Acquisition - Purchase Price Allocation (Details) $ in Millions	Jun. 29, 2015 USD ($)
Business Combinations [Abstract]
Duration of the measurement period	1 year
Assets acquired
Current assets	$ 1,060.7
Net property, plant, and equipment	7,107.4
Investments	1,071.8
Goodwill	2,557.2
Deferred charges and other assets, excluding goodwill	1,758.5
Liabilities assumed
Current liabilities, including current maturities of long-term debt	(1,299.1)
Deferred credits and other liabilities	(3,678.7)
Long-term debt	(2,943.6)
Preferred stock of subsidiary	(51.1)
Total purchase price	$ 5,583.1

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of financial liabilities assumed (as defined) which have been recognized as of the acquisition date.

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of investments acquired at the acquisition date.

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Duration of the measurement period in a business combination from the acquisition date.

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