Bank Deposits (Deposits from Banking Clients Consisting of Interest Bearing and Noninterest Bearing Deposits) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Interest-bearing deposits:
Deposits swept from brokerage accounts	$ 141,146	$ 108,137
Checking	13,842	12,822
Savings and other	7,792	7,896
Total interest-bearing deposits	162,780	128,855
Non-interest-bearing deposits	674	647
Total bank deposits	$ 163,454	$ 129,502	[1]

[1] Adjusted for the retrospective adoption of ASU 2015-03. See New Accounting Standards in Note 2 for additional information.