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Reinsurance (Narrative Details) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
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Reinsurance [Line Items] |  |
Statutory Financial Reinsurance | $ 6,300,000,000 | $ 4,300,000,000
Statutory Reserves Related To Financial Requirements | 1,522,100,000 | 1,277,200,000
Assets held in trust and held in custody | 909,200,000 | 896,100,000
Benefit Of RGA Subsidiaries [Member] |  |
Reinsurance [Line Items] |  |
Assets held in trust and held in custody | 2,140,700,000 | 1,534,000,000
Benefit Of Third Parties [Member] |  |
Reinsurance [Line Items] |  |
Assets held in trust and held in custody | $ 7,549,000,000 | $ 2,144,600,000

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- Details
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- Definition Statutory financial reinsurance, as measured by pre-tax statutory surplus, risked based capital and other financial reinsurance structures, provided to other insurance companies under financial reinsurance transactions to assist ceding companies in meeting applicable regulatory requirements. + References No definition available. + Details
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- Definition The amount of statutory reserves related to reinsurance treaties that provide the ceding company the right to request the reinsurer to place assets in trust for their benefit to support their reserve credits, in the event of a downgrade of the reinsurer's ratings to specified levels, generally non-investment grade levels, or if minimum levels of financial condition are not maintained. + References No definition available. + Details
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- Definition The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 17 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 61 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(b)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 + Details
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