Business Segments (Tables)

6 Months Ended

Jun. 30, 2018

Business Segments [Abstract]

Segment Information

				Three Months Ended		Three Months Ended
	Total Assets			June 30, 2018		June 30, 2017
	at June 30,			External	Income	External	Income
(Millions of dollars)	2018			Revenues	(Loss)	Revenues	(Loss)
Exploration and production 1
United States	$	4,799.1		318.8	72.6	212.5	(9.6)
Canada		1,745.6		108.4	9.7	88.2	5.2
Malaysia		1,621.7		228.6	83.9	176.5	47.7
Other		160.0		–	(15.0)	–	7.2
Total exploration and production		8,326.4		655.8	151.2	477.2	50.5
Corporate 3		1,597.3		(37.6)	(105.3)	31.1	(67.9)
Assets/revenue/income from continuing operations		9,923.7		618.2	45.9	508.3	(17.4)
Discontinued operations, net of tax		21.7		–	(0.4)	–	(0.2)
Total	$	9,945.4		618.2	45.5	508.3	(17.6)
				Six Months Ended		Six Months Ended
				June 30, 2018		June 30, 2017
				External	Income	External	Income
(Millions of dollars)				Revenues	(Loss)	Revenues	(Loss)
Exploration and production 1
United States			$	596.9	108.7	436.7	(10.6)
Canada 2				226.7	34.3	306.1	105.8
Malaysia				439.5	154.3	373.9	106.3
Other				–	(30.5)	–	0.1
Total exploration and production				1,263.1	266.8	1,116.7	201.6
Corporate 3				(59.3)	(52.2)	68.2	(161.5)
Revenue/loss from continuing operations				1,203.8	214.6	1,184.9	40.1
Discontinued operations, net of tax				–	(0.8)	–	0.8
Total			$	1,203.8	213.8	1,184.9	40.9

1Additional details about results of oil and gas operations are presented in the tables on pages1 and 30.

2Revenue for the six months ended June 30, 2017 includes a pretax gain of $132.4 million related to the sale of Seal heavy oil assets in Canada.

3  In 2018, the Company reported realized and unrealized gains and losses on crude oil contracts in the Corporate segment (previously reported in the Exploration and production business) to reflect how segments are currently evaluated, how resources are allocated and how risk is managed by the Company.  The 2017 amounts have been reclassified to reflect comparable disclosure.