Goodwill Goodwill (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Goodwill [Line Items]
Goodwill, Impairment Loss, Net of Tax	$ 57		$ 57,000
Goodwill	493		493		559
Impairments	66	394	66	394
Retail [Member]
Goodwill [Line Items]
Goodwill	0		0		23
Goodwill impairment testing attributed to reportable segments					43
Impairments			23
Corporate Benefit Funding [Member]
Goodwill [Line Items]
Goodwill	307		307		307
Goodwill impairment testing attributed to reportable segments					186
Impairments			0
Corporate & Other [Member]
Goodwill [Line Items]
Goodwill	186		186		229
Impairments			43
Corporate And Other Allocated To Retail [Member]
Goodwill [Line Items]
Impairments	$ 43