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Segment Information
9 Months Ended
Sep. 30, 2014
Segment Reporting [Abstract]  
Segment Information
Segment Information
The Company is organized based on the types of services provided. Under this organizational structure, the Company’s business segments are:
Risk and Insurance Services, comprising insurance services (Marsh) and reinsurance services (Guy Carpenter); and
Consulting, comprising Mercer and Oliver Wyman Group
The accounting policies of the segments are the same as those used for the consolidated financial statements described in Note 1 to the Company’s 2013 Form 10-K. Segment performance is evaluated based on segment operating income, which includes directly related expenses, and charges or credits related to integration and restructuring but not the Company’s corporate-level expenses. Revenues are attributed to geographic areas on the basis of where the services are performed.
Selected information about the Company’s operating segments for the three- and nine-month periods ended September 30, 2014 and 2013 are as follows:
 
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
(In millions of dollars)
Revenue
 
Operating
Income
(Loss)
 
Revenue
 
Operating
Income
(Loss)
2014 –
 
 
 
 
 
 
 
Risk and Insurance Services
$
1,610

(a) 
$
229

 
$
5,240

(c) 
$
1,170

Consulting
1,541

(b) 
274

 
4,493

(d) 
746

Total Operating Segments
3,151

  
503

 
9,733

  
1,916

Corporate / Eliminations
(10
)
 
(58
)
 
(28
)
 
(151
)
Total Consolidated
$
3,141

  
$
445

 
$
9,705

  
$
1,765

2013–
 
 
 
 
 
 
 
Risk and Insurance Services
$
1,504

(a) 
$
222

 
$
4,963

(c) 
$
1,111

Consulting
1,437

(b) 
232

 
4,209

(d) 
624

Total Operating Segments
2,941

  
454

 
9,172

  
1,735

Corporate / Eliminations
(9
)
 
(50
)
 
(26
)
 
(147
)
Total Consolidated
$
2,932

  
$
404

 
$
9,146

  
$
1,588


(a) 
Includes inter-segment revenue of $0 million and $1 million in 2014 and 2013, respectively, interest income on fiduciary funds of $6 million and $7 million in 2014 and 2013, respectively, and equity method income of $4 million and $2 million in 2014 and 2013, respectively.
(b) 
Includes inter-segment revenue of $10 million and $8 million in 2014 and 2013, respectively, and interest income on fiduciary funds of $2 million in 2014 and $1 million in 2013.
(c) 
Includes inter-segment revenue of $3 million and $4 million in 2014 and 2013, respectively, interest income on fiduciary funds of $18 million and $21 million in 2014 and 2013, respectively, and equity method income of $10 million in both 2014 and 2013.
(d) 
Includes inter-segment revenue of $25 million and $22 million in 2014 and 2013, respectively, and interest income on fiduciary funds of $5 million and $3 million in 2014 and 2013, respectively.
Details of operating segment revenue for the three- and nine-month periods ended September 30, 2014 and 2013 are as follows:
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
(In millions of dollars)
2014

 
2013

 
2014

 
2013

Risk and Insurance Services
 
 
 
 
 
 
 
Marsh
$
1,343

 
$
1,241

 
$
4,295

 
$
4,038

Guy Carpenter
267

 
263

 
945

 
925

Total Risk and Insurance Services
1,610

 
1,504

 
5,240

 
4,963

Consulting
 
 
 
 
 
 
 
Mercer
1,112

 
1,072

 
3,244

 
3,157

Oliver Wyman Group
429

 
365

 
1,249

 
1,052

Total Consulting
1,541

 
1,437

 
4,493

 
4,209

Total Operating Segments
3,151

 
2,941

 
9,733

 
9,172

Corporate/ Eliminations
(10
)
 
(9
)
 
(28
)
 
(26
)
Total
$
3,141

 
$
2,932

 
$
9,705

 
$
9,146