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Financial Instruments Energy (Details)
bbl in Millions, $ in Millions

12 Months Ended

Dec. 31, 2016

USD ($)

Dec. 31, 2015

USD ($)

bbl

Dec. 31, 2014

USD ($)

Derivatives, Fair Value [Line Items]

Derivative contracts, at fair value(2)

^[1]

$ 1,139.0

$ 36.0

Derivative contracts, at fair value(1)

^[2]

23.0

259.0

Not designated as hedging instrument | Other assets

Derivatives, Fair Value [Line Items]

Derivative contracts, at fair value(1)

^[3],[4]

19.0

259.0

Not designated as hedging instrument | Accrued expenses and other liabilities

Derivatives, Fair Value [Line Items]

Derivative contracts, at fair value(2)

^[3],[5]

1,139.0

$ 33.0

Commodity contracts | Energy Segment | Not designated as hedging instrument

Derivatives, Fair Value [Line Items]

Derivative volume (barrels) | bbl

2.5

Commodity contracts | Energy Segment | Not designated as hedging instrument | Other assets

Derivatives, Fair Value [Line Items]

Derivative contracts, at fair value(1)

$ 45.0

Commodity contracts | Energy Segment | Not designated as hedging instrument | Accrued expenses and other liabilities

Derivatives, Fair Value [Line Items]

Derivative contracts, at fair value(2)

(11.0)

Interest rate contracts(2)

Derivatives, Fair Value [Line Items]

Derivative, Notional Amount

16,000.0

Interest rate contracts(2) | Energy Segment | Designated as hedging instrument

Derivatives, Fair Value [Line Items]

Derivative, Notional Amount

62.5

Other comprehensive income (loss), reclassification adjustment from AOCI on derivatives, before Tax

0.0

(1.0)

Other Income (Loss) [Member] | Commodity contracts | Energy Segment | Not designated as hedging instrument

Derivatives, Fair Value [Line Items]

Realized (loss) gain on interest rate swaps reclassified from AOCI into interest expense

(19.0)

$ (36.0)

$ 187.0

Term loan | Energy Segment

Derivatives, Fair Value [Line Items]

Balance of debt partially hedged

$ 125.0

[1]	Amounts are classified within accrued expenses and other liabilities in our consolidated balance sheets.
[2]	Amounts are classified within other assets in our consolidated balance sheets.
[3]	Excludes netting of cash collateral received and posted. The total collateral posted at December 31, 2016 and 2015 was $634 million and $883 million, respectively, across all counterparties.
[4]	Net asset derivatives are located within other assets in our consolidated balance sheets.
[5]	Net liability derivatives are located within accrued expenses and other liabilities in our consolidated balance sheets.

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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X

- Definition

Amount of the hedged item as of the balance sheet date related to the derivative. For example, the hedged balance on a debt instrument.

+ References

No definition available.

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X

- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958

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-Section 55
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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313

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X

- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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