FAIR VALUE MEASUREMENTS (Details - Assets measured at fair value on a non-recurring basis at the time of impairment and the related impairment charges recorded during the periods presented) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Impairment Charges	$ 342	$ 1,114	$ 471
Other investments
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Impairment Charges	134	112	151
Investments in life settlements
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Impairment Charges	201	971	309
Other assets
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Impairment Charges	7	31	11
Fair value on a non-recurring basis | Level 1
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	0	0
Fair value on a non-recurring basis | Level 1 | Other investments
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	0	0
Fair value on a non-recurring basis | Level 1 | Investments in life settlements
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	0	0
Fair value on a non-recurring basis | Level 1 | Other assets
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	0	0
Fair value on a non-recurring basis | Level 2
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	0	11
Fair value on a non-recurring basis | Level 2 | Other investments
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	0	0
Fair value on a non-recurring basis | Level 2 | Investments in life settlements
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	0	0
Fair value on a non-recurring basis | Level 2 | Other assets
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	0	11
Fair value on a non-recurring basis | Level 3
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	1,328	2,559
Fair value on a non-recurring basis | Level 3 | Other investments
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	790	1,615
Fair value on a non-recurring basis | Level 3 | Investments in life settlements
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	537	896
Fair value on a non-recurring basis | Level 3 | Other assets
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	1	48
Fair value on a non-recurring basis | Total Fair Value
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	1,328	2,570
Fair value on a non-recurring basis | Total Fair Value | Other investments
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	790	1,615
Fair value on a non-recurring basis | Total Fair Value | Investments in life settlements
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	537	896
Fair value on a non-recurring basis | Total Fair Value | Other assets
Fair Value Assets Measured on Nonrecurring Basis [Line Items]
Assets at Fair Value, Non-Recurring Basis	$ 1	$ 59