Subsequent Event	3 Months Ended
Mar. 31, 2012
Subsequent Event [Abstract]
Subsequent Event	15. Subsequent Event On April 10, 2012 Schlumberger entered into an agreement to sell its Wilson distribution business, a component of its Distribution segment, to National Oilwell Varco, Inc. for approximately $0.8 billion in cash (this transaction does not include Schlumberger’s interest in CE Franklin Ltd.). Closing of this transaction is subject to customary regulatory approvals. The Wilson distribution business generated revenue of approximately $2.1 billion during 2011.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

No definition available.

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