Financial Information Related to Guarantor Subsidiaries (Details Textuals) (USD $) In Millions, except Per Share data, unless otherwise specified	Jun. 30, 2011	Dec. 31, 2010
Financial Information Related to Guarantor Subsidiaries (Textuals) [Abstract]
Unsecured senior notes, Percentage	1.50%
Common stock, par value	$ 0.001	$ 0.001
Preferred stock, par value	$ 0.01	$ 0.01
Unsecured senior notes due two thousand nineteen [Member]
Financial Information Related to Guarantor Subsidiaries (Textuals) [Abstract]
Unsecured senior notes, issued	$ 500
Unsecured senior notes, Percentage	6.375%
Parent [Member]
Financial Information Related to Guarantor Subsidiaries (Textuals) [Abstract]
Common stock, par value	$ 0.001	$ 0.001
Preferred stock, par value	$ 0.01	$ 0.01
Issuer [Member]
Financial Information Related to Guarantor Subsidiaries (Textuals) [Abstract]
Common stock, par value	$ 0.001	$ 0.001
Preferred stock, par value	$ 0.01	$ 0.01
SESI L.L.C [Member]
Financial Information Related to Guarantor Subsidiaries (Textuals) [Abstract]
Common stock, par value	$ 0.001	$ 0.001
Preferred stock, par value	$ 0.01	$ 0.01
Non-Guarantor Subsidiaries [Member]
Financial Information Related to Guarantor Subsidiaries (Textuals) [Abstract]
Common stock, par value	$ 0.001	$ 0.001
Preferred stock, par value	$ 0.01	$ 0.01
Consolidation, Eliminations [Member]
Financial Information Related to Guarantor Subsidiaries (Textuals) [Abstract]
Common stock, par value	$ 0.001	$ 0.001
Preferred stock, par value	$ 0.01	$ 0.01