Comprehensive Income (Schedule Of Details Supporting Comprehensive Income) (Details) (USD $) In Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Comprehensive Income
Net income	$ 444,760	$ 393,221	$ 1,220,223	$ 992,065
Net unrealized investment gains and other, net of tax	92,174	103,328	163,859	224,675
Reclassification adjustment for net realized losses/gains included in net earnings, net of tax benefit	(1,360)	(2,731)	(4,599)	(7,785)
Comprehensive income, net of tax	$ 535,574	$ 493,818	$ 1,379,483	$ 1,208,955

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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+ Details

- Definition

Reclassification adjustment for unrealized gains or losses realized upon the sale of securities, after tax.

+ References

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+ Details