SHAREHOLDERS' EQUITY - Changes in Accumulated Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning of period	$ 2,715
Other comprehensive income loss before reclassifications net of tax	(3,247)
Amounts reclassified from accumulated other comprehensive income net of tax	(31)
Other comprehensive income (loss), net of income taxes	(3,278)	750	1,212
Balance, end of period	(563)	2,715
Unrealized Foreign Currency Translation Gains (Losses)
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning of period	333
Other comprehensive income loss before reclassifications net of tax	(1,833)
Amounts reclassified from accumulated other comprehensive income net of tax	(5)
Other comprehensive income (loss), net of income taxes	(1,838)
Balance, end of period	(1,505)
Unrealized Gains (Losses) on Investment Securities
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning of period	2,570
Other comprehensive income loss before reclassifications net of tax	(1,499)
Amounts reclassified from accumulated other comprehensive income net of tax	(36)
Other comprehensive income (loss), net of income taxes	(1,535)
Balance, end of period	1,035
Unrealized Gains (Losses) on Derivatives
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning of period	(5)
Other comprehensive income loss before reclassifications net of tax	(7)
Amounts reclassified from accumulated other comprehensive income net of tax	0
Other comprehensive income (loss), net of income taxes	(7)
Balance, end of period	(12)
Pension Liability Adjustment
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning of period	(183)
Other comprehensive income loss before reclassifications net of tax	92
Amounts reclassified from accumulated other comprehensive income net of tax	10
Other comprehensive income (loss), net of income taxes	102
Balance, end of period	$ (81)