Other Expenses (Other Expenses) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Other Income and Expenses [Abstract]
Compensation	$ 1,210	$ 1,227	$ 2,415	$ 2,518
Pension, postretirement and postemployment benefit costs	117	122	237	245
Commissions	1,302	1,387	2,590	2,775
Volume-related costs	211	196	412	379
Capitalization of DAC	(1,032)	(1,212)	(2,078)	(2,468)
Amortization of DAC and VOBA	1,062	958	2,120	1,782
Amortization of negative VOBA	(111)	(138)	(226)	(284)
Interest expense on debt	312	321	624	642
Premium taxes, licenses and fees	195	166	420	325
Professional services	366	324	687	627
Rent and related expenses, net of sublease income	93	101	178	194
Other	497	573	1,006	1,428
Total other expenses	$ 4,222	$ 4,025	$ 8,385	$ 8,163