Other Expenses (Other Expenses) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Other Income and Expenses [Abstract]
Compensation	$ 1,221	$ 1,310	$ 3,636	$ 3,828
Pension, postretirement and postemployment benefit costs	131	122	368	367
Commissions	1,294	1,309	3,884	4,084
Volume-related costs	227	239	639	618
Capitalization of DAC	(1,071)	(1,153)	(3,149)	(3,621)
Amortization of DAC and VOBA	1,054	841	3,174	2,623
Amortization of negative VOBA	(107)	(126)	(333)	(410)
Interest expense on debt	295	317	919	959
Premium taxes, licenses and fees	192	173	612	498
Professional services	348	349	1,035	976
Rent and related expenses, net of sublease income	95	89	273	283
Other	539	507	1,545	1,935
Total other expenses	$ 4,218	$ 3,977	$ 12,603	$ 12,140