Segment Information (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment Information (Additional Textual) [Abstract]
Number of company reporting segments	6
Personal Lines [Member]
Segment Information (Textual) [Abstract]
AARP earned premiums	$ 736	$ 697