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Business Segment and Geographic Information (Tables)
9 Months Ended
Sep. 30, 2014
Segment Reporting [Abstract]  
Information on business segments
 
Three Months Ended
September 30
Nine Months Ended
September 30
Millions of dollars
2014
2013
2014
2013
Revenue:
 
 
 
 
Completion and Production
$
5,420

$
4,501

$
14,782

$
12,964

Drilling and Evaluation
3,281

2,971

9,318

8,799

Total revenue
$
8,701

$
7,472

$
24,100

$
21,763

Operating income:
 
 
 
 
Completion and Production
$
1,071

$
763

$
2,619

$
2,110

Drilling and Evaluation
451

450

1,263

1,272

Total operations
1,522

1,213

3,882

3,382

Corporate and other
112

(105
)
(84
)
(1,388
)
Total operating income
$
1,634

$
1,108

$
3,798

$
1,994

Interest expense, net of interest income
(96
)
(91
)
(283
)
(233
)
Other, net
12

(12
)
(43
)
(37
)
Income from continuing operations before income taxes
$
1,550

$
1,005

$
3,472

$
1,724