Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions		Jun. 30, 2018	Jun. 30, 2017	[2]
Reconciliation of cash, cash equivalents and amounts reported within the balance sheet
Cash and cash equivalents	[1]	$ 13,250	$ 9,575
Restricted cash and cash equivalents amounts included in cash and investments segregated and on deposit for regulatory purposes	[1]	5,668	5,678
Total cash and cash equivalents, including amounts restricted shown in the statement of cash flows	[1]	$ 18,918	$ 15,253

[1] Reconciliation of cash, cash equivalents and amounts reported within the balance sheet

[2] Adjusted for the retrospective adoption of ASU 2016-18. See Note 2.