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Segment Information
 6 Months Ended
Jun. 30, 2015
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 2014 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 six-month periods ended June 30, 2015 and 2014 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)
2015–
 
 
 
 
 
 
 
Risk and Insurance Services
$
1,750

(a) 
$
427

 
$
3,553

(c) 
$
960

Consulting
1,487

(b) 
248

 
2,908

(d) 
496

Total Operating Segments
3,237

  
675

 
6,461

  
1,456

Corporate / Eliminations
(12
)
 
(46
)
 
(21
)
 
(92
)
Total Consolidated
$
3,225

  
$
629

 
$
6,440

  
$
1,364

2014–
 
 
 
 
 
 
 
Risk and Insurance Services
$
1,791

(a) 
$
448

 
$
3,630

(c) 
$
941

Consulting
1,520

(b) 
247

 
2,952

(d) 
472

Total Operating Segments
3,311

  
695

 
6,582

  
1,413

Corporate / Eliminations
(11
)
 
(48
)
 
(18
)
 
(93
)
Total Consolidated
$
3,300

  
$
647

 
$
6,564

  
$
1,320


(a) 
Includes inter-segment revenue of $4 million and $3 million in 2015 and 2014, respectively, interest income on fiduciary funds of $5 million and $6 million in 2015 and 2014, respectively, and equity method income of $0 million and $6 million in 2015 and 2014, respectively.
(b) 
Includes inter-segment revenue of $8 million in both 2015 and 2014, interest income on fiduciary funds of $1 million in 2015 and $2 million in 2014, and equity method income of $5 million in 2015 and $0 million in 2014.
(c) 
Includes inter-segment revenue of $5 million and $3 million in 2015 and 2014, respectively, interest income on fiduciary funds of $10 million and $12 million in 2015 and 2014, respectively, and equity method income of $2 million in 2015 and $6 million in 2014.
(d) 
Includes inter-segment revenue of $16 million and $15 million in 2015 and 2014, respectively, interest income on fiduciary funds of $2 million and $3 million in 2015 and 2014, respectively, and equity method income of $8 million in 2015 and $0 million in 2014.


Details of operating segment revenue for the three- and six-month periods ended June 30, 2015 and 2014 are as follows:
 
Three Months Ended June 30,
 
Six Months Ended
June 30,
(In millions of dollars)
2015

 
2014

 
2015

 
2014

Risk and Insurance Services
 
 
 
 
 
 
 
Marsh
$
1,474

 
$
1,495

 
$
2,908

 
$
2,952

Guy Carpenter
276

 
296

 
645

 
678

Total Risk and Insurance Services
1,750

 
1,791

 
3,553

 
3,630

Consulting
 
 
 
 
 
 
 
Mercer
1,046

 
1,071

 
2,083

 
2,132

Oliver Wyman Group
441

 
449

 
825

 
820

Total Consulting
1,487

 
1,520

 
2,908

 
2,952

Total Operating Segments
3,237

 
3,311

 
6,461

 
6,582

Corporate / Eliminations
(12
)
 
(11
)
 
(21
)
 
(18
)
Total
$
3,225

 
$
3,300

 
$
6,440

 
$
6,564