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Acquisitions - Schedule of Fair Value of Consideration Transferred to Effect Acquisition (Detail) $ / shares in Units, $ in Millions | Apr. 02, 2016 USD ($) $ / shares shares | Dec. 31, 2018 shares | Dec. 31, 2017 shares
--- | --- | --- | ---
Equity consideration: |  |  |
Number of shares of Cameron stock outstanding |  | 1,382,964,324 | 1,383,932,776
Cash consideration: |  |  |
Number of shares of Cameron stock outstanding |  | 1,382,964,324 | 1,383,932,776
Cameron |  |  |
Equity consideration: |  |  |
Number of shares of Cameron stock outstanding | 192,000,000 |  |
Exchange ratio | 0.716 |  |
Schlumberger shares of common stock issued | 138,000,000 |  |
Schlumberger closing stock share price on April 1, 2016 | $ / shares | $ 72.12 |  |
Equity consideration | $ | $ 9,924 |  |
Cash consideration: |  |  |
Number of shares of Cameron stock outstanding | 192,000,000 |  |
Cash consideration per Cameron share | $ / shares | $ 14.44 |  |
Cash consideration | $ | $ 2,776 |  |
Other: |  |  |
Fair value of replacement equity awards | $ | 103 |  |
Total fair value of the consideration transferred | $ | $ 12,803 |  |

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