Separate Accounts, Death Benefits and Other Insurance Benefit Features (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
U.S. [Member]
Changes in the gross U.S. GMDB, International GMDB/GMIB, and UL secondary guarantee benefits
Liabilities for Guarantees on Long-Duration Contracts, Reinsurance Recoverable		$ 0
Reinsurance Recoverable Asset Impact of Reinsurance Transaction		0
Guaranteed Minimum Death Benefit [Member] | U.S. [Member]
Changes in the gross U.S. GMDB, International GMDB/GMIB, and UL secondary guarantee benefits
Liability, balance as of January 1	849	918
Incurred	46	46
Paid	(30)	(40)
Unlock		(52)
Currency translation adjustment
Liability balance as of September 30	854	872
Reinsurance recoverable asset, as of January 1	533	608
Incurred	26	27
Paid	(22)	(28)
Unlock	5	28
Currency translation adjustment
Reinsurance recoverable asset, as of September 30	532	579
GMDB/GMIB [Member] | U.S. [Member]
Changes in the gross U.S. GMDB, International GMDB/GMIB, and UL secondary guarantee benefits
Unlock	(11)
GMDB/GMIB [Member] | International [Member]
Changes in the gross U.S. GMDB, International GMDB/GMIB, and UL secondary guarantee benefits
Liability, balance as of January 1	272	661
Incurred	15	30
Paid	(8)	(32)
Unlock	3	(113)
Currency translation adjustment	6	(54)
Liability balance as of September 30	288	492
Reinsurance recoverable asset, as of January 1	23	36
Incurred	2	3
Paid	(2)	(6)
Unlock	(6)	10
Currency translation adjustment		(3)
Reinsurance recoverable asset, as of September 30	29	20
International [Member]
Changes in the gross U.S. GMDB, International GMDB/GMIB, and UL secondary guarantee benefits
Liabilities for Guarantees on Long-Duration Contracts, Reinsurance Recoverable		0
Reinsurance Recoverable Asset Impact of Reinsurance Transaction		0
Universal Life [Member]
Changes in the gross U.S. GMDB, International GMDB/GMIB, and UL secondary guarantee benefits
Liabilities for Guarantees on Long-Duration Contracts, Reinsurance Recoverable		1,145
Reinsurance Recoverable Asset Impact of Reinsurance Transaction		1,485
Universal Life [Member] | UL Secondary Guarantees [Member]
Changes in the gross U.S. GMDB, International GMDB/GMIB, and UL secondary guarantee benefits
Liability, balance as of January 1	1,802	363
Incurred	56	66
Paid
Unlock
Currency translation adjustment
Liability balance as of September 30	1,858	1,574
Reinsurance recoverable asset, as of January 1	1,802	21
Incurred	56	68
Paid
Unlock
Currency translation adjustment
Reinsurance recoverable asset, as of September 30	$ 1,858	$ 1,574