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v3.20.4

Segment Information (Schedule Of Segment Reporting Information) (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) contract | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items] |  |  |
Number of drilling management contracts | contract | 2 |  |
Revenues | $ 1,427.2 | $ 2,053.2 | $ 1,705.4
Operating expenses - Contract drilling (exclusive of depreciation) | 1,458.6 | 1,806.0 | 1,319.4
Asset Impairment Charges | 3,646.2 | 104.0 | 40.3
Depreciation expense | 540.8 | 609.7 | 478.9
General and administrative | 214.6 | 188.9 | 102.7
Income (Loss) from Equity Method Investments | 7.8 | 12.6 | 0.0
OPERATING LOSS | (4,322.7) | (668.0) | (235.9)
Property and equipment, net | 10,960.5 | 15,096.9 | 12,616.2
Capital expenditures | 93.8 | 227.0 | 426.7
Other Operating Income | 118.1 | 0.0 | 0.0
Floaters [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 505.8 | 1,014.4 | 1,013.5
Operating expenses - Contract drilling (exclusive of depreciation) | 633.9 | 898.6 | 737.4
Asset Impairment Charges | 3,386.2 | 88.2 | 0.0
Depreciation expense | 262.8 | 362.3 | 311.8
General and administrative | 0.0 | 0.0 | 0.0
Income (Loss) from Equity Method Investments | 0.0 | 0.0 |
OPERATING LOSS | (3,659.0) | (334.7) | (35.7)
Property and equipment, net | 6,413.4 | 10,073.1 | 9,465.6
Capital expenditures | 25.1 | 31.4 | 105.5
Other Operating Income | 118.1 |  |
Jackups [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 765.3 | 834.6 | 630.9
Operating expenses - Contract drilling (exclusive of depreciation) | 733.3 | 788.9 | 526.5
Asset Impairment Charges | 254.3 | 10.2 | 40.3
Depreciation expense | 217.2 | 203.3 | 153.3
General and administrative | 0.0 | 0.0 | 0.0
Income (Loss) from Equity Method Investments | 0.0 | 0.0 |
OPERATING LOSS | (439.5) | (167.8) | (89.2)
Property and equipment, net | 3,912.6 | 4,322.7 | 3,114.1
Capital expenditures | 58.9 | 184.6 | 317.7
Other Operating Income | 0.0 |  |
ARO | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 549.4 | 410.5 | 0.0
Operating expenses - Contract drilling (exclusive of depreciation) | 388.2 | 280.2 | 0.0
Asset Impairment Charges | 0.0 | 0.0 | 0.0
Depreciation expense | 54.8 | 40.3 | 0.0
General and administrative | 24.2 | 27.1 | 0.0
Income (Loss) from Equity Method Investments | 0.0 | 0.0 |
OPERATING LOSS | 82.2 | 62.9 | 0.0
Property and equipment, net | 736.2 | 650.7 | 0.0
Capital expenditures | 136.1 | 27.5 | 0.0
Other Operating Income | 0.0 |  |
Other [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 156.1 | 204.2 | 61.0
Operating expenses - Contract drilling (exclusive of depreciation) | 91.4 | 118.5 | 55.5
Asset Impairment Charges | 5.7 | 0.0 | 0.0
Depreciation expense | 44.8 | 25.5 | 0.0
General and administrative | 0.0 | 0.0 | 0.0
Income (Loss) from Equity Method Investments | 0.0 | 0.0 |
OPERATING LOSS | 14.2 | 60.2 | 5.5
Property and equipment, net | 577.9 | 620.9 | 0.0
Capital expenditures | 0.0 | 0.0 | 0.0
Other Operating Income | 0.0 |  |
Reconciling Items [Member] | Corporate, Non-Segment [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | (549.4) | (410.5) | 0.0
Operating expenses - Contract drilling (exclusive of depreciation) | (388.2) | (280.2) | 0.0
Asset Impairment Charges | 0.0 | 5.6 | 0.0
Depreciation expense | (38.8) | (21.7) | 13.8
General and administrative | 190.4 | 161.8 | 102.7
Income (Loss) from Equity Method Investments | 7.8 | 12.6 |
OPERATING LOSS | (320.6) | (288.6) | (116.5)
Property and equipment, net | (679.6) | (570.5) | 36.5
Capital expenditures | (126.3) | $ (16.5) | $ 3.5
Other Operating Income | $ 0.0 |  |

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