Asset Impairments (Tables)

12 Months Ended

Dec. 31, 2016

Asset Impairment Charges [Abstract]

Asset Impairment Charges Pre Tax (non-cash)

Pre-tax (non-cash) asset impairment charges were as follows:

	Year Ended December 31,
(millions)	2016		2015		2014
Onshore US	$	—	$	—	$	42
Deepwater Gulf of Mexico	—		158		350
Israel	88		36		14
Equatorial Guinea	—		339		—
North Sea	—		—		94
Other International and Corporate	4		—		—
Total	$	92	$	533	$	500