Accounts Payable and Accrued Liabilities (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Accounts Payable and Accrued Liabilities [Abstract]
Trade accounts payable and accruals	$ 797.1	$ 925.1
Advances from customers	1,736.9	1,320.1
Other accruals	999.6	800.5
Total accounts payable and accrued liabilities	3,533.6	3,045.7
Product Warranty Accrual [Roll Forward]
Balance, beginning	67.6
Net warranty provisions	30.4
Charges against accrual	(46.1)
Formation of OneSubsea	1.0
Translation and other	0.6
Balance, ending	$ 53.5