CONDENSED CONSOLIDATED BALANCE SHEET (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Fixed maturity securities:
Bonds available for sale, at fair value (amortized cost: 2013 - $247,592; 2012 - $246,149)	$ 270,251	$ 269,959
Bond trading securities, at fair value	23,855	24,584
Equity securities:
Common and preferred stock available for sale, at fair value (cost: 2013 - $1,529; 2012 - $1,640)	3,108	3,212
Common and preferred stock trading, at fair value	696	662
Mortgage and other loans receivable, net of allowance (portion measured at fair value: 2013 - $58; 2012 - $134)	19,488	19,482
Other invested assets (portion measured at fair value: 2013 - $7,317; 2012 - $7,056)	28,965	29,117
Short-term investments (portion measured at fair value: 2013 - $6,412; 2012 - $8,056)	23,336	28,808
Total investments	369,699	375,824
Cash	1,227	1,151
Accrued investment income	3,093	3,054
Premiums and other receivables, net of allowance	15,310	13,989
Reinsurance assets, net of allowance	27,604	25,595
Deferred income taxes	17,741	17,466
Deferred policy acquisition costs	7,972	8,182
Derivative assets, at fair value	3,290	3,671
Other assets, including restricted cash of $1,886 in 2013 and $1,878 in 2012 (portion measured at fair value: 2013 - $694; 2012 - $696)	10,069	10,399
Separate account assets, at fair value	61,059	57,337
Assets held for sale	31,816	31,965
Total assets	548,880	548,633
Liabilities:
Liability for unpaid claims and claims adjustment expense	85,774	87,991
Unearned premiums	24,200	22,537
Future policy benefits for life and accident and health insurance contracts	40,443	40,523
Policyholder contract deposits (portion measured at fair value: 2013 - $1,047; 2012 - $1,257)	121,856	122,980
Other policyholder funds	5,728	6,267
Derivative liabilities, at fair value	3,711	4,061
Other liabilities (portion measured at fair value: 2013 - $924; 2012 - $1,080)	33,108	32,068
Long-term debt (portion measured at fair value: 2013 - $7,663; 2012 - $8,055)	45,266	48,500
Separate account liabilities	61,059	57,337
Liabilities held for sale	27,164	27,366
Total liabilities	448,309	449,630
Contingencies, commitments and guarantees (see Note 10)
Redeemable noncontrolling interests (see Note 12)	388	334
AIG shareholders' equity:
Common stock, $2.50 par value; 5,000,000,000 shares authorized; shares issued: 2013 - 1,906,612,296 and 2012 - 1,906,611,680	4,766	4,766
Treasury stock, at cost; 2013 - 430,267,133; 2012 - 430,289,745 shares of common stock	(13,923)	(13,924)
Additional paid-in capital	80,456	80,410
Retained earnings	16,382	14,176
Accumulated other comprehensive income (loss)	11,839	12,574
Total AIG shareholders' equity	99,520	98,002
Non-redeemable noncontrolling interests (including $100 associated with businesses held for sale)	663	667
Total equity	100,183	98,669
Total liabilities and equity	$ 548,880	$ 548,633