Business Segments (Tables)
 3 Months Ended
Mar. 31, 2015
Segment Reporting [Abstract]  
Revenues
Revenues
 
Three Months Ended
($ in millions)
March 31, 2015

March 31, 2014
North American Full-Service Segment
$
2,175

 
$
2,049

North American Limited-Service Segment
738

 
667

International Segment
542

 
520

Total segment revenues
3,455

 
3,236

Other unallocated corporate
58

 
57

         Total consolidated revenues
$
3,513

 
$
3,293
Net Income
Segment Profits
 
Three Months Ended
($ in millions)
March 31, 2015
 
March 31, 2014
North American Full-Service Segment
$
146

 
$
131

North American Limited-Service Segment
151

 
115

International Segment
77

 
65

Total segment profits
374

 
311

Other unallocated corporate
(39
)
 
(55
)
Interest expense, net of interest income
(28
)
 
(25
)
Income taxes
(100
)
 
(59
)
          Net Income
$
207

 
$
172
Goodwill
The following table details the carrying amount of our goodwill at the end of the 2015 first quarter and year-end 2014:
Goodwill
($ in millions)
North American
Full-Service
Segment
 
North American
Limited-Service
Segment
 
International
Segment
 
Total
Goodwill
Year-end 2014 balance:
 
 
 
 
 
 
 
Goodwill
$
392

 
$
125

 
$
431

 
$
948

Accumulated impairment losses
—

 
(54
)
 
—

 
(54
)
 
$
392

 
$
71

 
$
431

 
$
894

 
 
 
 
 
 
 
 
March 31, 2015 balance:
 
 
 
 
 
 
 
Goodwill
$
392

 
$
125

 
$
431

 
$
948

Accumulated impairment losses
—

 
(54
)
 
—

 
(54
)
 
$
392

 
$
71

 
$
431

 
$
894