v3.7.0.1

Acquisition Acquisition (Details) - USD ($) $ in Millions			3 Months Ended
		Jan. 01, 2017	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Acquisition
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			9 years 7 months 6 days
Goodwill			$ 123		$ 117
Business Acquisition, Revenue				$ 344
Business Acquisition, Net Income (Loss)				$ 87
Whiting Assets [Domain]
Acquisition
Business Combination, Consideration Transferred		$ 705
Inventory			5
Property, plant and equipment			540
Intangibles	[1]		154
Goodwill			6
Total purchase price			705
Business Acquisition, Revenue			99
Business Acquisition, Net Income (Loss)			$ 13
[1] The intangibles consist entirely of customer contracts with a weighted average amortization period of 9.6 years.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
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-SubTopic 30
-Section 50
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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

No definition available.

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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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.

+ References

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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- Definition

The amount of inventory recognized as of 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 recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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