss) from discontinued operations attributable to Liberty Global shareholders (in dollars per share) |  |  |  |  |  |  |  |  |  |  | $ (4.86)
LiLAC Shares | Discontinued Operations, Split-off Transaction |  |  |  |  |  |  |  |  |  |  |
Operating results of discontinued operations |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | $ 3,590.0
Operating income (loss) |  |  |  |  |  |  |  |  |  |  | (162.9)
Earnings (loss) before income taxes |  |  |  |  |  |  |  |  |  |  | (651.1)
Income tax benefit (expense) |  |  |  |  |  |  |  |  |  |  | (204.0)
Net earnings (loss) |  |  |  |  |  |  |  |  |  |  | (855.1)
Net loss (earnings) attributable to noncontrolling interests |  |  |  |  |  |  |  |  |  |  | 20.6
Net earnings (loss) attributable to Liberty Global shareholders |  |  |  |  |  |  |  |  |  |  | $ (834.5)

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