Acquisitions and Dispositions (Details) - USD ($) $ in Millions	3 Months Ended
Jun. 30, 2016	Mar. 31, 2016
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Total charges related to Baker Hughes acquisition		$ 464
Baker Hughes Contract Termination Fee	$ 3,500
Mandatory Redemption of Senior Notes	$ 2,500
Debt Instrument, Redemption Price, Percentage	101.00%
Depreciation Expense on Reclassified Assets		329
Capitalized and divestiture costs related to Baker Hughes acquisition		$ 135
Redemption Premium	$ 41
Senior Notes due November 2020 [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Mandatory Redemption of Senior Notes	$ 1,250
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	2.70%
Senior Notes due November 2022 [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Mandatory Redemption of Senior Notes	$ 1,250
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	3.375%

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Total capitalized and other divestiture-related costs related to Baker Hughes acquisition

+ References

No definition available.

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Total charges related to Baker Hughes acquisition which include accumulated unrecognized depreciation and amortization for assets held for sale that were reclassified as held for use as well as capitalized and other divestiture-related costs.

+ References

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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.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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For the asset that is reclassified back to held and use from held-for-sale, the depreciation expense recognized when the asset is reclassified. This represents the difference between the carrying value at the time the decision to reclassify is made and the carrying amount that the asset would have had if it had never been classified as held for sale (including consideration of depreciation expense).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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The excess of the (1) fair value of consideration transferred to the holders of a security in excess of (2) the carrying amount of the security reported on the registrant's balance sheet, which will be deducted from net earnings to derive net earnings available to common shareholders. This amount is generally an adjustment considered in the computation of earnings per share.

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No definition available.

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