FAIR VALUE MEASUREMENTS (Details - Gains or losses recorded related to the eligible instruments) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2012	Sep. 30, 2010
Fair Value, Option, Quantitative Disclosures
Fair value option credit risk gains (losses)	$ 6	$ 11	$ 0	$ (22)
Fair Value Option
Fair Value, Option, Quantitative Disclosures
Fair Value Options Changes in Fair Value Gain (loss)	209	745
Fair Value Option | Other long-term debt
Fair Value, Option, Quantitative Disclosures
Fair value option credit risk gains (losses)	(76)	(74)
Fair Value Option | Other liabilities
Fair Value, Option, Quantitative Disclosures
Fair Value Options Changes in Fair Value Gain (loss)	(3)	(4)
Fair Value Option | Mortgage and other loans receivable, net of allowance
Fair Value, Option, Quantitative Disclosures
Fair Value Options Changes in Fair Value Gain (loss)	0	0
Fair Value Option | Bond and equity securities
Fair Value, Option, Quantitative Disclosures
Fair Value Options Changes in Fair Value Gain (loss)	141	666
Fair Value Option | Alternative investments
Fair Value, Option, Quantitative Disclosures
Fair Value Options Changes in Fair Value Gain (loss)	145	154
Fair Value Option | Other, Including Short term investments
Fair Value, Option, Quantitative Disclosures
Fair Value Options Changes in Fair Value Gain (loss)	$ 2	$ 3