CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2018		Dec. 31, 2017	Sep. 30, 2017		Dec. 31, 2016
Statement of Cash Flows [Abstract]
Cash and due from banks	$ 1,336		$ 1,115	$ 986
Restricted cash included in interest bearing deposits with banks	2,085		2,929	3,033
Total cash, due from banks and restricted cash	$ 3,421	[1]	$ 4,044	$ 4,019	[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 September 30, 2018, total cash due from banks and restricted cash of $3,421 million included cash and due from banks of $1,336 million and restricted cash included in interest bearing deposits with banks of $2,085 million. At September 30, 2017, total cash due from banks and restricted cash of $4,019 million included cash and due from banks of $986 million and restricted cash included in interest bearing deposits with banks of $3,033 million.