Variable Interest Entities ("VIE's") (Narrative) (Details) (USD $) In Millions, unless otherwise specified			0 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Senior Note Issued December 2010 [Member]	Dec. 31, 2010 Senior Note Issued December 2010 [Member]	Dec. 31, 2010 Senior Note Issued December 2010 [Member]	Sep. 30, 2014 Senior Note Issued September 2014 [Member]
Long-Term Senior Note Issued In Exchange For Corporate Bond Afs Security					$ 500	$ 697
Long-Term Senior Note Issuance Date				Dec. 31, 2010
Long-Term Senior Note Maturity Date			Sep. 30, 2014
Long-Term Senior Note Variable Principal Maximum Balance						1,100
Maximum exposure to loss related to unconsolidated VIE's	$ 70	$ 77