Multiclient Seismic Data (Tables)

6 Months Ended

Jun. 30, 2019

Multiclient Seismic Data [Abstract]

Change in Carrying Amount of Multiclient Seismic Data

The change in the carrying amount of multiclient seismic data for the six months ended June 30, 2019 was as follows:

(Stated in millions)
Balance at December 31, 2018	$	601
Capitalized in period		109
Charged to expense		(133	)
Balance at June 30, 2019	$	577