Segment Information (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2014 Segment	Sep. 30, 2013 Divested Business [Member] Corporate Benefit Funding [Member]	Sep. 30, 2013 Divested Business [Member] Corporate Benefit Funding [Member]	Sep. 30, 2013 Divested Business [Member] Corporate & Other [Member]	Sep. 30, 2013 Divested Business [Member] Corporate & Other [Member]
Segment Reporting [Abstract]
Number of segments	6
Segment Reporting Information [Line Items]
Prior Period Reclassification Adjustment		$ 2	$ 11	$ 3	$ 10
Prior Period Adjustment To Operating Earnings Tax Expense		$ 0	$ 5	$ 2	$ 6