Merger of FMC Technologies and Technip (Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Millions	Sep. 30, 2017	Jan. 16, 2017	Dec. 31, 2016
Liabilities:
Goodwill	$ 8,896.0		$ 3,718.3
FMCTI Merger
Assets:
Cash		$ 1,479.2
Accounts receivable		1,247.4
Inventory		764.8
Income taxes receivable		139.2
Other current assets		282.2
Property, plant and equipment		1,293.3
Intangible assets		1,390.3
Deferred income taxes		67.0
Other long-term assets		167.3
Total identifiable assets acquired		6,830.7
Liabilities:
Short-term and current portion of long-term debt		319.5
Accounts payable, trade		386.0
Advance payments		454.0
Income taxes payable		92.1
Other current liabilities		524.3
Long-term debt, less current portion		1,444.2
Accrued pension and other post-retirement benefits, less current portion		195.5
Deferred income taxes		226.8
Other long-term liabilities		138.7
Total liabilities assumed		3,781.1
Net identifiable assets acquired		3,049.6
Goodwill		5,121.1
Net assets acquired		$ 8,170.7