Accounts Payable and Accrued Liabilities (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Accounts Payable and Accrued Liabilities [Abstract]
Trade accounts payable and accruals	$ 855.8	$ 925.1
Advances from customers	1,566.7	1,320.1
Other accruals	826.6	800.5
Total accounts payable and accrued liabilities	3,249.1	3,045.7
Product Warranty Accrual [Roll Forward]
Balance, beginning	67.6
Net warranty provisions	19.6
Charges against accrual	(29.3)
Formation of OneSubsea	1.3
Translation and other	(1.0)
Balance, ending	$ 58.2