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54201 - Disclosure - Schedule II (details) - Condensed Income Statement
(http://trv.com/role/ScheduleII_details_CondensedIncomeStatement)
TableSchedule II - Condensed Statement of Income [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000086312 (http://www.sec.gov/CIK)
Condensed Statement of IncomePeriod [Axis]
2013-10-01 - 2013-12-31
2013-07-01 - 2013-09-30
2013-04-01 - 2013-06-30
2013-01-01 - 2013-12-31
2013-01-01 - 2013-03-31
2012-10-01 - 2012-12-31
2012-07-01 - 2012-09-30
2012-04-01 - 2012-06-30
2012-01-01 - 2012-12-31
2012-01-01 - 2012-03-31
2011-01-01 - 2011-12-31
Legal entity [Axis]Legal entity [Axis]Legal entity [Axis]Legal entity [Axis]Legal entity [Axis]Legal entity [Axis]Legal entity [Axis]Legal entity [Axis]Legal entity [Axis]Legal entity [Axis]Legal entity [Axis]
Entity [Domain]Entity [Domain]Entity [Domain]Travelers [Member]Entity [Domain]Entity [Domain]Entity [Domain]Entity [Domain]Entity [Domain]Travelers [Member]Entity [Domain]Entity [Domain]Travelers [Member]Entity [Domain]
Consolidation Items [Axis]Consolidation Items [Axis]Consolidation Items [Axis]Consolidation Items [Axis]Consolidation Items [Axis]Consolidation Items [Axis]Consolidation Items [Axis]Consolidation Items [Axis]Consolidation Items [Axis]Consolidation Items [Axis]Consolidation Items [Axis]Consolidation Items [Axis]Consolidation Items [Axis]Consolidation Items [Axis]
Consolidation Items [Domain]Consolidation Items [Domain]Consolidation Items [Domain]Reportable Legal Entities [Member]Consolidation Items [Domain]Consolidation Items [Domain]Consolidation Items [Domain]Consolidation Items [Domain]Consolidation Items [Domain]Reportable Legal Entities [Member]Consolidation Items [Domain]Consolidation Items [Domain]Reportable Legal Entities [Member]Consolidation Items [Domain]
Net investment income
 
 
 
7,000,000  
2,716,000,000  
 
 
 
 
9,000,000  
2,889,000,000  
 
8,000,000  
2,879,000,000  
Net realized investment gains (losses)
 
 
 
2,000,000  
166,000,000 1
 
 
 
 
 
51,000,000 1
 
(5,000,000) 
55,000,000 1
Other revenues
 
 
 
 
277,000,000  
 
 
 
 
(1,000,000) 
120,000,000  
 
 
126,000,000  
Total revenues
6,737,000,000  
6,452,000,000  
6,674,000,000  
9,000,000  
26,191,000,000  
6,328,000,000  
6,477,000,000  
6,512,000,000  
6,359,000,000  
8,000,000  
25,740,000,000  
6,392,000,000  
3,000,000  
25,446,000,000  
Interest expense
 
 
 
308,000,000  
361,000,000  
 
 
 
 
305,000,000  
378,000,000  
 
313,000,000  
386,000,000  
Expenses, other
 
 
 
13,000,000  
3,757,000,000  
 
 
 
 
4,000,000  
3,610,000,000  
 
27,000,000  
3,556,000,000  
Total claims and expenses
5,366,000,000  
5,275,000,000  
5,497,000,000  
321,000,000  
21,246,000,000  
5,108,000,000  
6,166,000,000  
5,342,000,000  
5,751,000,000  
309,000,000  
22,574,000,000  
5,315,000,000  
340,000,000  
24,094,000,000  
Income before income taxes
1,371,000,000  
1,177,000,000  
1,177,000,000  
(312,000,000) 
4,945,000,000  
1,220,000,000  
311,000,000  
1,170,000,000  
608,000,000  
(301,000,000) 
3,166,000,000  
1,077,000,000  
(337,000,000) 
1,352,000,000  
Income tax expense (benefit)
383,000,000  
313,000,000  
252,000,000  
(170,000,000) 
1,272,000,000  
324,000,000  
7,000,000  
306,000,000  
109,000,000  
(119,000,000) 
693,000,000  
271,000,000  
(199,000,000) 
(74,000,000) 
Loss before net income of subsidiaries
 
 
 
 
 
 
(142,000,000) 
 
 
 
 
 
 
 
 
 
 
 
(182,000,000) 
 
 
 
 
 
(138,000,000) 
 
 
 
Net income of subsidiaries
 
 
 
3,815,000,000  
 
 
 
 
 
2,655,000,000  
 
 
1,564,000,000  
 
Net income
988,000,000  
864,000,000  
925,000,000  
3,673,000,000  
3,673,000,000  
896,000,000  
304,000,000  
864,000,000  
499,000,000  
2,473,000,000  
2,473,000,000  
806,000,000  
1,426,000,000  
1,426,000,000  
Other-than-temporary impairment losses recognized in net realized investment gains
 
 
 
0  
(15,000,000) 
 
 
 
 
0  
(15,000,000) 
 
0  
(25,000,000) 
Other-than-temporary impairment gains (losses) recognized in other comprehensive income
 
 
 
0  
5,000,000  
 
 
 
 
0  
42,000,000  
 
0  
55,000,000  
1: Total other-than-temporary impairment (OTTI) gains (losses) were $(10) million, $27 million and $30 million for the years ended December 31, 2013, 2012 and 2011, respectively. Of total OTTI, credit losses of $(15) million, $(15) million and $(25) million for the years ended December 31, 2013, 2012 and 2011 respectively, were recognized in net realized investment gains. In addition, unrealized gains from other changes in total OTTI of $5 million, $42 million and $55 million for the years ended December 31, 2013, 2012 and 2011, respectively, were recognized in other comprehensive income (loss) as part of changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income.