Charges and Credits (Tables)

12 Months Ended

Dec. 31, 2014

Restructuring And Related Activities [Abstract]

Summary of the Charges

The following is a summary of these charges:

	(Stated in millions)
	Pretax		Tax		Net		Classification
WesternGeco restructuring	$	806	$	25	$	781	Impairments & other
Currency devaluation loss in Venezuela		472		—		472	Impairments & other
Workforce reduction		296		37		259	Impairments & other
Impairment of SPM project		199		72		127	Impairments & other
	$	1,773	$	134	$	1,639

The following is a summary of these charges and credits:

	(Stated in millions)
	Pretax			Tax		Net			Classification
Gain on formation of OneSubsea joint venture	$	(1,028	)	$	—	$	(1,028	)	Gain on formation of OneSubsea
Impairment of equity-method investments		364			19		345		Impairments & other
Provision for accounts receivable		152			30		122		Cost of revenue
Currency devaluation loss in Venezuela		92			—		92		Impairments & other
	$	(420	)	$	49	$	(469	)

The following is a summary of these charges:

	(Stated in millions)
	Pretax		Tax		Net		Classification
Merger and integration-related costs	$	128	$	16	$	112	Merger & integration
Workforce reduction		33		6		27	Impairments & other
	$	161	$	22	$	139