CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Unaudited - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement Of Income And Comprehensive Income
Net income (loss)	$ 327	$ 361
Other Comprehensive Income (Loss), Net of Tax
Unrealized holding gains (losses) on available-for-sale securities arising during period	452	141
Reclassification adjustment for net (gains) losses included in net income	(5)	(8)
Unrealized holding gains (losses) on cash flow hedge derivatives arising during period	48	34
Reclassification adjustment for net gains on cash flow hedge derivatives included in net income	(9)	(10)
Reclassification of amounts to net periodic benefit costs	1	2
Other comprehensive income (loss), Net of Tax	487	159
Comprehensive income	814	520
Comprehensive income attributable to Bancorp	$ 814	$ 520