Acquisitions and Sale of Businesses (Details 2) - Run-off long-term care insurance business [Member] - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Life, accident and health net earned premiums:
Long-term care	$ 20	$ 19	$ 37	$ 38
Life operations	2	2	5	5
Net investment income	19	18	37	39
Realized gains (losses) on securities and other income	0	1	(2)	2
Total revenues	41	40	77	84
Annuity benefits	2	2	4	4
Life, accident and health benefits:
Long-term care	25	28	46	57
Life operations	2	3	5	6
Annuity and supplemental insurance acquisition expenses	3	4	6	7
Other expenses	5	3	9	7
Total costs and expenses	37	40	70	81
Earnings before income taxes	$ 4	$ 0	$ 7	$ 3