Commitments and Contingent Liabilities (Tables)

6 Months Ended

Jun. 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 June 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 June 30, 2013		Projected costs for the remainder of 2013		Projected costs in 2014		Projected costs in 2015		Total future costs
Rowan Renaissance	December 2013	$	729	$	232	$	486	$	11	$	—	$	497
Rowan Resolute	June 2014	737		261		44		432		—		476
Rowan Reliance	October 2014	732		194		34		500		4		538
Rowan Relentless	March 2015	755		180		26		103		446		575
		$	2,953	$	867	$	590	$	1,046	$	450	$	2,086