Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 9,179	$ 8,712
Other comprehensive income/(loss), after–tax
Unrealized gains/(losses) on investment securities	1,414	(1,234)
Translation adjustments, net of hedges	(24)	27
Fair value hedges	2	(40)
Cash flow hedges	138	(73)
Defined benefit pension and OPEB plans	36	21
DVA on fair value option elected liabilities	(617)	267
Total other comprehensive income/(loss), after–tax	949	(1,032)
Comprehensive income	$ 10,128	$ 7,680

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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