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Reinsurance - Effective Exit of GMDB and GMIB Business (Details) (Berkshire Hathway Life Insurance Company Of Nebraska [Member], Variable Annuity [Member], USD $)
In Billions, unless otherwise specified |
Dec. 31, 2013
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|---|---|
| Ceded Credit Risk [Line Items] | |
| Percent of future claim payments reinsured | 100.00% |
|
Maximum [Member] | Guaranteed Minimum Death Benefit [Member]
|
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| Ceded Credit Risk [Line Items] | |
| Ceded Reinsurance Agreement, Coverage Limit, Amount Remaining | 3.7 |