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Acquisitions - Summary of Preliminary Estimated Fair Values of GET Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Sep. 30, 2019	Feb. 25, 2019	Dec. 31, 2018
Assets acquired
Goodwill	$ 8,103.2		$ 2,396.5
General Electric Company
Assets acquired
Cash and cash equivalents		$ 174.3
Accounts receivable		524.7
Inventories		1,192.9
Other current assets		64.7
Property, plant & equipment		1,091.2
Goodwill		5,804.4
Other noncurrent assets		210.6
Total assets acquired		12,337.8
Liabilities assumed
Current liabilities		1,555.6
Contingent consideration		440.0
Other noncurrent liabilities		483.8
Total liabilities assumed		2,479.4
Net assets acquired		9,858.4
Noncontrolling interest		86.8
General Electric Company | Trade Names
Assets acquired
Intangible assets acquired		55.0
General Electric Company | Customer relationships
Assets acquired
Intangible assets acquired		550.0
General Electric Company | Patents
Assets acquired
Intangible assets acquired		1,210.0
General Electric Company | Backlog
Assets acquired
Intangible assets acquired		$ 1,460.0

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