XML 158 R95.htm IDEA: XBRL DOCUMENT v2.4.1.9

Fair Value of Assets and Liabilities (Narrative) (Details)	Dec. 31, 2014	Dec. 31, 2013
Fair Value Disclosures [Abstract]
Percentage Of Fixed Maturity Securities Classified As Level 3	8.80%rga_PercentageOfFixedMaturitySecuritiesClassifiedAsLevel3	10.20%rga_PercentageOfFixedMaturitySecuritiesClassifiedAsLevel3

X

- Definition

Percentage of fixed maturity securities classified as Level 3

+ References

No definition available.

+ Details

Name:	rga_PercentageOfFixedMaturitySecuritiesClassifiedAsLevel3
Namespace Prefix:	rga_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration