Consolidated Statements of Operations and Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues
Premiums	$ 114	$ 406	$ 265	$ 786
Universal life and investment-type product policy fees	556	575	1,120	1,119
Net investment income	724	656	1,454	1,548
Other revenues	138	125	295	248
Net investment gains (losses):
Other-than-temporary impairments on fixed maturity securities	(3)	(18)	(5)	(31)
Other-than-temporary impairments on fixed maturity securities transferred to other comprehensive income (loss)	1	4	(6)	2
Other net investment gains (losses)	18	85	93	104
Total net investment gains (losses)	16	71	82	75
Net derivative gains (losses)	(495)	582	(382)	143
Total revenues	1,053	2,415	2,834	3,919
Expenses
Policyholder benefits and claims	359	636	773	1,225
Interest credited to policyholder account balances	259	167	523	606
Other expenses	368	887	776	1,344
Total expenses	986	1,690	2,072	3,175
Income (loss) before provision for income tax	67	725	762	744
Provision for income tax expense (benefit)	6	227	236	227
Net income (loss)	61	498	526	517
Comprehensive income (loss)	$ (653)	$ 1,000	$ (602)	$ 872