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Description Of The Business And Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Reconciliation Of Net Income Attributable To Valaris Shares Used In Basic And Diluted EPS Computations

The following table is a reconciliation of the weighted-average shares used in our basic and diluted EPS computations for the years ended December 31, 2023 and 2022, eight months ended December 31, 2021 (Successor), and four months ended April 30, 2021 (Predecessor) (in millions):

			Successor																					Predecessor
			Year Ended December 31, 2023						Year Ended December 31, 2022						Eight Months Ended December 31, 2021									Four Months Ended April 30, 2021
Income (loss) attributable to our shares			$	865.4					$	176.5					$	(27.4)								$	(4,467.0)
Weighted average shares outstanding:
Basic			74.1						75.1						75.0									199.6
Effect of stock equivalents			1.1						0.5						—									—
Diluted			75.2						75.6						75.0									199.6

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Reconciliation of Net Income Attributable to Ensco Shares Used in Basic and Diluted EPS Computations [Table Text Block]

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