Offsetting Assets and Liabilities Gross and net information for selecting financial instruments (Tables)

12 Months Ended

Dec. 31, 2018

Fair Value, by Balance Sheet Grouping [Table Text Block]

	December 31, 2018					December 31, 2017
(In millions)	Carrying value		Estimated fair value		Level	Carrying value		Estimated fair value		Level
Financial assets:
Held-to-maturity investment securities	$	774	$	767	2	$	770	$	762	2
Loans and leases (including loans held for sale), net of allowance	46,312		45,251		3	44,306		44,226		3
Financial liabilities:
Time deposits	4,336		4,319		2	3,115		3,099		2
Long-term debt	724		727		2	383		402		2

	December 31, 2018
(In millions)							Gross amounts not offset in the balance sheet
Description	Gross amounts recognized		Gross amounts offset in the balance sheet		Net amounts presented in the balance sheet		Financial instruments			Cash collateral received/pledged			Net amount
Assets:
Federal funds sold and security resell agreements	$	1,461	$	—	$	1,461	$	—		$	—		$	1,461
Derivatives (included in other assets)	45		—		45		(35		)	(3		)	7
Total assets	$	1,506	$	—	$	1,506	$	(35	)	$	(3	)	$	1,468
Liabilities:
Federal funds and other short-term borrowings	$	5,653	$	—	$	5,653	$	—		$	—		$	5,653
Derivatives (included in other liabilities)	39		—		39		(35		)	(1		)	3
Total liabilities	$	5,692	$	—	$	5,692	$	(35	)	$	(1	)	$	5,656

	December 31, 2017
(In millions)								Gross amounts not offset in the balance sheet
Description	Gross amounts recognized		Gross amounts offset in the balance sheet			Net amounts presented in the balance sheet		Financial instruments			Cash collateral received/pledged			Net amount
Assets:
Federal funds sold and security resell agreements	$	809	$	(295	)	$	514	$	—		$	—		$	514
Derivatives (included in other assets)	38		—			38		(9		)	(1		)	28
Total assets	$	847	$	(295	)	$	552	$	(9	)	$	(1	)	$	542
Liabilities:
Federal funds and other short-term borrowings	$	5,271	$	(295	)	$	4,976	$	—		$	—		$	4,976
Derivatives (included in other liabilities)	40		—			40		(9		)	(6		)	25
Total liabilities	$	5,311	$	(295	)	$	5,016	$	(9	)	$	(6	)	$	5,001