CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Unaudited - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement Of Income And Comprehensive Income
Net income (loss)	$ 549	$ 436	$ 1,778	$ 1,737
Other Comprehensive Income (Loss), Net of Tax
Unrealized holding gains (losses) on available-for-sale debt securities arising during period	379	(207)	1,387	(834)
Reclassification adjustment for net (gains) losses included in net income	(2)	0	(2)	7
Unrealized holding gains (losses) on cash flow hedge derivatives arising during period	83	(19)	361	(24)
Reclassification adjustment for net gains on cash flow hedge derivatives included in net income	(4)	2	(2)	2
Net actuarial gain (loss) arising during the year	0	(2)	0	(2)
Reclassification of amounts to net periodic benefit costs	1	3	3	5
Other comprehensive income (loss)	457	(223)	1,747	(846)
Comprehensive income	1,006	213	3,525	891
Comprehensive income attributable to noncontrolling interests	0	0	0	0
Comprehensive income attributable to Bancorp	$ 1,006	$ 213	$ 3,525	$ 891