| **Quarterly Data (Unaudited) - (Tables)** | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
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| **Quarterly Financial Data [Abstract]**   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| 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
Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=35737889&loc=d3e1280-108306
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