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Multiclient Seismic Data (Tables)

6 Months Ended

Jun. 30, 2015

Multiclient Seismic Data [Abstract]

Multiclient Seismic Data

The change in the carrying amount of multiclient seismic data for the six months ended June 30, 2015 was as follows:

(Stated in millions)

Balance at December 31, 2014	.......................................................................................................................................................................................$	793
Capitalized in period	.............................................................................................................................................................................	221
Charged to expense	.............................................................................................................................................................................	(101	)
Balance at June 30, 2015	.......................................................................................................................................................................................$	913