Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Investments:
Fixed maturity securities available-for-sale, at estimated fair value (amortized cost: $48,233 and $46,423, respectively)	$ 53,065	$ 50,697
Equity securities available-for-sale, at estimated fair value (cost: $422 and $400, respectively)	480	459
Mortgage loans (net of valuation allowances of $26 and $25, respectively; includes $272 and $280, respectively, at estimated fair value, relating to variable interest entities)	6,120	5,839
Policy loans	1,190	1,194
Real estate and real estate joint ventures (includes $46 and $93 respectively, of real estate held-for-sale)	819	894
Other limited partnership interests	2,244	2,234
Short-term investments, principally at estimated fair value	3,321	1,232
Other invested assets, principally at estimated fair value	5,209	4,531
Total investments	72,448	67,080
Cash and cash equivalents, principally at estimated fair value	827	1,206
Accrued investment income (includes $1 and $2, respectively, relating to variable interest entities)	526	501
Premiums, reinsurance and other receivables	21,978	21,559
Deferred policy acquisition costs and value of business acquired	4,811	4,890
Current income tax recoverable	498	537
Goodwill	381	381
Other assets	839	848
Separate account assets	110,014	108,861
Total assets	212,322	205,863
Liabilities
Future policy benefits	29,073	28,479
Policyholder account balances	35,506	35,486
Other policy-related balances	3,426	3,320
Payables for collateral under securities loaned and other transactions	9,394	7,501
Long-term debt (includes $132 and $139, respectively, at estimated fair value, relating to variable interest entities)	921	928
Deferred income tax liability	1,575	1,338
Other liabilities (includes $1 and $1, respectively, relating to variable interest entities)	9,828	7,944
Separate account liabilities	110,014	108,861
Total liabilities	199,737	193,857
Contingencies, Commitments and Guarantees (Note 9)
Stockholders' Equity
Common stock, par value $25,000 per share; 4,000 shares authorized; 3,000 shares issued and outstanding, respectively	75	75
Additional paid-in capital	10,856	10,855
Retained earnings (deficit)	(1,066)	(1,350)
Accumulated other comprehensive income (loss)	2,720	2,426
Total stockholder’s equity	12,585	12,006
Total liabilities and stockholder’s equity	$ 212,322	$ 205,863