Segment Information (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2014 Segment	Jun. 30, 2013 Divested Business [Member] Corporate Benefit Funding [Member]	Jun. 30, 2013 Divested Business [Member] Corporate Benefit Funding [Member]	Jun. 30, 2013 Divested Business [Member] Corporate & Other [Member]	Jun. 30, 2013 Divested Business [Member] Corporate & Other [Member]
Segment Reporting [Abstract]
Number of segments	6
Segment Reporting Information [Line Items]
Prior Period Reclassification Adjustment		$ 4	$ 9	$ 4	$ 7
Prior Period Adjustment To Operating Earnings Tax Expense		$ 2	$ 5	$ 2	$ 4