Multiclient Seismic Data (Tables)

3 Months Ended

Mar. 31, 2018

Multiclient Seismic Data [Abstract]

Change in Carrying Amount of Multiclient Seismic Data

The change in the carrying amount of multiclient seismic data for the three months ended March 31, 2018 was as follows:

(Stated in millions)
Balance at December 31, 2017	$	727
Capitalized in period		26
Charged to expense		(46	)
Balance at March 31, 2018	$	707