Commitments and Contingent Liabilities (Tables)

9 Months Ended

Sep. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Status of Company's Rigs under Construction

The following table presents the status of the Company’s rigs under construction as of September 30, 2013.  Amounts include capitalized interest and an estimate for project contingencies (in millions):

	Scheduled delivery date	Total estimated project costs		Total costs incurred through September 30, 2013		Projected costs for the remainder of 2013		Projected costs in 2014		Projected costs in 2015		Total future costs
Rowan Renaissance	December 2013	$	728	$	260	$	457	$	11	$	—	$	468
Rowan Resolute	June 2014	736		270		29		437		—		466
Rowan Reliance	October 2014	730		199		19		508		4		531
Rowan Relentless	March 2015	751		183		12		108		448		568
		$	2,945	$	912	$	517	$	1,064	$	452	$	2,033