Other Costs (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Other Costs [Abstract]
Goodwill impairment	$ 40	$ 0	$ 0
Litigation costs	11	3	2
Loss on disposal of non-core assets	10	0	0
Impairment of identifiable intangible assets	4	0	18
Cost for early retirement of debt	3	0	0
OneSubsea formation and other acquisition and integration costs	2	60	16
International pension curtailment and settlement costs (credits), net	(8)	0	7
Gain from remeasurement of prior interest in equity method investment	(8)	0	0
Mark-to-market impact on currency derivatives not designated as accounting hedges	8	1	(16)
Currency devaluation	0	10	0
Severance, restructuring and other costs	11	18	6
Total other costs	$ 73	$ 92	$ 33