| **Quarterly Data (Unaudited) - (Notes)** | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
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| **Quarterly Financial Data [Abstract]**  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Quarterly Data (Unaudited)               | QUARTERLY DATA (UNAUDITED) FirstQuarter SecondQuarter Third Quarter Fourth Quarter TotalYear2014         Revenue$5,731 $5,935 $6,250 $6,635 $24,551Gross Profit (1)868 1,031 984 1,309 4,192Net income attributable to Baker Hughes328 353 375 663 1,719Basic earnings per share attributable to Baker Hughes0.75 0.81 0.86 1.53 3.93Diluted earnings per share attributable to Baker Hughes0.74 0.80 0.86 1.52 3.92Dividends per share0.15 0.15 0.17 0.17 0.64Common stock market prices:         High65.27 74.63 75.35 65.83  Low51.82 63.37 65.06 50.02            2013         Revenue$5,230 $5,487 $5,787 $5,860 $22,364Gross Profit (1)777 765 895 818 3,255Net income attributable to Baker Hughes267 240 341 248 1,096Basic earnings per share attributable to Baker Hughes0.60 0.54 0.77 0.56 2.47Diluted earnings per share attributable to Baker Hughes0.60 0.54 0.77 0.56 2.47Dividends per share0.15 0.15 0.15 0.15 0.60Common stock market prices:         High47.96 48.22 50.38 58.66  Low42.01 43.21 46.22 48.64  (1) Represents revenue less cost of sales, cost of services and research and engineering. |

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| - Definition
The entire disclosure for the quarterly financial data in the annual financial statements.  The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.
+ References
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