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v3.20.1

Property and Equipment Property and Equipment (Schedule of Property and Equipment) (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 USD ($) $ / bbl | Mar. 31, 2019 USD ($) | Dec. 31, 2019 USD ($) $ / bbl
Property, Plant and Equipment [Line Items] |  |  |
PROPERTY AND EQUIPMENT, AT COST | $ 14,461.9 |  | $ 18,393.8
Oil and Gas, Average Sale Price | $ / bbl | 20 |  | 60
Asset Impairment Charges | $ 2,808.2 | $ 0.0 |
Assets, Fair Value Disclosure | 72.3 |  |
Drilling rigs and equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
PROPERTY AND EQUIPMENT, AT COST | 13,792.0 |  | $ 17,714.0
Work-in-progress |  |  |
Property, Plant and Equipment [Line Items] |  |  |
PROPERTY AND EQUIPMENT, AT COST | 482.4 |  | 473.6
Other |  |  |
Property, Plant and Equipment [Line Items] |  |  |
PROPERTY AND EQUIPMENT, AT COST | $ 187.5 |  | $ 206.2

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