Loans & Leases (Investment in Lease Financing) (Parenthetical) (Detail) - USD ($) $ in Millions	Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable
Accumulated allowance for uncollectible minimum lease payments	$ 1,253	[1]	$ 1,272	[1]	$ 1,322	$ 1,582
Leases
Accounts, Notes, Loans and Financing Receivable
Accumulated allowance for uncollectible minimum lease payments	$ 15		$ 47

[1] Includes $ 85 and $ 152 of cash and due from banks, $ 1,216 and $ 2,537 of portfolio loans and leases, $ (26) and $ (28) of ALLL, $ 9 and $ 14 of other assets, $ 3 and $ 3 of other liabilities and $ 1,094 and $ 2,487 of long-term debt from consolidated VIEs that are included in their respective captions above at December 31, 2016 and 2015 , respectively. For further information, refer to Note 11.