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v3.10.0.1

Guarantee Of Registered Securities (Condensed Consolidating Statements Of Comprehensive Income) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Guarantor Obligations [Line Items] |  |  |  |  |  |  |  |  |  |  |
NET INCOME (LOSS) | $ (203.1) | $ (142.9) | $ (150.1) | $ (140.5) | $ (207.1) | $ (28.2) | $ (44.3) | $ (24.6) | $ (636.6) | $ (304.2) | $ 897.1
OTHER COMPREHENSIVE INCOME (LOSS), NET |  |  |  |  |  |  |  |  |  |  |
Net change in fair value of derivatives |  |  |  |  |  |  |  |  | (9.7) | 8.5 | (5.4)
Reclassification of net (gains) losses on derivative instruments from other comprehensive income (loss) into net income (loss) |  |  |  |  |  |  |  |  | (1.0) | 0.4 | 12.4
Other |  |  |  |  |  |  |  |  | (0.5) | 0.7 | (0.5)
NET OTHER COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | (11.2) | 9.6 | 6.5
COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | (647.8) | (294.6) | 903.6
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |  |  |  |  |  |  | (3.1) | 0.5 | (6.9)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO ENSCO |  |  |  |  |  |  |  |  | (650.9) | (294.1) | 896.7
Ensco Plc [Member] |  |  |  |  |  |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |  |  |  |  |  |
NET INCOME (LOSS) |  |  |  |  |  |  |  |  | (639.7) | (303.7) | 890.2
OTHER COMPREHENSIVE INCOME (LOSS), NET |  |  |  |  |  |  |  |  |  |  |
Net change in fair value of derivatives |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Reclassification of net (gains) losses on derivative instruments from other comprehensive income (loss) into net income (loss) |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Other |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
NET OTHER COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | (639.7) | (303.7) | 890.2
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO ENSCO |  |  |  |  |  |  |  |  | (639.7) | (303.7) | 890.2
ENSCO International Inc. [Member] |  |  |  |  |  |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |  |  |  |  |  |
NET INCOME (LOSS) |  |  |  |  |  |  |  |  | (55.6) | (79.2) | 108.2
OTHER COMPREHENSIVE INCOME (LOSS), NET |  |  |  |  |  |  |  |  |  |  |
Net change in fair value of derivatives |  |  |  |  |  |  |  |  | (9.7) | 8.5 | (5.4)
Reclassification of net (gains) losses on derivative instruments from other comprehensive income (loss) into net income (loss) |  |  |  |  |  |  |  |  | (1.0) | 0.4 | 12.4
Other |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
NET OTHER COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | (10.7) | 8.9 | 7.0
COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | (66.3) | (70.3) | 115.2
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO ENSCO |  |  |  |  |  |  |  |  | (66.3) | (70.3) | 115.2
Pride International Inc. [Member] |  |  |  |  |  |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |  |  |  |  |  |
NET INCOME (LOSS) |  |  |  |  |  |  |  |  | 4.3 | 12.5 | 49.2
OTHER COMPREHENSIVE INCOME (LOSS), NET |  |  |  |  |  |  |  |  |  |  |
Net change in fair value of derivatives |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Reclassification of net (gains) losses on derivative instruments from other comprehensive income (loss) into net income (loss) |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Other |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
NET OTHER COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | 4.3 | 12.5 | 49.2
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO ENSCO |  |  |  |  |  |  |  |  | 4.3 | 12.5 | 49.2
Other Non-Guarantor Subsidiaries Of Ensco [Member] |  |  |  |  |  |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |  |  |  |  |  |
NET INCOME (LOSS) |  |  |  |  |  |  |  |  | (352.6) | 11.1 | 890.7
OTHER COMPREHENSIVE INCOME (LOSS), NET |  |  |  |  |  |  |  |  |  |  |
Net change in fair value of derivatives |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Reclassification of net (gains) losses on derivative instruments from other comprehensive income (loss) into net income (loss) |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Other |  |  |  |  |  |  |  |  | (0.5) | 0.7 | (0.5)
NET OTHER COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | (0.5) | 0.7 | (0.5)
COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | (353.1) | 11.8 | 890.2
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |  |  |  |  |  |  | (3.1) | 0.5 | (6.9)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO ENSCO |  |  |  |  |  |  |  |  | (356.2) | 12.3 | 883.3
Consolidating Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |  |  |  |  |  |
NET INCOME (LOSS) |  |  |  |  |  |  |  |  | 407.0 | 55.1 | (1,041.2)
OTHER COMPREHENSIVE INCOME (LOSS), NET |  |  |  |  |  |  |  |  |  |  |
Net change in fair value of derivatives |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Reclassification of net (gains) losses on derivative instruments from other comprehensive income (loss) into net income (loss) |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Other |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
NET OTHER COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | 407.0 | 55.1 | (1,041.2)
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO ENSCO |  |  |  |  |  |  |  |  | $ 407.0 | $ 55.1 | $ (1,041.2)

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