CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2018		Dec. 31, 2017	Mar. 31, 2017		Dec. 31, 2016
Statement of Cash Flows [Abstract]
Cash and due from banks	$ 1,053		$ 1,115	$ 1,037
Restricted cash included in interest bearing deposits with banks	2,699		2,929	3,113
Total cash, due from banks and restricted cash	$ 3,752	[1]	$ 4,044	$ 4,150	[1]	$ 4,374

[1] The following table provides a reconciliation of the total amount of cash, cash equivalents and restricted cash disaggregated by the line items in which they appear within the consolidated balance sheet: At March 31, 2018, total cash due from banks and restricted cash of $3,752 million included cash and due from banks of $1,053 million and restricted cash included in interest bearing deposits with banks of $2,699 million. At March 31, 2017, total cash due from banks and restricted cash of $4,150 million included cash and due from banks of $1,037 million and restricted cash included in interest bearing deposits with banks of $3,113 million.