CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Unaudited - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement Of Income And Comprehensive Income
Net income (loss)	$ 516	$ 381	$ 1,171	$ 1,050
Other Comprehensive Income (Loss), Net of Tax
Unrealized holding gains (losses) on available-for-sale securities arising during period	(113)	208	538	64
Reclassification adjustment for net (gains) losses included in net income	(1)	(7)	(11)	(11)
Unrealized holding gains (losses) on cash flow hedge derivatives arising during period	(15)	42	49	71
Reclassification adjustment for net gains on cash flow hedge derivatives included in net income	(7)	(13)	(23)	(36)
Net actuarial gain (loss) arising during the year	(3)	(1)	(3)	(3)
Reclassification of amounts to net periodic benefit costs	5	2	8	8
Other comprehensive income (loss), Net of Tax	(134)	231	558	93
Comprehensive income	382	612	1,729	1,143
Comprehensive income attributable to noncontrolling interests	0	0	(4)	(6)
Comprehensive income attributable to Bancorp	$ 382	$ 612	$ 1,733	$ 1,149