CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
NET INCOME	$ 1,908	$ 1,911	$ 1,923
Effective portion of net unrealized gains (losses) (net of $45 tax expense, $55 tax benefit and $135 tax benefit, respectively)	84	(106)	(265)
Reclassification from accumulated other comprehensive income to net income (net of $38, $25 and $18 tax expense, respectively)	67	44	37
Net unrealized gains on securities still held (net of $84, $48 and $13 tax expense, respectively)	118	70	19
Reclassification from accumulated other comprehensive income to net income (net of $10, $52 and $34 tax benefit, respectively)	(17)	(77)	(49)
Defined benefit pension and other benefits plans (net of $61 tax expense, $19 tax benefit and $32 tax benefit, respectively)	97	(28)	(45)
Net unrealized gains (losses) on foreign currency translation (net of $22 tax benefit, $3 tax expense and $3 tax benefit, respectively)	(45)	7	(5)
Other comprehensive income (loss) related to equity method investee (net of $5 tax expense, $7 tax benefit and $8 tax benefit, respectively)	7	(11)	(12)
Total other comprehensive income (loss), net of tax	311	(101)	(320)
COMPREHENSIVE INCOME	2,219	1,810	1,603
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Total other comprehensive income (loss), net of tax	$ 151