Multiclient Seismic Data (Tables)

9 Months Ended

Sep. 30, 2015

Multiclient Seismic Data [Abstract]

Multiclient Seismic Data

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

(Stated in millions)
Balance at December 31, 2014	$	793
Capitalized in period		336
Charged to expense		(163	)
Balance at September 30, 2015	$	966