Income Tax (Reconciliation of Income Tax Provision between US Statutory Rate and As Reported for Continuing Operations) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income tax expense benefit continuing operations income tax reconciliation
Tax provision at U.S. statutory rate	$ 1,418	$ 505	$ 3,215
Tax effect of:
Dividend received deduction	(166)	(162)	(160)
Tax-exempt income	(96)	(94)	(86)
Prior year tax	75	23	(4)
Low income housing tax credits	(194)	(150)	(102)
Other Tax credits	(54)	(28)	(36)
Foreign tax rate differential	(340)	(45)	(41)
Goodwill impairment	0	408	0
Deferred tax effects of branch conversions	4	(324)	0
Change in valuation allowance	30	15	16
Other, net	(16)	(20)	(9)
Provision for income tax expense (benefit)	$ 661	$ 128	$ 2,793