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Segment Information
 6 Months Ended
Jun. 30, 2012
Segment Information [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 2011 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 six-month periods ended June 30, 2012 and 2011 are as follows:
 
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
(In millions of dollars)
Revenue

 
Operating
Income
(Loss)

 
Revenue

 
Operating
Income
(Loss)

2012 –
 
 
 
 
 
 
 
Risk and Insurance Services
$
1,698

(a) 
$
401

 
$
3,445

(c) 
$
818

Consulting
1,341

(b) 
172

 
2,654

(d) 
331

Total Operating Segments
3,039

  
573

 
6,099

  
1,149

Corporate / Eliminations
(13
)
 
(55
)
 
(22
)
 
(104
)
Total Consolidated
$
3,026

  
$
518

 
$
6,077

  
$
1,045

2011–
 
 
 
 
 
 
 
Risk and Insurance Services
$
1,620

(a) 
$
356

 
$
3,254

(c) 
$
739

Consulting
1,319

(b) 
152

 
2,580

(d) 
280

Total Operating Segments
2,939

  
508

 
5,834

  
1,019

Corporate / Eliminations
(11
)
 
(43
)
 
(22
)
 
(82
)
Total Consolidated
$
2,928

  
$
465

 
$
5,812

  
$
937


(a) 
Includes inter-segment revenue of $2 million and $1 million in 2012 and 2011, respectively, interest income on fiduciary funds of $10 million in both 2012 and 2011, and equity method income of $9 million and $7 million in 2012 and 2011, respectively.
(b) 
Includes inter-segment revenue of $11 million and $10 million in 2012 and 2011, respectively, and interest income on fiduciary funds of $1 million in 2011.
(c) 
Includes inter-segment revenue of $3 million and $2 million in 2012 and 2011, respectively, interest income on fiduciary funds of $21 million and $22 million in 2012 and 2011, respectively, and equity method income of $10 million and $9 million in 2012 and 2011, respectively.
(d) 
Includes inter-segment revenue of $19 million and $20 million in 2012 and 2011, respectively, and interest income on fiduciary funds of $1 million and $2 million in 2012 and 2011, respectively.
Details of operating segment revenue for the three and six-month periods ended June 30, 2012 and 2011 are as follows:
 
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
(In millions of dollars)
2012

 
2011

 
2012

 
2011

Risk and Insurance Services
 
 
 
 
 
 
 
Marsh
$
1,421

 
$
1,362

 
$
2,809

 
$
2,654

Guy Carpenter
277

 
258

 
636

 
600

Total Risk and Insurance Services
1,698

 
1,620

 
3,445

 
3,254

Consulting
 
 
 
 
 
 
 
Mercer
960

 
945

 
1,917

 
1,867

Oliver Wyman Group
381

 
374

 
737

 
713

Total Consulting
1,341

 
1,319

 
2,654

 
2,580

Total Operating Segments
3,039

 
2,939

 
6,099

 
5,834

Corporate/ Eliminations
(13
)
 
(11
)
 
(22
)
 
(22
)
Total
$
3,026

 
$
2,928

 
$
6,077

 
$
5,812